/* Phi Gamma Delta — Chi Alpha Chapter — Shared Styles */
:root {
  --red: #7B4FC4;
  --red-dark: #5A3496;
  --red-glow: rgba(123, 79, 196, 0.15);
  --black: #0f0f0f;
  --surface: #1a1a1a;
  --surface-2: #222222;
  --border: #2e2e2e;
  --text: #f0f0f0;
  --text-muted: #888;
  --text-dim: #555;
  --white: #ffffff;
  --font-display: 'Cinzel', serif;
  --font-body: 'Inter', sans-serif;
  --sidebar-width: 240px;
  --header-height: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--text);
  min-height: 100vh;
}

/* ── LAYOUT ── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo img {
  width: 72px;
  height: auto;
  margin-bottom: 10px;
}

.sidebar-logo span {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 16px 20px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border-left: 2px solid transparent;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-item.active {
  color: var(--white);
  border-left-color: var(--red);
  background: rgba(123, 79, 196, 0.08);
}

.nav-item .nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.nav-item.nav-sub {
  padding-left: 36px;
  font-size: 0.82rem;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user strong {
  color: var(--text);
  display: block;
  font-size: 0.85rem;
}

.btn-signout {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  padding: 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  text-align: center;
}

.btn-signout:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ── MAIN CONTENT ── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 28px 40px 24px;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.06em;
}

.page-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 4px;
}

.page-body {
  padding: 32px 40px;
  flex: 1;
}

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ── STAT TILES ── */
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
}

.stat-tile .stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-tile .stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text);
  line-height: 1;
}

.stat-tile .stat-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.15s, opacity 0.15s;
  text-decoration: none;
}

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

.btn-red:hover { background: var(--red-dark); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-outline:hover {
  border-color: var(--red);
  color: var(--text);
}

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-red { background: var(--red-glow); color: var(--red); border: 1px solid rgba(123,79,196,0.3); }
.badge-gray { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid var(--border); }
.badge-green { background: rgba(40,160,80,0.1); color: #6bcf7f; border: 1px solid rgba(40,160,80,0.25); }

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.9rem; }

/* ── MODAL ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ── FORMS ── */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 7px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 10px 13px;
  outline: none;
  transition: border-color 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--red);
}

.field textarea { resize: vertical; min-height: 90px; }

.field select option { background: var(--surface-2); }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ── TABLE ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #1e1e1e;
  color: var(--text-muted);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.data-table td strong {
  color: var(--text);
  font-weight: 500;
}

.data-table td a {
  color: var(--red);
  text-decoration: none;
}

.data-table td a:hover { text-decoration: underline; }

/* ── MEMBER CARD ── */
.member-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
  text-decoration: none;
}

.member-card:hover {
  border-color: var(--red);
  transform: translateY(-2px);
}

.member-card .member-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--red);
  overflow: hidden;
}

.member-card .member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-card .member-name {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
}

.member-card .member-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── SEARCH BAR ── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 14px;
  margin-bottom: 24px;
}

.search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 11px 0;
  outline: none;
}

.search-bar input::placeholder { color: var(--text-dim); }
.search-bar .search-icon { color: var(--text-dim); font-size: 1rem; }

/* ── FILTER CHIPS ── */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.chip {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s;
}

.chip:hover {
  border-color: var(--red);
  color: var(--text);
}

.chip.active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

/* ── TOAST ── */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 18px;
  font-size: 0.85rem;
  color: var(--text);
  z-index: 9999;
  display: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

/* ── MOBILE TOPBAR + BACKDROP ── */
.mobile-topbar {
  display: none;
}
.sidebar-backdrop {
  display: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.25s; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding-top: 56px; }
  .page-header, .page-body { padding-left: 20px; padding-right: 20px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 56px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    z-index: 150;
  }
  .mobile-menu-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
  }
  .mobile-topbar-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    color: var(--white);
    text-transform: uppercase;
  }
  .sidebar-backdrop.open {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
  }
  .sidebar.open { z-index: 200; }
}

/* ── SPA ROUTER TRANSITIONS ── */
#route-content {
  animation: fadeIn 0.18s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-item { cursor: pointer; }

/* Route loading bar */
#route-loading-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--red);
  z-index: 99999;
  transition: width 0.2s ease, opacity 0.3s ease;
  opacity: 0;
}
#route-loading-bar.active {
  opacity: 1;
}