/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:        #2e7d32;
  --green-light:  #e8f5e9;
  --green-dark:   #1b5e20;
  --orange:       #e65100;
  --orange-light: #fff3e0;
  --orange-dark:  #bf360c;
  --white:        #ffffff;
  --gray-50:      #f9fafb;
  --gray-100:     #f3f4f6;
  --gray-200:     #e5e7eb;
  --gray-400:     #9ca3af;
  --gray-600:     #4b5563;
  --gray-800:     #1f2937;
  --danger:       #dc2626;
  --danger-light: #fee2e2;
  --success:      #16a34a;
  --success-light:#dcfce7;
  --warning:      #d97706;
  --warning-light:#fef3c7;
  --info:         #2563eb;
  --info-light:   #dbeafe;
  --sidebar-w:    240px;
  --topbar-h:     56px;
  --radius:       8px;
  --shadow:       0 1px 3px rgba(0,0,0,0.08);
}

/* Role-based accent colour */
.role-admin     { --accent: var(--green);       --accent-light: var(--green-light);  --accent-dark: var(--green-dark); }
.role-recruiter { --accent: var(--orange);      --accent-light: var(--orange-light); --accent-dark: var(--orange-dark); }
.role-guest     { --accent: var(--green);       --accent-light: var(--green-light);  --accent-dark: var(--green-dark); }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  color: var(--gray-800);
  background: var(--gray-100);
  line-height: 1.5;
}

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

/* ── Auth pages ───────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  padding: 1.5rem;
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.auth-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.auth-sub {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.auth-link {
  text-align: center;
  font-size: 0.85rem;
  margin-top: 1rem;
  color: var(--gray-600);
}

/* ── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 0.35rem;
}

.label-hint {
  font-weight: 400;
  color: var(--gray-400);
  font-size: 0.78rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color 0.15s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover { opacity: 0.88; }

.btn-secondary {
  background: var(--white);
  color: var(--gray-800);
  border-color: var(--gray-200);
}
.btn-secondary:hover { background: var(--gray-100); }

.btn-danger {
  background: var(--danger);
  color: var(--white);
  border-color: var(--danger);
}
.btn-danger:hover { opacity: 0.88; }

.btn-full { width: 100%; justify-content: center; margin-top: 0.5rem; }
.btn-sm   { padding: 0.35rem 0.75rem; font-size: 0.82rem; }

/* ── Flash messages ───────────────────────────────────────── */
.flash-messages { margin-bottom: 1rem; }

.flash {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  border-left: 3px solid currentColor;
}

.flash-success  { background: var(--success-light); color: var(--success); }
.flash-danger   { background: var(--danger-light);  color: var(--danger);  }
.flash-warning  { background: var(--warning-light); color: var(--warning); }
.flash-info     { background: var(--info-light);    color: var(--info);    }

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform 0.25s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  height: var(--topbar-h);
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--gray-600);
  padding: 0.25rem;
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  color: var(--gray-600);
  transition: background 0.12s, color 0.12s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--accent-light);
  color: var(--accent);
  text-decoration: none;
}

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}

.nav-icon { font-size: 0.7rem; }

.sidebar-footer {
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px solid var(--gray-200);
}

.user-info {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.5rem;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}

.logout-btn {
  font-size: 0.82rem;
  color: var(--gray-400);
}
.logout-btn:hover { color: var(--danger); text-decoration: none; }

/* ── Main layout ──────────────────────────────────────────── */
.main-wrap {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}
.hamburger span {
  width: 20px; height: 2px;
  background: var(--gray-600);
  border-radius: 2px;
  display: block;
}

.page-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
}

.content { padding: 1.5rem; flex: 1; }

/* ── Dashboard stats ──────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--gray-600);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

/* ── Panels ───────────────────────────────────────────────── */
.dashboard-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.panel {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.panel-header {
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-800);
}

.panel-body { padding: 1rem 1.25rem; }

.empty-state {
  color: var(--gray-400);
  font-size: 0.875rem;
  text-align: center;
  padding: 2rem 1rem;
}

/* ── Sidebar overlay ──────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 199;
}

/* ── Mobile ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.12);
  }
  .sidebar-close { display: block; }
  .sidebar-overlay.open { display: block; }
  .main-wrap { margin-left: 0; }
  .hamburger { display: flex; }
  .content { padding: 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 1.75rem 1.25rem; }
}