/* =============================================
   CAMPUS - Global Styles
   Imported by every HTML page
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* ─── CSS Variables ─────────────────────────── */
:root {
  --green: #1db954;
  --green-dark: #0d8a3e;
  --green-dim: rgba(29, 185, 84, 0.15);
  --green-border: rgba(29, 185, 84, 0.25);
  --bg: #050a0f;
  --bg-card: #0d1f2d;
  --bg-card2: #091520;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(29, 185, 84, 0.4);
  --text: #e8f4f8;
  --text-muted: rgba(255, 255, 255, 0.45);
  --text-dim: rgba(255, 255, 255, 0.25);
  --orange: #ffa500;
  --red: #ef4444;
  --blue: #60a5fa;
  --purple: #c084fc;
  --pink: #f472b6;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  --font: 'Sora', sans-serif;
  --mono: 'Space Mono', monospace;
  --nav-h: 64px;
}

/* ─── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { font-family: var(--font); cursor: pointer; }
input, select, textarea { font-family: var(--font); }
img { max-width: 100%; }

/* ─── Scrollbar ─────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0a1420; }
::-webkit-scrollbar-thumb { background: #1a6b3a; border-radius: 3px; }

/* ─── NAVBAR ─────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--nav-h);
  background: rgba(5, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--green-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.navbar-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.navbar-name {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, #1db954, #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-links { display: flex; gap: 4px; align-items: center; }
.nav-link {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}
.nav-link:hover, .nav-link.active { color: var(--green); background: var(--green-dim); }

.navbar-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; min-width: 0; }

/* user pill shown when logged in */
.user-pill {
  display: flex; align-items: center; gap: 8px;
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}
.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
}
.user-name { font-size: 13px; font-weight: 600; color: var(--green); }

/* ─── FOOTER ─────────────────────────────────── */
.footer {
  border-top: 1px solid var(--green-border);
  padding: 32px 24px;
  text-align: center;
  margin-top: 80px;
}
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 10px; }
.footer-text { color: var(--text-dim); font-size: 13px; }

/* ─── BUTTONS ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font); font-weight: 600; font-size: 14px;
  padding: 11px 24px; cursor: pointer; transition: all 0.2s;
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(29,185,84,0.4); }
.btn-primary:disabled { opacity: 0.45; transform: none; cursor: not-allowed; box-shadow: none; }

.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1.5px solid var(--green);
}
.btn-outline:hover { background: var(--green-dim); transform: translateY(-1px); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); color: var(--text); }

.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-full { width: 100%; }

/* ─── FORM INPUTS ────────────────────────────── */
.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-label { font-size: 13px; font-weight: 600; color: var(--text-muted); }

.input {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  width: 100%;
  outline: none;
  transition: all 0.2s;
}
.input:focus { border-color: var(--green); background: rgba(29,185,84,0.04); box-shadow: 0 0 0 3px rgba(29,185,84,0.1); }
.input::placeholder { color: var(--text-dim); }
.input.error { border-color: var(--red); }

/* ─── CARDS ──────────────────────────────────── */
.card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-card2));
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s;
}
.card-hover:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* ─── BADGES ─────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 600; letter-spacing: 0.4px;
}
.badge-material  { background: rgba(29,185,84,0.18); color: var(--green); border: 1px solid rgba(29,185,84,0.3); }
.badge-past      { background: rgba(255,165,0,0.18); color: var(--orange); border: 1px solid rgba(255,165,0,0.3); }
.badge-federal   { background: rgba(96,165,250,0.18); color: var(--blue); border: 1px solid rgba(96,165,250,0.3); }
.badge-state     { background: rgba(192,132,252,0.18); color: var(--purple); border: 1px solid rgba(192,132,252,0.3); }
.badge-private   { background: rgba(244,114,182,0.18); color: var(--pink); border: 1px solid rgba(244,114,182,0.3); }

/* ─── PROGRESS BAR ───────────────────────────── */
.progress-wrap { height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--green), var(--green-dark)); border-radius: 3px; transition: width 0.5s ease; }
.progress-fill.warning { background: linear-gradient(90deg, var(--orange), #e67300); }
.progress-fill.danger  { background: linear-gradient(90deg, var(--red), #dc2626); }

/* ─── ALERT BANNERS ──────────────────────────── */
.alert {
  padding: 14px 18px; border-radius: var(--radius);
  font-size: 14px; font-weight: 500; line-height: 1.5;
}
.alert-warning { background: rgba(255,165,0,0.08); border: 1px solid rgba(255,165,0,0.3); color: var(--orange); }
.alert-error   { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.3); color: var(--red); }
.alert-success { background: rgba(29,185,84,0.08); border: 1px solid rgba(29,185,84,0.3); color: var(--green); }
.alert-info    { background: rgba(96,165,250,0.08); border: 1px solid rgba(96,165,250,0.3); color: var(--blue); }

/* ─── TOAST NOTIFICATION ─────────────────────── */
#toast {
  position: fixed; top: 80px; right: 20px; z-index: 9999;
  padding: 14px 20px; border-radius: var(--radius);
  font-size: 14px; font-weight: 500;
  max-width: 320px; pointer-events: none;
  opacity: 0; transform: translateX(100px);
  transition: all 0.3s ease;
}
#toast.show { opacity: 1; transform: translateX(0); }
#toast.success { background: #0d3320; border: 1px solid var(--green); color: var(--green); }
#toast.warning { background: #332200; border: 1px solid var(--orange); color: var(--orange); }
#toast.error   { background: #330d0d; border: 1px solid var(--red); color: var(--red); }

/* ─── FILTER CHIPS ───────────────────────────── */
.chip {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  padding: 6px 14px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 600; cursor: pointer;
  transition: all 0.2s; color: var(--text-muted);
  font-family: var(--font); white-space: nowrap;
}
.chip:hover { border-color: var(--green-border); color: var(--text); }
.chip.active { background: var(--green-dim); border-color: var(--green); color: var(--green); }

/* ─── UNIVERSITY DROPDOWN ────────────────────── */
.uni-dropdown-wrap { position: relative; }
.uni-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: #0d1f2d; border: 1.5px solid var(--green-border);
  border-radius: 10px; max-height: 240px; overflow-y: auto;
  z-index: 200; display: none;
}
.uni-dropdown.open { display: block; }
.uni-group-label {
  padding: 8px 14px; font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; color: var(--text-dim);
  text-transform: uppercase; background: rgba(0,0,0,0.3);
  position: sticky; top: 0;
}
.uni-option {
  padding: 10px 14px; cursor: pointer; font-size: 13px;
  transition: background 0.15s; border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex; align-items: center; justify-content: space-between;
}
.uni-option:hover { background: var(--green-dim); color: var(--green); }

/* ─── LOADING SPINNER ────────────────────────── */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(29,185,84,0.15);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-wrap { display: flex; justify-content: center; padding: 60px 0; }

/* ─── EMPTY STATE ────────────────────────────── */
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.empty-state p  { font-size: 14px; color: var(--text-dim); }

/* ─── PDF GRID ───────────────────────────────── */
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ─── PDF CARD ───────────────────────────────── */
.pdf-card { padding: 22px; display: flex; flex-direction: column; }
.pdf-card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.pdf-card-title {
  font-size: 15px; font-weight: 700; line-height: 1.4;
  margin-bottom: 8px; color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pdf-card-uni  { font-size: 12px; color: var(--text-muted); margin-bottom: 3px; }
.pdf-card-info { font-size: 12px; color: var(--text-dim); }
.pdf-card-footer {
  margin-top: auto; padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.pdf-card-stats { flex: 1; font-size: 12px; color: var(--text-dim); }

/* ─── SECTION TITLE ──────────────────────────── */
.section-title { font-size: 22px; font-weight: 700; margin-bottom: 20px; }
.section-sub { color: var(--text-muted); font-size: 14px; margin-top: -14px; margin-bottom: 20px; }

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

/* ─── CONTAINER ──────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 680px; margin: 0 auto; padding: 0 24px; }
.container-xs { max-width: 480px; margin: 0 auto; padding: 0 24px; }

/* ─── PAGE PADDING ───────────────────────────── */
.page { padding: 40px 0 80px; }

/* ─── RESPONSIVE ─────────────────────────────── */
@media (max-width: 640px) {
  .navbar-links { display: none; }
  .pdf-grid { grid-template-columns: 1fr; }
  .container, .container-sm { padding: 0 16px; }
  .navbar { padding: 0 12px; gap: 8px; }

  /* Shrink user pill on mobile */
  .user-pill {
    padding: 5px 10px;
    gap: 6px;
  }
  .user-name {
    font-size: 12px;
    max-width: 80px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .user-avatar {
    width: 24px;
    height: 24px;
    font-size: 11px;
  }

  /* Shrink logout button */
  .navbar-actions .btn-ghost {
    padding: 6px 10px;
    font-size: 12px;
  }

  /* Navbar brand smaller */
  .navbar-name { font-size: 18px; }
  .navbar-logo { width: 30px; height: 30px; font-size: 15px; border-radius: 8px; }
}

@media (max-width: 400px) {
  /* Hide logout text, show icon only */
  .navbar-actions .btn-ghost {
    padding: 6px 8px;
    font-size: 0;
  }
  .navbar-actions .btn-ghost::after {
    content: '↪️';
    font-size: 14px;
  }

  /* User pill even tighter */
  .user-name { max-width: 60px; }
}

/* =============================================
   HAMBURGER + MOBILE DRAWER
   ============================================= */

/* ─── Hamburger Button ───────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 0 10px;
  flex-shrink: 0;
  transition: background 0.2s;
}
.hamburger:hover { background: rgba(255,255,255,0.1); }
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Animated to X when open */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Overlay ────────────────────────────────── */
#drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
#drawer-overlay.show {
  opacity: 1;
  pointer-events: all;
}

/* ─── Mobile Drawer ──────────────────────────── */
#mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(300px, 85vw);
  height: 100vh;
  background: #0a1825;
  border-left: 1px solid var(--green-border);
  z-index: 900;
  display: flex;
  flex-direction: column;
  padding: 0 0 32px;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
#mobile-drawer.open { transform: translateX(0); }

/* Drawer Header */
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.drawer-brand { display: flex; align-items: center; gap: 8px; }
.drawer-close {
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.drawer-close:hover { background: rgba(239,68,68,0.15); color: var(--red); border-color: rgba(239,68,68,0.3); }

/* Drawer User Block */
.drawer-user {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 20px 16px;
}
.drawer-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; color: #fff;
  flex-shrink: 0;
}
.drawer-user-name {
  font-size: 15px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.drawer-user-uni {
  font-size: 11px; color: var(--text-muted); margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Drawer Divider */
.drawer-divider {
  height: 1px;
  background: var(--border);
  margin: 0 20px;
}

/* Drawer Nav */
.drawer-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 12px;
  gap: 4px;
  flex: 1;
}
.drawer-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s;
}
.drawer-link:hover {
  background: var(--green-dim);
  color: var(--text);
}
.drawer-link.active {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green-border);
}
.drawer-link-icon { font-size: 18px; width: 24px; text-align: center; }

/* Drawer Actions */
.drawer-actions {
  padding: 16px 20px 0;
  flex-shrink: 0;
}

/* ─── Show hamburger on mobile ───────────────── */
@media (max-width: 640px) {
  .hamburger        { display: flex; }
  .desktop-actions  { display: none; }
  .navbar-links     { display: none; }
}