/* ==========================================================================
   BeautyCloud SaaS — Dashboard Design System
   Stripe/Linear inspired · Mobile-first · Dark mode
   Breakpoints: 320, 375, 768, 1024, 1440, 1920
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties — Light Theme (default)
   -------------------------------------------------------------------------- */
:root {
  /* Brand — indigo/purple gradient */
  --color-brand-50: #eef2ff;
  --color-brand-100: #e0e7ff;
  --color-brand-200: #c7d2fe;
  --color-brand-300: #a5b4fc;
  --color-brand-400: #818cf8;
  --color-brand-500: #6366f1;
  --color-brand-600: #4f46e5;
  --color-brand-700: #4338ca;
  --color-brand-800: #3730a3;
  --color-brand-900: #312e81;

  --color-purple-400: #c084fc;
  --color-purple-500: #a855f7;
  --color-purple-600: #9333ea;

  --gradient-brand: linear-gradient(135deg, var(--color-brand-500) 0%, var(--color-purple-500) 100%);
  --gradient-brand-hover: linear-gradient(135deg, var(--color-brand-600) 0%, var(--color-purple-600) 100%);
  --gradient-subtle: linear-gradient(135deg, var(--color-brand-50) 0%, #f5f3ff 100%);

  /* Semantic colors */
  --color-success: #10b981;
  --color-success-bg: #ecfdf5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fffbeb;
  --color-danger: #ef4444;
  --color-danger-bg: #fef2f2;
  --color-info: #3b82f6;
  --color-info-bg: #eff6ff;

  /* Surfaces */
  --color-bg: #fafafa;
  --color-bg-elevated: #ffffff;
  --color-bg-muted: #f4f4f5;
  --color-bg-subtle: #fafafa;
  --color-bg-overlay: rgba(15, 23, 42, 0.5);

  /* Text */
  --color-text: #18181b;
  --color-text-secondary: #52525b;
  --color-text-muted: #a1a1aa;
  --color-text-inverse: #ffffff;
  --color-text-brand: var(--color-brand-600);

  /* Borders */
  --color-border: #e4e4e7;
  --color-border-strong: #d4d4d8;
  --color-border-focus: var(--color-brand-500);

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-brand: 0 4px 14px rgba(99, 102, 241, 0.25);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Spacing scale (4px base) */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --navbar-height: 64px;
  --content-max-width: 1400px;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-sidebar: 300;
  --z-navbar: 400;
  --z-modal: 500;
  --z-toast: 600;
}

/* --------------------------------------------------------------------------
   Dark Theme
   -------------------------------------------------------------------------- */
[data-theme="dark"],
.dark {
  --color-brand-50: #1e1b4b;
  --color-brand-100: #312e81;

  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-warning-bg: rgba(245, 158, 11, 0.12);
  --color-danger-bg: rgba(239, 68, 68, 0.12);
  --color-info-bg: rgba(59, 130, 246, 0.12);

  --color-bg: #09090b;
  --color-bg-elevated: #18181b;
  --color-bg-muted: #27272a;
  --color-bg-subtle: #0f0f12;
  --color-bg-overlay: rgba(0, 0, 0, 0.7);

  --color-text: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-text-brand: var(--color-brand-400);

  --color-border: #27272a;
  --color-border-strong: #3f3f46;

  --gradient-subtle: linear-gradient(135deg, #18181b 0%, #1e1b4b 100%);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.45);
  --shadow-brand: 0 4px 14px rgba(99, 102, 241, 0.15);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #09090b;
    --color-bg-elevated: #18181b;
    --color-bg-muted: #27272a;
    --color-bg-subtle: #0f0f12;
    --color-bg-overlay: rgba(0, 0, 0, 0.7);
    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    --color-border: #27272a;
    --color-border-strong: #3f3f46;
    --gradient-subtle: linear-gradient(135deg, #18181b 0%, #1e1b4b 100%);
  }
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-text-brand);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-brand-700);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Typography Utilities
   -------------------------------------------------------------------------- */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-primary { color: var(--color-text); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-brand { color: var(--color-text-brand); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Headings */
h1, .h1 { font-size: var(--text-3xl); font-weight: var(--font-bold); line-height: var(--leading-tight); letter-spacing: -0.02em; }
h2, .h2 { font-size: var(--text-2xl); font-weight: var(--font-semibold); line-height: var(--leading-tight); letter-spacing: -0.01em; }
h3, .h3 { font-size: var(--text-xl); font-weight: var(--font-semibold); line-height: var(--leading-tight); }
h4, .h4 { font-size: var(--text-lg); font-weight: var(--font-medium); }
h5, .h5 { font-size: var(--text-base); font-weight: var(--font-medium); }
h6, .h6 { font-size: var(--text-sm); font-weight: var(--font-medium); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   Spacing Utilities
   -------------------------------------------------------------------------- */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: var(--space-0); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: var(--space-0); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { inset: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-icon {
  padding: var(--space-2);
  aspect-ratio: 1;
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover:not(:disabled) {
  background: var(--gradient-brand-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-muted);
  border-color: var(--color-border-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-inverse);
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-success {
  background: var(--color-success);
  color: var(--color-text-inverse);
}

.btn-link {
  background: transparent;
  color: var(--color-text-brand);
  padding: 0;
  border: none;
}

.btn-link:hover:not(:disabled) {
  text-decoration: underline;
}

.btn-group {
  display: inline-flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.btn-group .btn {
  border-radius: 0;
  border: none;
  border-right: 1px solid var(--color-border);
}

.btn-group .btn:last-child {
  border-right: none;
}

.btn-group .btn.is-active {
  background: var(--color-brand-50);
  color: var(--color-brand-700);
}

[data-theme="dark"] .btn-group .btn.is-active,
.dark .btn-group .btn.is-active {
  background: var(--color-brand-900);
  color: var(--color-brand-300);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.card-header-tools {
  justify-content: flex-end;
  padding: var(--space-3) var(--space-4);
}

.table-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
}

.table-tools-import {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.table-tools-file {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  margin: 0;
}

.table-tools-file input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.table-tools-check {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.card-hover {
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-gradient {
  background: var(--gradient-subtle);
  border-color: var(--color-brand-200);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label-required::after {
  content: ' *';
  color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-strong);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: var(--color-danger);
}

.form-input.is-error:focus,
.form-select.is-error:focus,
.form-textarea.is-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

.form-checkbox,
.form-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
}

.form-checkbox input,
.form-radio input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-brand-500);
  cursor: pointer;
}

.form-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.form-switch-track {
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.form-switch-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 1.25rem;
  height: 1.25rem;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.form-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.form-switch input:checked + .form-switch-track {
  background: var(--color-brand-500);
}

.form-switch input:checked + .form-switch-track::after {
  transform: translateX(1.25rem);
}

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-input {
  border-radius: 0;
}

.input-group .form-input:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-input:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.input-group-addon:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  border-right: none;
}

.input-group-addon:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border-left: none;
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--color-bg-muted);
}

.table-striped tbody tr:nth-child(even) {
  background: var(--color-bg-subtle);
}

.table-striped tbody tr:nth-child(even):hover {
  background: var(--color-bg-muted);
}

.table-compact th,
.table-compact td {
  padding: var(--space-2) var(--space-3);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.125rem var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1.5;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-default {
  background: var(--color-bg-muted);
  color: var(--color-text-secondary);
}

.badge-brand {
  background: var(--color-brand-100);
  color: var(--color-brand-700);
}

[data-theme="dark"] .badge-brand,
.dark .badge-brand {
  background: rgba(99, 102, 241, 0.2);
  color: var(--color-brand-300);
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
}

.badge-lg {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  backdrop-filter: blur(4px);
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  z-index: calc(var(--z-modal) + 1);
  width: calc(100% - var(--space-8));
  max-width: 480px;
  max-height: calc(100vh - var(--space-8));
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }
.modal-full { max-width: calc(100vw - var(--space-8)); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

/* --------------------------------------------------------------------------
   Entegrasyon rehberi
   -------------------------------------------------------------------------- */
.integration-guide-card .card-body {
  padding: var(--space-6);
}

.integration-guide-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.integration-guide-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: 700;
}

.integration-guide-lead {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 52rem;
}

.integration-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: guide-step;
}

.integration-steps > li {
  position: relative;
  padding-left: 2.25rem;
  margin-bottom: var(--space-4);
  counter-increment: guide-step;
}

.integration-steps > li::before {
  content: counter(guide-step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--color-brand-100);
  color: var(--color-brand-700);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.integration-steps > li strong {
  display: block;
  margin-bottom: 0.15rem;
}

.integration-steps > li p,
.integration-steps > li span {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.integration-steps-compact {
  margin-bottom: var(--space-5);
}

.integration-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.integration-quick-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-subtle);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.integration-quick-link:hover {
  border-color: var(--color-brand-300);
  background: var(--color-brand-50);
}

.integration-quick-icon {
  line-height: 1;
}

.integration-guide-modal-body {
  padding-top: var(--space-4);
}

.integration-guide-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.integration-guide-tab {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.integration-guide-tab:hover {
  color: var(--color-text);
  border-color: var(--color-brand-300);
}

.integration-guide-tab.is-active {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
}

.integration-guide-panel {
  display: none;
}

.integration-guide-panel.is-active {
  display: block;
}

.integration-guide-panel h3 {
  margin: 0 0 var(--space-4);
  font-size: var(--text-lg);
}

.integration-guide-panel h4 {
  margin: var(--space-5) 0 var(--space-3);
  font-size: var(--text-base);
}

.integration-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.integration-callout {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-brand-200);
  background: var(--color-brand-50);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.integration-code-block {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-3) 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
}

.integration-code-block code {
  flex: 1;
  word-break: break-all;
  font-size: var(--text-xs);
}

.integration-other-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

.integration-other-item {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
}

.integration-other-item h4 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
}

.integration-other-item p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

@media (max-width: 768px) {
  .integration-guide-header {
    flex-direction: column;
  }

  .integration-guide-header .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   Toasts
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
  width: calc(100% - var(--space-8));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  transform: translateX(120%);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.toast.is-visible {
  transform: translateX(0);
  opacity: 1;
}

.toast.is-hiding {
  transform: translateX(120%);
  opacity: 0;
}

.toast-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}

.toast-close:hover {
  color: var(--color-text);
  background: var(--color-bg-muted);
}

.toast-success { border-left: 3px solid var(--color-success); }
.toast-error { border-left: 3px solid var(--color-danger); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-info { border-left: 3px solid var(--color-info); }

/* --------------------------------------------------------------------------
   Dashboard Layout — Sidebar + Main
   -------------------------------------------------------------------------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: calc(var(--z-sidebar) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.sidebar-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-sidebar);
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-elevated);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.sidebar.is-open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: var(--navbar-height);
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  text-decoration: none;
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-logo-icon {
  width: 2rem;
  height: 2rem;
  background: var(--gradient-brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  flex-shrink: 0;
}

.brand-logo-img--sidebar {
  max-height: 2.75rem;
  max-width: 10rem;
  width: auto;
  height: auto;
  object-fit: contain;
}

@media (min-width: 1024px) {
  .brand-logo-img--sidebar {
    max-height: 3rem;
    max-width: 11rem;
  }
}

.brand-logo-img--auth {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

@media (min-width: 768px) {
  .brand-logo-img--auth {
    width: 3.5rem;
    height: 3.5rem;
  }
}

.brand-logo-img--booking {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
}

.sidebar-section {
  margin-bottom: var(--space-6);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  margin-bottom: var(--space-1);
}

.sidebar-link:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.sidebar-link.is-active {
  background: var(--color-brand-50);
  color: var(--color-brand-700);
}

[data-theme="dark"] .sidebar-link.is-active,
.dark .sidebar-link.is-active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-brand-300);
}

.sidebar-link-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.is-active .sidebar-link-icon {
  opacity: 1;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  margin-left: 0;
}

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: var(--navbar-height);
  padding: 0 var(--space-4);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.navbar-left,
.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.navbar-toggle:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.navbar-search {
  position: relative;
  display: none;
}

.navbar-search-input {
  width: 240px;
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-10);
  font-size: var(--text-sm);
  background: var(--color-bg-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.navbar-search-input:focus {
  outline: none;
  background: var(--color-bg-elevated);
  border-color: var(--color-border-focus);
}

.navbar-search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  width: 1rem;
  height: 1rem;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.navbar-user:hover {
  background: var(--color-bg-muted);
}

.navbar-notification-btn {
  position: relative;
  flex-shrink: 0;
}

.navbar-notification-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.125rem;
  height: 1.125rem;
  padding: 0 0.25rem;
  font-size: 0.625rem;
  font-weight: var(--font-bold);
  line-height: 1;
  color: #fff;
  background: var(--color-danger);
  border: 2px solid var(--color-bg-elevated);
  border-radius: var(--radius-full);
  pointer-events: none;
}

.navbar-notification-badge[hidden] {
  display: none !important;
}

.navbar-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-4) var(--space-4) 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.breadcrumb-item a {
  color: var(--color-text-muted);
}

.breadcrumb-item a:hover {
  color: var(--color-text-brand);
}

.breadcrumb-item.is-current {
  color: var(--color-text);
  font-weight: var(--font-medium);
}

.breadcrumb-separator {
  color: var(--color-text-muted);
  user-select: none;
}

/* --------------------------------------------------------------------------
   Page Content
   -------------------------------------------------------------------------- */
.page-content {
  flex: 1;
  padding: var(--space-4);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
}

.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
}

.page-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Stats Widgets
   -------------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.stat-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-card-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
}

.stat-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-50);
  color: var(--color-brand-600);
}

[data-theme="dark"] .stat-card-icon,
.dark .stat-card-icon {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-brand-400);
}

.stat-card-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-card-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.stat-card-change.is-up { color: var(--color-success); }
.stat-card-change.is-down { color: var(--color-danger); }

/* --------------------------------------------------------------------------
   Skeleton Loading
   -------------------------------------------------------------------------- */
@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.skeleton {
  background: var(--color-bg-muted);
  border-radius: var(--radius-md);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
  width: 70%;
  margin-bottom: 0;
}

.skeleton-title {
  height: 1.5rem;
  width: 40%;
  margin-bottom: var(--space-3);
}

.skeleton-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-xl);
}

.skeleton-row {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) 0;
}

.skeleton-table-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
}

.skeleton-table-row .skeleton {
  height: 1rem;
}

/* --------------------------------------------------------------------------
   Calendar — Randevu Takvimi
   -------------------------------------------------------------------------- */
.calendar {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.calendar-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.calendar-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.calendar-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.calendar-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.calendar-filter-select {
  min-width: 140px;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.calendar-view-toggle .btn.is-active {
  background: var(--color-brand-500);
  color: white;
}

/* Month view */
.calendar-month {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.calendar-month-header {
  display: contents;
}

.calendar-weekday {
  padding: var(--space-2);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

.calendar-day {
  min-height: 100px;
  padding: var(--space-2);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: background var(--transition-fast);
}

.calendar-day:nth-child(7n) {
  border-right: none;
}

.calendar-day.is-other-month {
  background: var(--color-bg-subtle);
  opacity: 0.6;
}

.calendar-day.is-today {
  background: var(--color-brand-50);
}

[data-theme="dark"] .calendar-day.is-today,
.dark .calendar-day.is-today {
  background: rgba(99, 102, 241, 0.1);
}

.calendar-day.is-drop-target {
  background: rgba(99, 102, 241, 0.15);
  outline: 2px dashed var(--color-brand-500);
  outline-offset: -2px;
}

.calendar-day-number {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.calendar-day.is-today .calendar-day-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--gradient-brand);
  color: white;
  border-radius: var(--radius-full);
}

/* Week / Day view */
.calendar-time-grid {
  display: flex;
  overflow: auto;
  max-height: 600px;
}

.calendar-time-labels {
  flex-shrink: 0;
  width: 60px;
  border-right: 1px solid var(--color-border);
}

.calendar-time-label {
  height: 60px;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  border-bottom: 1px solid var(--color-border);
}

.calendar-columns {
  display: flex;
  flex: 1;
  min-width: 0;
}

.calendar-column {
  flex: 1;
  min-width: 120px;
  border-right: 1px solid var(--color-border);
}

.calendar-column:last-child {
  border-right: none;
}

.calendar-column-header {
  padding: var(--space-2);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  position: sticky;
  top: 0;
  z-index: 1;
}

.calendar-column-header.is-today {
  color: var(--color-brand-600);
}

.calendar-slot {
  height: 60px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.calendar-slot.is-drop-target {
  background: rgba(99, 102, 241, 0.1);
}

.calendar-events-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.calendar-event {
  position: absolute;
  left: 2px;
  right: 2px;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: white;
  background: var(--gradient-brand);
  border-radius: var(--radius-sm);
  cursor: grab;
  pointer-events: auto;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), opacity var(--transition-fast);
  z-index: 2;
}

.calendar-event:hover {
  box-shadow: var(--shadow-md);
}

.calendar-event.is-dragging {
  opacity: 0.6;
  cursor: grabbing;
  z-index: 10;
}

.calendar-event-title {
  font-weight: var(--font-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-event-meta {
  opacity: 0.85;
  font-size: 0.65rem;
}

.calendar-event[data-service="hair"] { background: linear-gradient(135deg, #6366f1, #818cf8); }
.calendar-event[data-service="nail"] { background: linear-gradient(135deg, #a855f7, #c084fc); }
.calendar-event[data-service="skin"] { background: linear-gradient(135deg, #ec4899, #f472b6); }
.calendar-event[data-service="massage"] { background: linear-gradient(135deg, #10b981, #34d399); }

.calendar-event-pill {
  display: block;
  padding: 2px var(--space-2);
  margin-bottom: 2px;
  font-size: 0.65rem;
  font-weight: var(--font-medium);
  color: white;
  background: var(--color-brand-500);
  border-radius: var(--radius-sm);
  cursor: grab;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-event-pill.is-dragging {
  opacity: 0.5;
}

/* Empty state */
.calendar-empty {
  padding: var(--space-12);
  text-align: center;
  color: var(--color-text-muted);
}

.calendar-empty-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--space-4);
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   Dropdown
   -------------------------------------------------------------------------- */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-1));
  right: 0;
  min-width: 180px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-1);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.dropdown.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

/* --------------------------------------------------------------------------
   Avatar
   -------------------------------------------------------------------------- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: white;
  font-weight: var(--font-semibold);
  flex-shrink: 0;
}

.avatar-sm { width: 1.75rem; height: 1.75rem; font-size: var(--text-xs); }
.avatar-md { width: 2.5rem; height: 2.5rem; font-size: var(--text-sm); }
.avatar-lg { width: 3rem; height: 3rem; font-size: var(--text-base); }

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--color-bg-elevated);
  margin-left: -0.5rem;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* --------------------------------------------------------------------------
   Divider
   -------------------------------------------------------------------------- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

.divider-vertical {
  width: 1px;
  height: 1.5rem;
  background: var(--color-border);
  margin: 0 var(--space-2);
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */

/* 320px — Extra small phones */
@media (min-width: 320px) {
  .page-content {
    padding: var(--space-4);
  }
}

/* 375px — Standard phones */
@media (min-width: 375px) {
  .navbar {
    padding: 0 var(--space-4);
  }
}

/* 768px — Tablets */
@media (min-width: 768px) {
  .sidebar {
    transform: translateX(0);
    position: sticky;
    top: 0;
    flex-shrink: 0;
  }

  .sidebar-overlay {
    display: none;
  }

  .navbar-toggle {
    display: none;
  }

  .main-content {
    margin-left: 0;
  }

  .navbar-search {
    display: block;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-content {
    padding: var(--space-6);
  }

  .page-title {
    font-size: var(--text-3xl);
  }

  .calendar-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .calendar-day {
    min-height: 120px;
  }

  .hidden-md-up { display: none !important; }
}

/* 1024px — Small desktops */
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .navbar-search-input {
    width: 320px;
  }

  .page-header-row {
    align-items: center;
  }

  .calendar-day {
    min-height: 140px;
  }

  .hidden-lg-up { display: none !important; }
}

/* 1440px — Large desktops */
@media (min-width: 1440px) {
  :root {
    --sidebar-width: 280px;
    --content-max-width: 1320px;
  }

  .page-content {
    padding: var(--space-8);
  }

  .calendar-day {
    min-height: 160px;
  }
}

/* 1920px — Full HD+ */
@media (min-width: 1920px) {
  :root {
    --content-max-width: 1600px;
  }

  html {
    font-size: 17px;
  }
}

/* Mobile-only utilities */
@media (max-width: 767px) {
  .hidden-mobile { display: none !important; }

  .page-header-row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-header-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .page-header-actions > .btn:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .page-header-actions .btn {
    justify-content: center;
    width: 100%;
  }

  .page-title {
    font-size: var(--text-xl);
  }

  .filter-panel {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
  }

  .filter-panel .form-group {
    min-width: 0;
    width: 100%;
  }

  .filter-panel .form-input,
  .filter-panel .form-select {
    width: 100%;
  }

  .filter-panel > .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .stat-card {
    padding: var(--space-4);
  }

  .stat-card-value {
    font-size: var(--text-2xl);
  }

  .stat-card-label {
    font-size: var(--text-xs);
  }

  .card-body {
    padding: var(--space-4);
  }

  .card-header {
    padding: var(--space-3) var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .card-header-tools {
    justify-content: stretch;
    padding: var(--space-3);
  }

  .table-tools {
    flex-direction: column;
    align-items: stretch;
  }

  .table-tools .dropdown,
  .table-tools .btn {
    width: 100%;
  }

  .table-tools .dropdown > .btn {
    width: 100%;
    justify-content: center;
  }

  .table-tools-import {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .table-tools-file {
    width: 100%;
    text-align: center;
  }

  .table-tools-check {
    justify-content: center;
    width: 100%;
  }

  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .table th,
  .table td {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  @media (max-width: 359px) {
    .stats-grid {
      grid-template-columns: 1fr;
    }

    .detail-grid {
      grid-template-columns: 1fr;
    }
  }

  .modal {
    max-width: 100%;
    width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    top: 0;
    left: 0;
    transform: translateY(100%);
  }

  .modal.is-open {
    transform: translateY(0);
  }

  .toast-container {
    top: auto;
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
    width: auto;
  }

  .table-wrapper {
    border-radius: var(--radius-md);
  }
}

/* --------------------------------------------------------------------------
   Tenant Panel — Enhanced UI
   -------------------------------------------------------------------------- */
.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  word-break: break-word;
}

.page-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.filter-panel {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: flex-end;
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.filter-panel .form-group {
  margin: 0;
  min-width: 140px;
}

.form-grid {
  display: grid;
  gap: var(--space-4);
}

.form-grid-2 {
  grid-template-columns: 1fr;
}

.form-grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .form-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .form-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.detail-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
}

.detail-item-label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.detail-item-value {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-4);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  opacity: 0.7;
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.empty-state-message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.quick-action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.quick-action-btn:hover {
  border-color: var(--color-brand-300);
  box-shadow: var(--shadow-sm);
  color: var(--color-text-brand);
}

.stat-card-icon-wrap {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  background: var(--color-brand-50);
}

[data-theme="dark"] .stat-card-icon-wrap,
.dark .stat-card-icon-wrap {
  background: rgba(99, 102, 241, 0.15);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  min-height: 160px;
  padding: var(--space-4) 0;
}

.chart-bars-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--space-2));
  padding: 0 var(--space-2);
}

.chart-bars-scroll .chart-bars {
  min-width: max-content;
  padding-bottom: var(--space-2);
}

.chart-bars-scroll .chart-bar-col {
  flex: 0 0 40px;
  min-width: 40px;
}

.chart-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.chart-bar {
  width: 100%;
  max-width: 48px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--gradient-brand);
  min-height: 4px;
  transition: height var(--transition-base);
}

.chart-bar-label {
  font-size: 10px;
  color: var(--color-text-muted);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.chart-bar-value {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
}

.tabs-nav {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2);
  flex-wrap: wrap;
}

.tabs-nav-scroll {
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
}

.tabs-nav-scroll .tab-link {
  flex-shrink: 0;
  white-space: nowrap;
}

.tab-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tab-link.is-active,
.tab-link:hover {
  color: var(--color-text-brand);
  background: var(--color-brand-50);
}

[data-theme="dark"] .tab-link.is-active,
.dark .tab-link.is-active {
  background: rgba(99, 102, 241, 0.15);
}

.notification-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

.notification-item:last-child {
  border-bottom: none;
}

.notification-item.is-unread {
  background: var(--color-brand-50);
}

[data-theme="dark"] .notification-item.is-unread,
.dark .notification-item.is-unread {
  background: rgba(99, 102, 241, 0.08);
}

.notification-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-brand-500);
  margin-top: 6px;
  flex-shrink: 0;
}

.table-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.card-section-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.checkbox-grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .checkbox-grid { grid-template-columns: repeat(2, 1fr); }
}

.form-section {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.form-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.form-section-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

/* Print */
@media print {
  .sidebar,
  .navbar,
  .sidebar-overlay,
  .toast-container {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .card {
    box-shadow: none;
    break-inside: avoid;
  }
}

/* Demo modu */
.demo-banner {
  background: linear-gradient(90deg, #fef3c7, #fde68a);
  border-bottom: 1px solid #f59e0b;
  padding: 10px 24px;
}

.demo-banner-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 1400px;
  margin: 0 auto;
}

.demo-banner-icon { font-size: 20px; }

.demo-banner-text {
  font-size: 14px;
  color: #92400e;
}

.demo-banner-link {
  color: #b45309;
  font-weight: 600;
  margin-left: 8px;
  text-decoration: underline;
}

.impersonation-banner {
  background: linear-gradient(90deg, #ede9fe, #ddd6fe);
  border-bottom: 1px solid #7c3aed;
  padding: 10px 24px;
}

.impersonation-banner-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 1400px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.impersonation-banner-icon { font-size: 20px; }

.impersonation-banner-text {
  font-size: 14px;
  color: #5b21b6;
}

.impersonation-banner-btn {
  background: #7c3aed;
  color: #fff;
  border: none;
  white-space: nowrap;
}

.impersonation-banner-btn:hover {
  background: #6d28d9;
  color: #fff;
}

.usage-bar {
  height: 8px;
  background: var(--color-bg-muted);
  border-radius: 999px;
  overflow: hidden;
  margin-top: var(--space-2);
}

.usage-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .3s ease;
}

.usage-bar-fill.is-ok { background: var(--color-success); }
.usage-bar-fill.is-warn { background: var(--color-warning); }
.usage-bar-fill.is-danger { background: var(--color-danger); }

/* Personel yoğunluk */
.workload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.workload-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
}

.workload-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.workload-meter {
  height: 8px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.workload-meter span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--color-success);
  transition: width 0.3s ease;
}

.workload-high .workload-meter span,
.workload-critical .workload-meter span { background: var(--color-warning); }
.workload-critical .workload-meter span { background: var(--color-danger); }

/* Finans hatırlatıcıları */
.reminder-list {
  display: grid;
  gap: var(--space-3);
}

.reminder-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.reminder-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.reminder-item p {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.reminder-icon { font-size: 1.25rem; flex-shrink: 0; }
.reminder-danger { border-left: 4px solid var(--color-danger); }
.reminder-warning { border-left: 4px solid var(--color-warning); }
.reminder-info { border-left: 4px solid var(--color-info, #3b82f6); }

/* Müşteri profil */
.customer-profile-header { display: flex; gap: var(--space-4); align-items: center; margin-bottom: var(--space-6); padding: var(--space-5); background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-xl); }
.customer-profile-avatar { width: 4rem; height: 4rem; border-radius: 50%; background: var(--gradient-brand); color: #fff; display: flex; align-items: center; justify-content: center; font-size: var(--text-2xl); font-weight: 700; flex-shrink: 0; }
.customer-profile-meta h2 { margin: 0 0 var(--space-1); font-size: var(--text-xl); }
.customer-profile-meta p { margin: 0; color: var(--color-text-secondary); font-size: var(--text-sm); }
.customer-tags { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-top: var(--space-2); }
.timeline-list { list-style: none; margin: 0; padding: 0; }
.timeline-item { display: flex; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.timeline-item:last-child { border-bottom: none; }
.timeline-date { font-size: var(--text-xs); color: var(--color-text-muted); min-width: 110px; flex-shrink: 0; }
.timeline-body p { margin: var(--space-1) 0 0; font-size: var(--text-sm); color: var(--color-text-secondary); }
.form-hint { display: block; margin-top: var(--space-1); font-size: var(--text-xs); color: var(--color-text-muted); }