/* ═══════════════════════════════════════════════════════════════
   Tesmino Academy — Design System
   Font: YekanBakh Variable
   Brand: Tesmino (#E8304A)
═══════════════════════════════════════════════════════════════ */

/* ─── Font Face ──────────────────────────────────────────────── */
@font-face {
  font-family: 'YekanBakh';
  src: url('../fonts/YekanBakh-VF.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'YekanBakhFaNum';
  src: url('../fonts/YekanBakhFaNum-VF.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ─── CSS Variables ──────────────────────────────────────────── */
:root {
  /* Brand */
  --color-primary:        #E8304A;
  --color-primary-hover:  #C8253D;
  --color-primary-light:  #FFF0F2;
  --color-primary-mid:    #FFD6DC;
  --color-primary-dark:   #9B1828;

  /* Background & Surface */
  --color-bg:             #F0F2F8;
  --color-surface:        #FFFFFF;
  --color-surface-2:      #F8F9FC;

  /* Sidebar */
  --color-sidebar-bg:     #FFFFFF;
  --color-sidebar-active: #FFF0F2;
  --color-sidebar-hover:  #F8F9FC;

  /* Text */
  --color-text:           #1A1A2E;
  --color-text-sub:       #8A8FA8;
  --color-text-muted:     #B0B5C8;
  --color-text-inverse:   #FFFFFF;

  /* Border */
  --color-border:         #E8E9F0;
  --color-border-strong:  #D0D3E0;

  /* Status */
  --color-success:        #10B981;
  --color-success-light:  #ECFDF5;
  --color-warning:        #F59E0B;
  --color-warning-light:  #FFFBEB;
  --color-error:          #EF4444;
  --color-error-light:    #FEF2F2;
  --color-info:           #3B82F6;
  --color-info-light:     #EFF6FF;

  /* Accent */
  --color-gold:           #F5A623;
  --color-purple:         #8B5CF6;
  --color-teal:           #14B8A6;

  /* Dark */
  --color-dark:           #12121F;
  --color-dark-2:         #1E1E30;

  /* Typography */
  --font-base:    'YekanBakh', 'Tahoma', sans-serif;
  --font-num:     'YekanBakhFaNum', 'YekanBakh', sans-serif;

  /* Font weights */
  --fw-thin:       100;
  --fw-light:      300;
  --fw-regular:    400;
  --fw-medium:     500;
  --fw-semibold:   600;
  --fw-bold:       700;
  --fw-extrabold:  800;
  --fw-black:      900;

  /* Spacing */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* Border Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs:  0 1px 3px rgba(0,0,0,0.06);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.07);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.10);
  --shadow-xl:  0 16px 48px rgba(0,0,0,0.12);
  --shadow-primary: 0 4px 20px rgba(232,48,74,0.30);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --sidebar-width:     240px;
  --sidebar-collapsed: 72px;
  --header-height:     64px;
  --content-max:       1280px;
  --content-padding:   24px;
}

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

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

body {
  font-family: var(--font-base);
  font-weight: var(--fw-regular);
  color: var(--color-text);
  background: var(--color-bg);
  direction: rtl;
  text-align: right;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* Persian numbers via FaNum font */
.num, [data-num] {
  font-family: var(--font-num);
}

/* ─── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ─── Typography ─────────────────────────────────────────────── */
h1 { font-size: clamp(26px, 3.5vw, 42px); font-weight: var(--fw-black); line-height: 1.25; }
h2 { font-size: clamp(22px, 2.5vw, 32px); font-weight: var(--fw-extrabold); line-height: 1.3; }
h3 { font-size: clamp(18px, 2vw, 24px);   font-weight: var(--fw-bold); line-height: 1.35; }
h4 { font-size: 18px; font-weight: var(--fw-semibold); }
h5 { font-size: 16px; font-weight: var(--fw-semibold); }
h6 { font-size: 14px; font-weight: var(--fw-semibold); }
p  { line-height: 1.8; color: var(--color-text-sub); }
small { font-size: 12px; }

/* ─── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  min-width: 0;
  margin-right: var(--sidebar-width);
  transition: margin-right var(--transition-base);
}

.main-content.no-sidebar {
  margin-right: 0;
}

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

/* ─── Header ─────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.header-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
}

.header-logo-text {
  font-size: 16px;
  font-weight: var(--fw-black);
}

.header-logo-text span { color: var(--color-primary); }

.header-search {
  flex: 1;
  max-width: 480px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-right: auto;
}

/* ─── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-sidebar-bg);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow: hidden;
  transition: width var(--transition-base), transform var(--transition-base);
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  gap: var(--space-3);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-logo svg { color: white; }

.sidebar-title {
  font-size: 15px;
  font-weight: var(--fw-black);
  white-space: nowrap;
}
.sidebar-title span { color: var(--color-primary); }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) 0;
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-4) var(--space-5) var(--space-2);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  margin: 2px var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.sidebar-item:hover {
  background: var(--color-sidebar-hover);
  color: var(--color-text);
}

.sidebar-item.active {
  background: var(--color-sidebar-active);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.sidebar-item.active::before {
  content: '';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.sidebar-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.sidebar-item.active svg,
.sidebar-item:hover svg { opacity: 1; }

.sidebar-item-badge {
  margin-right: auto;
  font-size: 11px;
  font-weight: var(--fw-bold);
  background: var(--color-primary);
  color: white;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-family: var(--font-num);
}

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

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: var(--fw-semibold);
  line-height: 1;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(232,48,74,0.40);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-border);
  border-color: var(--color-border-strong);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-sub);
  border: 1px solid transparent;
}
.btn-ghost:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-error);
  color: white;
}
.btn-danger:hover { background: #DC2626; }

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

/* Sizes */
.btn-sm  { padding: 7px 14px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-lg  { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-xl  { padding: 16px 36px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-icon { padding: 10px; width: 40px; height: 40px; }
.btn-icon.btn-sm { width: 32px; height: 32px; padding: 6px; }

/* Loading state */
.btn.loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(232,48,74,0.20);
  box-shadow: 0 8px 32px rgba(232,48,74,0.08);
  transform: translateY(-2px);
}

.card-body { padding: var(--space-5); }
.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

/* Stat card */
.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card-value {
  font-size: 26px;
  font-weight: var(--fw-black);
  font-family: var(--font-num);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-card-label {
  font-size: 13px;
  color: var(--color-text-sub);
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}

.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-error   { background: var(--color-error-light);   color: var(--color-error); }
.badge-info    { background: var(--color-info-light);     color: var(--color-info); }
.badge-purple  { background: #F3F0FF; color: var(--color-purple); }
.badge-dark    { background: var(--color-dark); color: white; }

/* ─── Form Elements ──────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: 14px;
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label span { color: var(--color-primary); }

.input {
  width: 100%;
  padding: 11px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-base);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface);
  transition: all var(--transition-fast);
  outline: none;
  direction: rtl;
}

.input::placeholder { color: var(--color-text-muted); }
.input:hover { border-color: var(--color-border-strong); }
.input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.input.error { border-color: var(--color-error); }
.input.error:focus { box-shadow: 0 0 0 3px var(--color-error-light); }

.input-icon-wrapper { position: relative; }
.input-icon-wrapper .input { padding-right: 42px; }
.input-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.form-hint {
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* OTP Input */
.otp-inputs {
  display: flex;
  gap: var(--space-3);
  direction: ltr;
  justify-content: center;
}

.otp-input {
  width: 52px;
  height: 56px;
  text-align: center;
  font-size: 22px;
  font-weight: var(--fw-bold);
  font-family: var(--font-num);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition-fast);
  outline: none;
}

.otp-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.otp-input.filled {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ─── Search ─────────────────────────────────────────────────── */
.search-box {
  position: relative;
}

.search-box .input {
  padding-right: 44px;
  padding-left: 44px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border-color: transparent;
}

.search-box .input:focus {
  background: var(--color-surface);
  border-color: var(--color-primary);
}

.search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

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

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th {
  padding: var(--space-3) var(--space-5);
  text-align: right;
  font-weight: var(--fw-semibold);
  color: var(--color-text-sub);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  font-size: 13px;
}

.table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

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

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--color-surface-2);
}

/* ─── Alerts / Toast ─────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid transparent;
}

.alert-success { background: var(--color-success-light); color: #065F46; border-color: #A7F3D0; }
.alert-error   { background: var(--color-error-light);   color: #991B1B; border-color: #FECACA; }
.alert-warning { background: var(--color-warning-light); color: #92400E; border-color: #FDE68A; }
.alert-info    { background: var(--color-info-light);    color: #1E40AF; border-color: #BFDBFE; }

/* ─── Modal ──────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18,18,31,0.5);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-base);
  overflow: hidden;
}

.modal-backdrop.open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: var(--fw-bold);
}

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

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

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: 300;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition-base);
}

.dropdown-menu.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.dropdown-item:hover { background: var(--color-bg); }
.dropdown-item.danger { color: var(--color-error); }
.dropdown-divider { height: 1px; background: var(--color-border); margin: var(--space-2) 0; }

/* ─── Avatar ─────────────────────────────────────────────────── */
.avatar {
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-bold);
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
  font-size: 14px;
}

.avatar-xs  { width: 24px; height: 24px; font-size: 10px; }
.avatar-sm  { width: 32px; height: 32px; font-size: 12px; }
.avatar-md  { width: 40px; height: 40px; font-size: 14px; }
.avatar-lg  { width: 56px; height: 56px; font-size: 18px; }
.avatar-xl  { width: 72px; height: 72px; font-size: 24px; }

/* ─── Tabs ───────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--color-bg);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.tab {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--color-text-sub);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  border: none;
  background: transparent;
  font-family: var(--font-base);
}

.tab.active {
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  box-shadow: var(--shadow-xs);
}

/* ─── Progress ───────────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-bar-fill.success { background: var(--color-success); }

/* ─── Skeleton ───────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 50%, var(--color-border) 75%);
  background-size: 1000px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ─── Bottom Nav (Mobile) ────────────────────────────────────── */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: 200;
  padding: 0 var(--space-2);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}

.bottom-nav-items {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  font-family: var(--font-base);
  text-decoration: none;
}

.bottom-nav-item.active {
  color: var(--color-primary);
}

.bottom-nav-item svg { width: 22px; height: 22px; }

/* FAB button */
.bottom-nav-fab {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-primary);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  margin-top: -24px;
}

.bottom-nav-fab:hover { background: var(--color-primary-hover); transform: scale(1.05); }

/* ─── Utilities ──────────────────────────────────────────────── */
.flex      { display: flex; }
.flex-col  { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.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-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-sub     { color: var(--color-text-sub); }
.text-success { color: var(--color-success); }
.text-error   { color: var(--color-error); }
.font-bold    { font-weight: var(--fw-bold); }
.font-semibold { font-weight: var(--fw-semibold); }
.mt-auto { margin-top: auto; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }

/* ─── Animations ─────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

.animate-fade-in { animation: fadeIn 0.4s ease both; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 0px;
    --content-padding: 16px;
  }

  .sidebar {
    transform: translateX(100%);
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

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

  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .bottom-nav { display: block; }

  .main-content { padding-bottom: 80px; }
}

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

  .header-search { display: none; }

  h1 { font-size: 26px; }
  h2 { font-size: 22px; }

  .page-wrapper { padding: var(--space-4); }

  .modal { max-width: 100%; border-radius: var(--radius-2xl) var(--radius-2xl) 0 0; }
  .modal-backdrop { align-items: flex-end; padding: 0; }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .btn-xl { padding: 13px 24px; font-size: 15px; }
  .otp-input { width: 44px; height: 50px; font-size: 20px; }
}

/* ─── Print ──────────────────────────────────────────────────── */
@media print {
  .sidebar, .header, .bottom-nav { display: none !important; }
  .main-content { margin: 0 !important; }
}