:root {
  --navy: #0f2545;
  --navy-light: #16345f;
  --accent: #ff7a3d;
  --accent-dark: #e0632a;
  --bg: #f7f8fb;
  --card: #ffffff;
  --border: #e3e6ee;
  --text: #1c2534;
  --text-muted: #667085;
  --success: #1a8a5f;
  --warning: #b5750a;
  --danger: #c53030;
  --radius: 12px;
  --sidebar-width: 230px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--navy); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar — a fixed left sidebar on wide viewports (see the body/main rule below for the
   matching content offset), collapsing back to a plain top bar on narrow ones since a
   permanent sidebar doesn't work well on small phone-width screens. */
.navbar {
  background: var(--navy);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  z-index: 100;
}
.navbar .container {
  max-width: none;
  margin: 0;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
  height: 100%;
}
.navbar .brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar .brand .dot { color: var(--accent); }
.navbar nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}
.navbar nav a {
  color: #d8e0f0;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 10px 12px;
  border-radius: 8px;
  width: 100%;
}
.navbar nav a:hover, .navbar nav a.active { color: #fff; background: rgba(255, 255, 255, 0.09); }

/* Push all normal page content clear of the fixed sidebar. */
body { padding-left: var(--sidebar-width); }

@media (max-width: 880px) {
  :root { --sidebar-width: 0px; }
  .navbar {
    position: static;
    width: auto;
    bottom: auto;
    overflow-y: visible;
  }
  .navbar .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 16px 20px;
    gap: 12px;
    height: auto;
  }
  .navbar nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 18px;
    width: auto;
  }
  .navbar nav a { padding: 0; border-radius: 0; }
  .navbar nav a:hover, .navbar nav a.active { background: none; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 64px 0 80px;
}
.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 14px;
  max-width: 640px;
}
.hero p.lead {
  font-size: 1.1rem;
  color: #cdd8ee;
  max-width: 560px;
  margin: 0 0 28px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.stat-row { display: flex; gap: 28px; margin-top: 8px; flex-wrap: wrap; }
.stat-row .stat b { display: block; font-size: 1.5rem; }
.stat-row .stat span { color: #b6c4de; font-size: 0.85rem; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.section { padding: 56px 0; }
.section h2 {
  font-size: 1.6rem;
  margin: 0 0 8px;
}
.section p.sub {
  color: var(--text-muted);
  margin: 0 0 28px;
  max-width: 640px;
}

/* Forms */
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 14px 0 6px;
  color: var(--text);
}
label:first-child { margin-top: 0; }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 122, 61, 0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}
.btn.secondary:hover { background: var(--navy); color: #fff; }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Grid of university cards */
.uni-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.uni-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.uni-card .badge {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.uni-card h3 { margin: 4px 0 2px; font-size: 1.05rem; }
.uni-card .loc { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 10px; }
.course-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}
.course-row .name { font-weight: 600; }
.course-row .meta { color: var(--text-muted); font-size: 0.78rem; }

/* Match result cards */
.match-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  background: #fff;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
}
.match-card .score-pill {
  background: var(--success);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.match-card ul { margin: 8px 0 0; padding-left: 18px; font-size: 0.85rem; }
.match-card ul.warnings li { color: var(--warning); }
.match-card ul.reasons li { color: var(--success); }

/* Stage tracker */
.stage-tracker { display: flex; flex-wrap: wrap; gap: 0; margin: 20px 0; }
.stage-step {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 10px 6px;
  border-bottom: 4px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}
.stage-step.done { border-color: var(--success); color: var(--success); }
.stage-step.current { border-color: var(--accent); color: var(--accent-dark); }
.stage-step.rejected { border-color: var(--danger); color: var(--danger); }

/* Chat */
.chat-thread {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  max-height: 360px;
  overflow-y: auto;
  background: #fbfbfd;
  margin-bottom: 14px;
}
.chat-msg { margin-bottom: 12px; max-width: 80%; }
.chat-msg .bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
}
.chat-msg.student { margin-left: auto; text-align: right; }
.chat-msg.student .bubble { background: var(--accent); color: #fff; border-bottom-right-radius: 2px; }
.chat-msg.staff .bubble { background: #eef1f8; color: var(--text); border-bottom-left-radius: 2px; }
.chat-msg .meta { font-size: 0.7rem; color: var(--text-muted); margin-top: 3px; }

/* Notification list */
.notif-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.notif-item .time { color: var(--text-muted); font-size: 0.75rem; }

/* Alerts / toast */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.alert.success { background: #e5f6ee; color: var(--success); border: 1px solid #b9e6d0; }
.alert.error { background: #fdecec; color: var(--danger); border: 1px solid #f6c6c6; }
.alert.info { background: #eaf1fb; color: var(--navy); border: 1px solid #cddcf3; }

footer, #footer {
  background: var(--navy);
  color: #b6c4de;
  padding: 30px 0;
  margin-top: 60px;
  font-size: 0.85rem;
  text-align: center;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.small { font-size: 0.8rem; color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.center { text-align: center; }