/* Campus Recruitment — professional business UI */
:root {
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-text: #1a1d21;
  --color-muted: #5c6370;
  --color-border: #e4e7ec;
  --color-primary: #0f4c81;
  --color-primary-hover: #0d3f6b;
  --color-accent: #c9a227;
  --color-success: #0d7a5c;
  --color-warning: #b8860b;
  --color-danger: #b42318;
  --sidebar-bg: #0f172a;
  --sidebar-text: #e2e8f0;
  --sidebar-muted: #94a3b8;
  --sidebar-active: #1e3a5f;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  min-height: 100vh;
}

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

img { max-width: 100%; height: auto; }

/* ——— Landing ——— */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.landing-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo-mark {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
  text-decoration: none;
}
.logo-mark:hover { text-decoration: none; }
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), #1a6cb5);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.nav-links a.btn-ghost {
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}
.nav-links a.btn-ghost:hover { background: var(--color-bg); }

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 45%, #0f4c81 100%);
  color: #fff;
  padding: 4.5rem 1.5rem 5rem;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.9;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-cta { justify-content: center; }
}
.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.hero-lead {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 32rem;
  margin: 0 0 1.75rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 1.75rem;
  backdrop-filter: blur(8px);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}
.hero-stat-num { font-size: 1.75rem; font-weight: 700; color: #fff; }
.hero-stat-label { font-size: 0.8rem; opacity: 0.85; margin-top: 0.25rem; }

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.section-title {
  font-size: 1.65rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.section-sub {
  color: var(--color-muted);
  margin: 0 0 2rem;
  max-width: 36rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #e8f1fb, #d4e5f7);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}
.feature-card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.feature-card p { margin: 0; color: var(--color-muted); font-size: 0.95rem; }

.cta-band {
  background: linear-gradient(90deg, var(--color-primary), #1a5f8a);
  color: #fff;
  padding: 3rem 1.5rem;
  text-align: center;
}
.cta-band h2 { margin: 0 0 0.75rem; font-size: 1.5rem; }
.cta-band p { margin: 0 0 1.25rem; opacity: 0.95; }

.landing-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ——— Buttons & forms ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg); color: var(--color-primary); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.card-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 1rem; }

.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 640px) { .form-row-2 { grid-template-columns: 1fr; } }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.alert-success { background: #e7f5f0; color: #0a5c44; border: 1px solid #b8e0d2; }
.alert-error { background: #fdeeee; color: #8a1c15; border: 1px solid #f5c4c0; }
.alert-info { background: #e8f1fb; color: #0f4c81; border: 1px solid #c5daf0; }

/* ——— Dashboard shell ——— */
.dashboard-wrap {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar-brand a {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.sidebar-brand a:hover { color: #fff; text-decoration: none; }
.sidebar-nav { padding: 1rem 0.75rem; flex: 1; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  color: var(--sidebar-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  margin-bottom: 2px;
}
.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  text-decoration: none;
}
.sidebar-nav a.active {
  background: var(--sidebar-active);
  color: #fff;
}
.sidebar-nav .nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-muted);
  padding: 0.75rem 0.85rem 0.35rem;
}
.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: var(--sidebar-muted);
}
.main-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.top-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.top-bar h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}
.top-bar-actions { display: flex; align-items: center; gap: 0.75rem; }
.content-padding { padding: 1.5rem; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}
.stat-card .label {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}
.stat-card .value { font-size: 1.65rem; font-weight: 700; color: var(--color-primary); }

.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
table.data-table th,
table.data-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
table.data-table th {
  background: #f8fafc;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-muted);
}
table.data-table tr:hover td { background: #fafbfc; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: #e7f5f0; color: var(--color-success); }
.badge-warning { background: #fdf6e3; color: var(--color-warning); }
.badge-danger { background: #fdeeee; color: var(--color-danger); }
.badge-muted { background: #eef1f5; color: var(--color-muted); }
.badge-primary { background: #e8f1fb; color: var(--color-primary); }

.pagination { margin-top: 1rem; display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: linear-gradient(160deg, #e8f1fb 0%, var(--color-bg) 50%);
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  padding: 2rem;
}
.auth-card h1 { margin: 0 0 0.5rem; font-size: 1.45rem; }
.auth-card .sub { color: var(--color-muted); margin: 0 0 1.5rem; font-size: 0.95rem; }

.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--color-muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-end;
}
.filters .form-group { margin-bottom: 0; min-width: 140px; }

@media (max-width: 960px) {
  .dashboard-wrap { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .sidebar-nav { display: flex; flex-wrap: wrap; gap: 0.25rem; }
  .sidebar-nav .nav-section { width: 100%; }
}