/* CampusRush App — matches landing page design tokens */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --bg: #0a0a0f;
  --bg-elevated: #13131a;
  --bg-card: #1a1a24;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #39ff6e;
  --accent-dim: rgba(57, 255, 110, 0.15);
  --warm: #ff6b3d;
  --warm-dim: rgba(255, 107, 61, 0.15);
  --purple: #a855f7;
  --purple-dim: rgba(168, 85, 247, 0.15);
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.15);
  --red: #f43f5e;
  --red-dim: rgba(244, 63, 94, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; }
a { color: var(--accent); text-decoration: none; }
input, textarea, select {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--fg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
button {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 10px 20px;
  transition: opacity 0.15s, transform 0.1s;
}
button:hover { opacity: 0.88; }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

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

/* === NAV === */
.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 56px;
  background: var(--bg-elevated);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
}
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  background: transparent;
  color: var(--fg-muted);
  transition: color 0.15s, background 0.15s;
}
.nav-btn:hover, .nav-btn.active { color: var(--fg); background: var(--bg-card); }
.nav-btn.accent-btn { background: var(--accent); color: #000; }
.nav-btn.accent-btn:hover { opacity: 0.88; }
.runner-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(57,255,110,0.25);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
}
.runner-badge.off { background: var(--bg-card); border-color: rgba(255,255,255,0.1); color: var(--fg-muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); display: inline-block; }
.dot.off { background: var(--fg-muted); }

/* === MAIN CONTENT === */
.app-main { flex: 1; padding: 24px 20px; max-width: 900px; margin: 0 auto; width: 100%; }

/* === PANELS === */
.panel { display: none; }
.panel.active { display: block; }

/* === BOARD HEADER === */
.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.board-header h2 { font-size: 1.5rem; }
.board-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover, .filter-btn.active { color: var(--fg); border-color: var(--accent); }

/* === REQUEST CARDS === */
.requests-grid { display: flex; flex-direction: column; gap: 12px; }
.request-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
  position: relative;
}
.request-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.card-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; }
.card-price {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}
.card-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.chip {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.chip-asap { background: var(--red-dim); color: var(--red); }
.chip-urgent { background: var(--warm-dim); color: var(--warm); }
.chip-normal { background: var(--bg-elevated); color: var(--fg-muted); }
.chip-food { background: var(--accent-dim); color: var(--accent); }
.chip-tech { background: var(--cyan-dim); color: var(--cyan); }
.chip-supplies { background: var(--purple-dim); color: var(--purple); }
.chip-snacks { background: rgba(255,215,0,0.15); color: #ffd700; }
.chip-drinks { background: var(--cyan-dim); color: var(--cyan); }
.chip-other { background: var(--bg-elevated); color: var(--fg-muted); }
.card-locations { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 12px; }
.card-locations span { margin-right: 8px; }
.card-footer { display: flex; justify-content: space-between; align-items: center; }
.card-requester { font-size: 0.82rem; color: var(--fg-muted); }
.card-requester strong { color: var(--fg); }
.claim-btn {
  background: var(--accent);
  color: #000;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
}
.status-chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}
.status-open { background: var(--accent-dim); color: var(--accent); }
.status-claimed { background: var(--cyan-dim); color: var(--cyan); }
.status-in_progress { background: var(--warm-dim); color: var(--warm); }
.status-delivered { background: var(--purple-dim); color: var(--purple); }
.status-completed { background: rgba(255,255,255,0.08); color: var(--fg-muted); }
.status-cancelled { background: var(--red-dim); color: var(--red); }
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--fg-muted);
}
.empty-state h3 { margin-bottom: 8px; color: var(--fg); }

/* === MODAL === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal h2 { font-size: 1.3rem; margin-bottom: 20px; }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--bg-elevated);
  color: var(--fg-muted);
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--fg); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--fg-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-primary { background: var(--accent); color: #000; width: 100%; padding: 12px; font-size: 1rem; margin-top: 4px; }
.btn-secondary { background: var(--bg-elevated); color: var(--fg); width: 100%; padding: 12px; }
.btn-danger { background: var(--red-dim); color: var(--red); border: 1px solid rgba(244,63,94,0.3); }

/* === AUTH MODAL === */
.auth-tabs { display: flex; gap: 2px; margin-bottom: 20px; background: var(--bg-elevated); border-radius: var(--radius-sm); padding: 3px; }
.auth-tab {
  flex: 1; text-align: center; padding: 8px; border-radius: 6px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  background: transparent; color: var(--fg-muted);
  transition: all 0.15s;
}
.auth-tab.active { background: var(--bg-card); color: var(--fg); }
.auth-form { display: none; }
.auth-form.active { display: block; }
.edu-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  background: var(--accent-dim);
  border: 1px solid rgba(57,255,110,0.15);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 16px;
}
.edu-note strong { color: var(--accent); }

/* === REQUEST DETAIL === */
.request-detail { max-width: 640px; }
.detail-header { margin-bottom: 24px; }
.detail-price { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--accent); }
.detail-section { margin-bottom: 20px; }
.detail-section h4 { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); margin-bottom: 8px; }
.detail-section p { color: var(--fg); }
.participants { display: flex; gap: 16px; flex-wrap: wrap; }
.participant-card {
  flex: 1;
  min-width: 140px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.participant-name { font-weight: 600; margin-bottom: 4px; }
.participant-rating { font-size: 0.85rem; color: var(--fg-muted); }
.participant-rating span { color: #ffd700; }
.action-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.action-bar button { flex: 1; min-width: 120px; }

/* === CHAT === */
.chat-window {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  max-height: 600px;
}
.chat-header {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-weight: 600;
  font-size: 0.95rem;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.chat-bubble.mine {
  background: var(--accent);
  color: #000;
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}
.chat-bubble.theirs {
  background: var(--bg-elevated);
  color: var(--fg);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}
.bubble-name { font-size: 0.72rem; font-weight: 600; margin-bottom: 3px; opacity: 0.7; }
.bubble-time { font-size: 0.7rem; opacity: 0.6; margin-top: 4px; }
.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.chat-input-bar input { flex: 1; }
.chat-send { background: var(--accent); color: #000; padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 700; }

/* === RATING STARS === */
.stars { display: flex; gap: 4px; }
.star { font-size: 1.5rem; cursor: pointer; color: var(--bg-elevated); transition: color 0.1s; }
.star.lit, .star:hover, .star:hover ~ .star { color: #ffd700; }
.stars:hover .star { color: #ffd700; }
.stars .star:hover ~ .star { color: var(--bg-elevated); }

/* === TOAST === */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 0.85rem;
  max-width: 300px;
  animation: slideIn 0.2s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.toast.success { border-color: var(--accent); }
.toast.error { border-color: var(--red); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* === RUNNER PRO === */
.pro-banner {
  background: linear-gradient(135deg, var(--bg-card), rgba(57,255,110,0.05));
  border: 1px solid rgba(57,255,110,0.15);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.pro-banner h3 { font-size: 1rem; margin-bottom: 4px; }
.pro-banner p { font-size: 0.85rem; color: var(--fg-muted); }
.pro-btn { background: var(--accent); color: #000; font-weight: 700; white-space: nowrap; padding: 10px 20px; }

/* === PROFILE === */
.profile-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.profile-name { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.profile-campus { color: var(--fg-muted); margin-bottom: 16px; }
.profile-stats { display: flex; gap: 24px; flex-wrap: wrap; }
.profile-stat { text-align: center; }
.profile-stat-val { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--accent); }
.profile-stat-lbl { font-size: 0.78rem; color: var(--fg-muted); }
.verify-banner {
  background: var(--warm-dim);
  border: 1px solid rgba(255,107,61,0.3);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--warm);
  margin-bottom: 16px;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .app-main { padding: 16px 14px; }
  .form-row { grid-template-columns: 1fr; }
  .board-header { flex-direction: column; align-items: flex-start; }
  .modal { padding: 20px; }
  .action-bar { flex-direction: column; }
  .pro-banner { flex-direction: column; align-items: flex-start; }
  .nav-btn span { display: none; }
}