/* ==========================================================
   MessMate — Design System (Material You / Premium SaaS)
   ========================================================== */

/* ---------- Custom Properties ---------- */
:root {
  --mess-primary: #4f378a;
  --mess-primary-container: #6750a4;
  --mess-on-primary: #ffffff;
  --mess-primary-fixed: #e9ddff;
  --mess-primary-fixed-dim: #cfbcff;
  --mess-on-primary-fixed: #22005d;
  --mess-on-primary-fixed-variant: #4f378a;
  --mess-inverse-primary: #cfbcff;

  --mess-secondary: #63597c;
  --mess-secondary-container: #e1d4fd;
  --mess-on-secondary: #ffffff;
  --mess-on-secondary-container: #645a7d;

  --mess-tertiary: #765b00;
  --mess-tertiary-container: #c9a74d;
  --mess-on-tertiary: #ffffff;

  --mess-surface: #fdf7ff;
  --mess-surface-dim: #ded8e0;
  --mess-surface-bright: #fdf7ff;
  --mess-surface-container: #f2ecf4;
  --mess-surface-container-low: #f8f2fa;
  --mess-surface-container-high: #ece6ee;
  --mess-surface-container-highest: #e6e0e9;
  --mess-surface-container-lowest: #ffffff;
  --mess-on-surface: #1d1b20;
  --mess-on-surface-variant: #494551;
  --mess-inverse-surface: #322f35;
  --mess-inverse-on-surface: #f5eff7;

  --mess-background: #fdf7ff;
  --mess-on-background: #1d1b20;

  --mess-outline: #7a7582;
  --mess-outline-variant: #cbc4d2;
  --mess-surface-variant: #e6e0e9;

  --mess-error: #ba1a1a;
  --mess-on-error: #ffffff;
  --mess-error-container: #ffdad6;
  --mess-on-error-container: #93000a;

  --mess-success: #2e7d32;
  --mess-warning: #ed6c02;

  --mess-shadow-soft: 0 1px 3px rgba(0,0,0,0.05), 0 10px 15px -3px rgba(0,0,0,0.03);
  --mess-shadow-crisp: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --mess-shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 8px rgba(0,0,0,0.03);

  --mess-radius-sm: 0.25rem;
  --mess-radius: 0.5rem;
  --mess-radius-lg: 0.75rem;
  --mess-radius-xl: 1rem;
  --mess-radius-full: 9999px;

  --mess-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mess-gutter: 24px;
  --mess-container: 1280px;
}

/* ---------- Base ---------- */
body {
  font-family: var(--mess-font);
  background-color: var(--mess-background);
  color: var(--mess-on-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Navbar ---------- */
.navbar-mess {
  background: color-mix(in srgb, var(--mess-surface) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--mess-outline-variant) 30%, transparent);
  box-shadow: var(--mess-shadow-soft);
  height: 64px;
}
.navbar-mess .navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mess-primary);
}
.navbar-mess .nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mess-on-surface-variant);
  border-radius: var(--mess-radius);
  padding: 0.5rem 0.75rem !important;
  transition: all 0.2s ease;
}
.navbar-mess .nav-link:hover,
.navbar-mess .nav-link.active {
  color: var(--mess-primary);
  background-color: color-mix(in srgb, var(--mess-primary) 8%, transparent);
}
.navbar-mess .nav-link.active {
  font-weight: 600;
}

/* ---------- Sidebar ---------- */
.sidebar-mess {
  background-color: var(--mess-surface);
  border: 1px solid color-mix(in srgb, var(--mess-outline-variant) 30%, transparent);
  border-radius: var(--mess-radius-lg);
  box-shadow: var(--mess-shadow-card);
}
.sidebar-mess .list-group-item {
  border: none;
  background: transparent;
  color: var(--mess-on-surface-variant);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--mess-radius) !important;
  margin-bottom: 2px;
  padding: 0.625rem 0.75rem !important;
  transition: all 0.15s ease;
}
.sidebar-mess .list-group-item:hover {
  background-color: var(--mess-surface-container-low);
  color: var(--mess-on-surface);
  transform: translateX(2px);
}
.sidebar-mess .list-group-item.active {
  background-color: var(--mess-secondary-container);
  color: var(--mess-on-secondary-container);
  font-weight: 600;
}

/* ---------- Cards ---------- */
.card-mess {
  background: var(--mess-surface);
  border: 1px solid color-mix(in srgb, var(--mess-outline-variant) 20%, transparent);
  border-radius: var(--mess-radius-lg);
  box-shadow: var(--mess-shadow-card);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-mess:hover {
  box-shadow: var(--mess-shadow-soft);
  border-color: color-mix(in srgb, var(--mess-primary) 30%, transparent);
}
.card-mess .card-body {
  padding: 1.25rem;
}
.card-mess.border-danger {
  border-color: var(--mess-error) !important;
}

/* ---------- Tables ---------- */
.table-mess {
  margin-bottom: 0;
  font-size: 0.875rem;
}
.table-mess thead th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mess-on-surface-variant);
  background: var(--mess-surface-container);
  border-bottom: none;
  padding: 0.75rem;
  white-space: nowrap;
}
.table-mess tbody td {
  padding: 0.75rem;
  vertical-align: middle;
  border-bottom: 1px solid color-mix(in srgb, var(--mess-outline-variant) 20%, transparent);
  color: var(--mess-on-surface);
}
.table-mess tbody tr:hover {
  background-color: color-mix(in srgb, var(--mess-surface-container-low) 50%, transparent);
}
.table-mess tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- Forms ---------- */
.form-control, .form-select {
  font-family: var(--mess-font);
  font-size: 0.875rem;
  border: 1px solid var(--mess-outline-variant);
  border-radius: var(--mess-radius);
  padding: 0.5rem 0.75rem;
  background-color: var(--mess-surface);
  color: var(--mess-on-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus, .form-select:focus {
  border-color: var(--mess-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--mess-primary) 15%, transparent);
  outline: none;
}
.form-control::placeholder {
  color: var(--mess-outline);
}
.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--mess-on-surface);
  margin-bottom: 0.375rem;
}
.form-text {
  font-size: 0.75rem;
  color: var(--mess-on-surface-variant);
}
.form-check-input:checked {
  background-color: var(--mess-primary);
  border-color: var(--mess-primary);
}
.form-check-input:focus {
  border-color: var(--mess-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--mess-primary) 15%, transparent);
}

/* ---------- Buttons ---------- */
.btn-mess-primary {
  background-color: var(--mess-primary);
  color: var(--mess-on-primary);
  border: none;
  border-radius: var(--mess-radius);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s ease;
}
.btn-mess-primary:hover {
  background-color: var(--mess-primary-container);
  color: var(--mess-on-primary);
  transform: translateY(-1px);
  box-shadow: var(--mess-shadow-soft);
}
.btn-mess-primary:active {
  transform: translateY(0);
}

.btn-outline-mess {
  background: transparent;
  color: var(--mess-primary);
  border: 1px solid var(--mess-primary);
  border-radius: var(--mess-radius);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s ease;
}
.btn-outline-mess:hover {
  background-color: var(--mess-primary);
  color: var(--mess-on-primary);
  border-color: var(--mess-primary);
  box-shadow: var(--mess-shadow-soft);
}

.btn-mess-ghost {
  background: transparent;
  color: var(--mess-on-surface-variant);
  border: 1px solid color-mix(in srgb, var(--mess-outline-variant) 50%, transparent);
  border-radius: var(--mess-radius);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.2s ease;
}
.btn-mess-ghost:hover {
  background-color: var(--mess-surface-container);
  color: var(--mess-on-surface);
}

.btn-outline-secondary {
  border: 1px solid var(--mess-outline-variant) !important;
  border-radius: var(--mess-radius) !important;
  color: var(--mess-on-surface-variant) !important;
  font-weight: 500;
  font-size: 0.875rem;
}
.btn-outline-secondary:hover {
  background-color: var(--mess-surface-container) !important;
  border-color: var(--mess-outline) !important;
  color: var(--mess-on-surface) !important;
}

/* ---------- Badges & Pills ---------- */
.notif-bubble {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.375rem;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background-color: var(--mess-error);
  border-radius: var(--mess-radius-full);
}
.unseen-pill {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--mess-primary);
  border-radius: var(--mess-radius-full);
  vertical-align: middle;
}

.badge.text-bg-success { background-color: var(--mess-success) !important; }
.badge.text-bg-danger { background-color: var(--mess-error) !important; }
.badge.text-bg-secondary { background-color: var(--mess-on-surface-variant) !important; }
.badge.text-bg-warning { background-color: var(--mess-warning) !important; }

/* ---------- Alerts ---------- */
.alert {
  border: none;
  border-radius: var(--mess-radius-lg);
  font-size: 0.875rem;
}
.alert-success { background-color: color-mix(in srgb, var(--mess-success) 8%, transparent); color: var(--mess-success); }
.alert-danger { background-color: color-mix(in srgb, var(--mess-error) 8%, transparent); color: var(--mess-on-error-container); }
.alert-warning { background-color: color-mix(in srgb, var(--mess-warning) 8%, transparent); color: var(--mess-warning); }
.alert-info { background-color: color-mix(in srgb, var(--mess-primary) 8%, transparent); color: var(--mess-primary); }

/* ---------- Footer ---------- */
.mess-footer {
  background-color: var(--mess-inverse-surface);
  color: var(--mess-inverse-on-surface);
}
.mess-footer a {
  color: color-mix(in srgb, var(--mess-inverse-on-surface) 65%, transparent);
  transition: color 0.2s ease;
}
.mess-footer a:hover {
  color: var(--mess-inverse-on-surface);
}
.mess-footer hr {
  border-color: color-mix(in srgb, var(--mess-outline) 25%, transparent);
}

/* ---------- Icon Tiles ---------- */
.icon-tile {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--mess-radius-lg);
  background-color: color-mix(in srgb, var(--mess-primary) 10%, transparent);
  color: var(--mess-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ---------- Hero ---------- */
.hero-mess {
  border-radius: var(--mess-radius-xl);
  border: 1px solid color-mix(in srgb, var(--mess-outline-variant) 20%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--mess-primary-fixed) 60%, transparent), var(--mess-surface) 70%);
  box-shadow: var(--mess-shadow-card);
}
.hero-mess .hero-img {
  max-height: 400px;
  width: 100%;
  object-fit: cover;
}

/* ---------- Stat cards ---------- */
.card-stat {
  background: var(--mess-surface);
  border: 1px solid color-mix(in srgb, var(--mess-outline-variant) 20%, transparent);
  border-radius: var(--mess-radius-lg);
  box-shadow: var(--mess-shadow-card);
  padding: 1.25rem;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.card-stat:hover {
  box-shadow: var(--mess-shadow-soft);
  border-color: color-mix(in srgb, var(--mess-primary) 30%, transparent);
  transform: translateY(-2px);
}

/* ---------- Filter bar ---------- */
.filter-bar {
  background: color-mix(in srgb, var(--mess-surface) 75%, transparent);
  border: 1px solid color-mix(in srgb, var(--mess-outline-variant) 12%, transparent);
  border-radius: var(--mess-radius-lg);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--mess-surface-container-high); }
::-webkit-scrollbar-thumb { background: var(--mess-outline-variant); border-radius: 10px; }

/* ---------- Utility ---------- */
.text-mess-primary { color: var(--mess-primary) !important; }
.bg-mess-accent { background-color: var(--mess-primary-container) !important; }

/* ---------- Navbar toggler ---------- */
.navbar-toggler {
  border: 1px solid var(--mess-outline-variant);
  padding: 0.375rem;
  border-radius: var(--mess-radius);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(79,55,138,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------- Home feature list ---------- */
.feature-item i {
  font-size: 1.1rem;
}

/* ---------- Table responsive fix ---------- */
.table-responsive {
  border-radius: var(--mess-radius);
}

/* ---------- Cards with flex ---------- */
.card-mess.h-100 {
  display: flex;
  flex-direction: column;
}
.card-mess.h-100 .card-body {
  flex: 1;
}

/* ---------- Quick action cards ---------- */
.quick-action {
  transition: all 0.2s ease;
}
.quick-action:hover {
  transform: translateY(-2px);
  box-shadow: var(--mess-shadow-soft);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}