/* ============================================================
   MEZUN & EĞİTİMCİ PORTALI — ANA STİL DOSYASI
   Modern, Mobil Öncelikli Tasarım
   ============================================================ */

:root {
  --primary:   #2563eb;
  --primary-d: #1a3c6e;
  --success:   #16a34a;
  --warning:   #ca8a04;
  --danger:    #dc2626;
  --text-main: #1e293b;
  --text-muted:#64748b;
  --bg-light:  #f8fafc;
  --border:    #e2e8f0;
  --radius:    .75rem;
  --shadow:    0 2px 12px rgba(0,0,0,.07);
  --shadow-md: 0 4px 24px rgba(0,0,0,.12);
}

/* ── Base ── */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-light);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
img { max-width: 100%; }

/* ── Navbar ── */
.portal-navbar {
  background: linear-gradient(135deg, var(--primary-d) 0%, var(--primary) 100%);
  padding: .5rem 0;
}
.portal-navbar .navbar-brand { color: #fff !important; font-size: 1.15rem; letter-spacing: .3px; }
.portal-navbar .brand-icon { font-size: 1.4rem; }
.portal-navbar .nav-link { color: rgba(255,255,255,.85) !important; font-size: .88rem; border-radius: .4rem; padding: .38rem .65rem !important; transition: background .15s; }
.portal-navbar .nav-link:hover,
.portal-navbar .nav-link.active { background: rgba(255,255,255,.15); color: #fff !important; }
.portal-navbar .dropdown-menu { border: none; box-shadow: var(--shadow-md); border-radius: var(--radius); padding: .4rem; }
.portal-navbar .dropdown-item { border-radius: .4rem; font-size: .88rem; padding: .45rem .75rem; }
.portal-navbar .dropdown-item:hover { background: #f1f5f9; }
.portal-navbar .btn-primary { font-size: .84rem; }

/* ── Welcome Banner ── */
.welcome-banner {
  background: linear-gradient(135deg, var(--primary-d) 0%, var(--primary) 60%, #3b82f6 100%);
  color: #fff;
}

/* ── Stat Cards ── */
.stat-card { background: #fff; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; }

/* ── Quick Links ── */
.quick-link-card { transition: all .2s; background: #fff; }
.quick-link-card:hover { background: var(--bg-light); border-color: var(--primary) !important; }
.quick-link-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }

/* ── Cards ── */
.card { box-shadow: var(--shadow); }
.hover-lift { transition: transform .2s, box-shadow .2s; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-md) !important; }
.hover-bg { transition: background .15s; }
.hover-bg:hover { background: #f1f5f9 !important; }

/* ── Member Cards ── */
.member-card { transition: transform .2s, box-shadow .2s; }
.member-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md) !important; }
.member-mini-card { transition: all .15s; background: #fff; }
.member-mini-card:hover { background: #eff6ff; border-color: var(--primary) !important; }
.member-row:last-child { border-bottom: none !important; }

/* ── Profile ── */
.profile-bg-banner {
  height: 80px;
  background: linear-gradient(135deg, var(--primary-d), var(--primary));
}
.profile-avatar-wrap {
  width: 96px; height: 96px;
  margin-top: -48px;
}

/* ── Gallery ── */
.gallery-img-wrap { position: relative; overflow: hidden; }
.gallery-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .2s;
}
.gallery-card:hover .gallery-overlay { opacity: 1; }

/* ── Tribute ── */
.tribute-card { border-left: 4px solid #f87171 !important; }
.blockquote-light { border-left: 3px solid #e2e8f0; padding-left: 1rem; color: var(--text-muted); font-size: .9rem; }

/* ── Messages ── */
.message-bubble { word-break: break-word; }

/* ── Announcements ── */
.ann-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* ── Poll ── */
.poll-mini { transition: all .15s; }
.poll-mini:hover { border-color: var(--warning) !important; background: #fefce8; }

/* ── Footer ── */
.portal-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .85rem;
  transition: color .15s;
}
.footer-link:hover { color: var(--primary); }

/* ── Alerts ── */
.alert { border-radius: var(--radius); font-size: .9rem; }
.alert-dismissible .btn-close { padding: .65rem .85rem; }

/* ── Forms ── */
.form-control, .form-select {
  border-radius: .5rem;
  border-color: var(--border);
  font-size: .9rem;
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.input-group .form-control { border-radius: .5rem !important; }
.input-group .input-group-text { border-radius: .5rem 0 0 .5rem !important; border-color: var(--border); }
.input-group .form-control { border-radius: 0 !important; }
.input-group .btn { border-radius: 0 .5rem .5rem 0 !important; }

/* ── Buttons ── */
.btn { border-radius: .5rem; font-size: .88rem; font-weight: 500; transition: all .15s; }
.btn-lg { font-size: 1rem; padding: .65rem 1.5rem; }
.btn-sm { font-size: .8rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; }

/* ── Badges ── */
.badge { font-weight: 500; }

/* ── Tables ── */
.table th { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.table td { font-size: .88rem; vertical-align: middle; }

/* ── Pagination ── */
.pagination .page-link { border-radius: .4rem !important; margin: 0 .15rem; font-size: .85rem; color: var(--primary); border-color: var(--border); }
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); }

/* ── Scrollbar (WebKit) ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── Loading Skeleton (opsiyonel) ── */
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* ============================================================
   MOBİL UYUMLULUK (Mobile First)
   ============================================================ */
@media (max-width: 575.98px) {
  .portal-navbar .navbar-brand span:last-child { font-size: .95rem; }
  .welcome-banner { padding: 1rem !important; }
  .welcome-banner h4 { font-size: 1.1rem; }
  .container-xl { padding-left: 1rem; padding-right: 1rem; }
  .card-body { padding: 1rem; }
  h4.fw-bold { font-size: 1.1rem; }
  .stat-card .fs-4 { font-size: 1.3rem !important; }
  .quick-link-card .small { font-size: .78rem !important; }
  .member-card .fw-bold { font-size: .85rem; }
  .gallery-card .card-img-top { height: 140px !important; }
  .profile-bg-banner { height: 60px; }
  .profile-avatar-wrap { margin-top: -30px; }
}

@media (max-width: 767.98px) {
  .table-responsive { font-size: .82rem; }
  .btn-group .btn { padding: .3rem .5rem; }
}