/* ==========================================================================
   Hostel Mess Management — design system
   Light theme by default; dark theme via [data-theme="dark"] on <html>,
   toggled and persisted client-side (see base.html inline script + toggle
   button). Every color, radius, spacing, and shadow used anywhere in the
   app is a variable here — never hardcode a color in a template.
   ========================================================================== */

:root {
  /* ---- Brand ---- */
  --color-primary: #7c3aed;
  --color-primary-strong: #6423c9;
  --color-primary-soft: #efe7fd;
  --color-accent-gold: #b6821f;

  /* ---- Surfaces & text (light) ---- */
  --color-bg: #f7f5fb;
  --color-surface: #ffffff;
  --color-surface-2: #f2eefa;
  --color-border: #e6e0f2;
  --color-text: #211734;
  --color-text-secondary: #6c6288;
  --color-text-faint: #9a90b5;

  /* ---- Semantic ---- */
  --color-success: #1a8a5f;
  --color-success-bg: #e4f7ee;
  --color-success-border: #b9ecd4;
  --color-danger: #c22a4d;
  --color-danger-bg: #fdeaef;
  --color-danger-border: #f6c3d1;
  --color-warning: #a1650a;
  --color-warning-bg: #fdf1de;
  --color-warning-border: #f2d69f;
  --color-info: #1c6fb0;
  --color-info-bg: #e6f2fb;
  --color-info-border: #bcdcf3;

  /* ---- Nav (always dark-on-gradient regardless of theme, it's the brand
     header) ---- */
  --nav-gradient: linear-gradient(115deg, #1c1333 0%, #3a2159 55%, #7a3585 100%);
  --nav-text: rgba(255, 255, 255, 0.85);
  --nav-text-strong: #ffffff;

  /* ---- Scale ---- */
  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --shadow-sm: 0 1px 2px rgba(35, 20, 60, 0.06), 0 1px 1px rgba(35, 20, 60, 0.04);
  --shadow-md: 0 6px 20px -6px rgba(35, 20, 60, 0.16);
  --shadow-lg: 0 16px 40px -12px rgba(35, 20, 60, 0.22);

  /* ---- Type scale: fluid between mobile and desktop, never overflows ---- */
  --fs-h1: clamp(1.5rem, 1.15rem + 1.5vw, 2.15rem);
  --fs-h2: clamp(1.25rem, 1.05rem + 0.85vw, 1.65rem);
  --fs-h3: clamp(1.1rem, 0.98rem + 0.5vw, 1.3rem);
  --fs-h4: clamp(1rem, 0.93rem + 0.3vw, 1.1rem);
  --fs-body: 1rem;
  --fs-small: 0.8125rem;
  --fs-eyebrow: 0.72rem;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --color-primary: #a78bfa;
  --color-primary-strong: #c4b5fd;
  --color-primary-soft: rgba(139, 92, 246, 0.22);
  --color-accent-gold: #e8b649;

  --color-bg: #14101f;
  --color-surface: #1d1730;
  --color-surface-2: #241c3a;
  --color-border: #362a52;
  --color-text: #f3efff;
  --color-text-secondary: #a99cc9;
  --color-text-faint: #7c709c;

  --color-success: #52d999;
  --color-success-bg: #142e25;
  --color-success-border: #1f4d3b;
  --color-danger: #f68aa6;
  --color-danger-bg: #35182233;
  --color-danger-border: #572333;
  --color-warning: #f3c968;
  --color-warning-bg: #352a12;
  --color-warning-border: #55461a;
  --color-info: #7fbdf0;
  --color-info-bg: #132840;
  --color-info-border: #1f3a5c;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -8px rgba(6, 2, 16, 0.55);
  --shadow-lg: 0 20px 48px -14px rgba(6, 2, 16, 0.65);

  color-scheme: dark;
}

/* ==========================================================================
   Base
   ========================================================================== */

html { font-size: 16px; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Manrope", "Inter", sans-serif;
  color: var(--color-text);
  line-height: 1.2;
  text-wrap: balance;
  margin-bottom: var(--space-3);
}

h1 { font-size: var(--fs-h1); font-weight: 800; }
h2 { font-size: var(--fs-h2); font-weight: 800; }
h3 { font-size: var(--fs-h3); font-weight: 700; }
h4, h5, h6 { font-size: var(--fs-h4); font-weight: 700; }

small, .small { font-size: var(--fs-small); }

p { margin-bottom: var(--space-3); }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-strong); text-decoration: underline; }

::selection { background: var(--color-primary-soft); color: var(--color-text); }

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

.text-muted { color: var(--color-text-secondary) !important; }
.text-faint { color: var(--color-text-faint) !important; }
.bg-white { background: var(--color-surface) !important; }
.bg-light { background: var(--color-bg) !important; }

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Layout shell
   ========================================================================== */

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-main {
  flex: 1;
  padding-bottom: var(--space-6);
}

/* Reserve room for the fixed bottom tab bar on mobile so content never
   sits underneath it. */
@media (max-width: 767.98px) {
  .app-main { padding-bottom: calc(72px + var(--space-5)); }
}

.container {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1400px) {
  .container { max-width: 1240px; }
}

/* ==========================================================================
   Top navbar (desktop)
   ========================================================================== */

.navbar {
  background: var(--nav-gradient) !important;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  box-shadow: 0 2px 16px rgba(10, 4, 24, 0.25);
}

.navbar-brand {
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--nav-text-strong) !important;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #ffffff, var(--color-accent-gold));
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #241734;
  font-weight: 800;
  font-size: 0.85rem;
}

.navbar .nav-link {
  color: var(--nav-text) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.show { color: var(--nav-text-strong) !important; }

.navbar .navbar-text { color: var(--nav-text) !important; font-size: 0.875rem; }

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.35);
  padding: 0.35rem 0.55rem;
}

.theme-toggle {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--nav-text-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.theme-toggle:hover { background: rgba(255, 255, 255, 0.18); }

.dropdown-menu {
  border-radius: var(--radius-md);
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 0.4rem;
  background: var(--color-surface);
}

.dropdown-item {
  border-radius: 0.5rem;
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-item:hover, .dropdown-item:focus {
  background: var(--color-primary-soft);
  color: var(--color-text);
}

/* ==========================================================================
   Bottom tab bar (mobile only)
   ========================================================================== */

.bottom-tabbar {
  display: none;
}

@media (max-width: 767.98px) {
  .bottom-tabbar {
    display: flex;
    position: fixed;
    inset-inline: 0;
    bottom: 0;
    z-index: 1030;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 16px rgba(20, 10, 40, 0.08);
    padding: 0.4rem 0.25rem calc(0.4rem + env(safe-area-inset-bottom));
  }

  .bottom-tabbar__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.3rem 0.1rem;
    color: var(--color-text-secondary);
    font-size: 0.68rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
  }

  .bottom-tabbar__item i { font-size: 1.25rem; line-height: 1; }

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

  .bottom-tabbar__item:hover { color: var(--color-primary); text-decoration: none; }
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.9rem 1.15rem;
}

.card-body { padding: 1.15rem; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.25rem;
  transition: filter 0.15s ease, transform 0.05s ease, background-color 0.15s ease;
}

.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline-offset: 3px; }

.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.825rem; }
.btn-lg { padding: 0.7rem 1.6rem; font-size: 1rem; }

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--color-primary-strong);
  border-color: var(--color-primary-strong);
  filter: none;
  color: #fff;
}

.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-outline-dark, .btn-outline-secondary {
  color: var(--color-text);
  border-color: var(--color-border);
  background: transparent;
}

.btn-outline-dark:hover, .btn-outline-secondary:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-danger, .btn-outline-danger {
  border-radius: var(--radius-pill);
}

.btn-outline-danger { color: var(--color-danger); border-color: var(--color-danger-border); }
.btn-outline-danger:hover { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }

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

/* ==========================================================================
   Forms
   ========================================================================== */

.form-control, .form-select {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem var(--color-primary-soft);
}

.form-control::placeholder { color: var(--color-text-faint); }

.form-control.is-invalid, .was-validated .form-control:invalid {
  border-color: var(--color-danger);
}

.form-control:-webkit-autofill,
.form-control:-webkit-autofill:hover,
.form-control:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--color-text);
  -webkit-box-shadow: 0 0 0px 1000px var(--color-surface) inset;
  box-shadow: 0 0 0px 1000px var(--color-surface) inset;
  caret-color: var(--color-text);
  transition: background-color 9999s ease-in-out 0s;
}

.form-check-input {
  background-color: var(--color-surface);
  border-color: var(--color-border);
}

.form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check-input:focus { box-shadow: 0 0 0 0.2rem var(--color-primary-soft); }

.form-label {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}

.form-text { color: var(--color-text-secondary) !important; font-size: 0.8rem; }

.text-danger.small { font-size: 0.78rem; }

/* ==========================================================================
   Tables
   ========================================================================== */

.table-responsive {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.table-responsive .table { margin-bottom: 0; }

.table {
  --bs-table-bg: var(--color-surface);
  --bs-table-color: var(--color-text);
  --bs-table-border-color: var(--color-border);
  --bs-table-striped-bg: var(--color-surface-2);
  --bs-table-hover-bg: var(--color-primary-soft);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.table > thead { --bs-table-color: var(--color-text-secondary); }

.table > thead th {
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom-width: 1px;
  white-space: nowrap;
}

.table > :not(caption) > * > * { padding: 0.7rem 0.85rem; }

/* ==========================================================================
   Alerts & badges
   ========================================================================== */

.alert {
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  border-width: 1px;
}

.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success-border); }
.alert-danger  { background: var(--color-danger-bg); color: var(--color-danger); border-color: var(--color-danger-border); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: var(--color-warning-border); }
.alert-info    { background: var(--color-info-bg); color: var(--color-info); border-color: var(--color-info-border); }

.badge { font-weight: 600; padding: 0.4em 0.75em; border-radius: var(--radius-pill); font-size: 0.72rem; letter-spacing: 0.02em; }
.badge.bg-info { background: var(--color-primary) !important; color: #fff; }
.badge.bg-secondary { background: var(--color-surface-2) !important; color: var(--color-text-secondary); border: 1px solid var(--color-border); }
.badge.bg-success { background: var(--color-success) !important; }
.badge.bg-danger { background: var(--color-danger) !important; }
.badge.bg-warning { background: var(--color-warning) !important; color: #241a3c; }

/* ==========================================================================
   Quick-action tiles (dashboard grids)
   ========================================================================== */

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

@media (min-width: 576px) {
  .tile-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 992px) {
  .tile-grid { grid-template-columns: repeat(4, 1fr); }
}

.tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
  height: 100%;
}

.tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  color: var(--color-text);
  text-decoration: none;
}

.tile__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.tile__label { font-weight: 700; font-size: 0.9rem; }

/* Stat tiles (numbers, e.g. Super Admin dashboard) */

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

@media (min-width: 768px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.stat-tile__value {
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.stat-tile__label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* ==========================================================================
   Auth / login
   ========================================================================== */

.auth-shell {
  flex: 1;
  display: flex;
  align-items: stretch;
}

.auth-visual {
  position: relative;
  flex: 1 1 46%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8);
  background: var(--nav-gradient);
  overflow: hidden;
}

.auth-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 75% 30%, black, transparent 70%);
}

.auth-visual__brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--space-7);
}

.auth-visual__brand .brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.auth-visual__brand span:last-child {
  color: #fff;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
}

.auth-visual__content { position: relative; z-index: 1; max-width: 26rem; }

.auth-visual__eyebrow {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-4);
}

.auth-visual__title {
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  font-size: var(--fs-h1);
  line-height: 1.15;
  color: #fff;
  margin-bottom: var(--space-4);
}

.auth-visual__subtitle {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.auth-visual__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-4); }

.auth-visual__list li { display: flex; align-items: flex-start; gap: 0.7rem; color: rgba(255, 255, 255, 0.9); font-size: 0.9rem; }

.auth-visual__list li i {
  color: var(--color-accent-gold);
  font-size: 1.1rem;
  flex: none;
}

.auth-panel { flex: 1 1 54%; display: flex; align-items: center; justify-content: center; padding: var(--space-6) var(--space-4); }

.auth-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 25rem;
  padding: var(--space-6);
}

.auth-card__logo {
  display: none;
}

.auth-card__eyebrow { color: var(--color-text-secondary); font-size: 0.85rem; margin-bottom: 0.35rem; }

.auth-card h4 { font-size: var(--fs-h2); font-weight: 800; margin-bottom: var(--space-5); }

@media (max-width: 991.98px) {
  .auth-shell { flex-direction: column; }
  .auth-visual { display: none; }

  .auth-panel { padding: var(--space-6) var(--space-4); align-items: flex-start; }

  .auth-card { max-width: 100%; box-shadow: none; border: none; padding: 0; }

  .auth-card__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: var(--space-6);
  }

  .auth-card__logo span:last-child {
    font-family: "Manrope", sans-serif;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--color-text);
  }
}

/* ==========================================================================
   Mobile-first fixes
   ========================================================================== */

@media (max-width: 767.98px) {
  .btn { min-height: 44px; }

  .d-flex.justify-content-between { flex-wrap: wrap; gap: var(--space-2); }

  .card-body .row.g-3 > div { flex: 0 0 50%; max-width: 50%; }
}
