/* ===================================================================
   MSGSÜ MEZUN BİLGİ SİSTEMİ — KURUMSAL WEB ARAYÜZÜ STİLLERİ
   Mimar Sinan Güzel Sanatlar Üniversitesi
   =================================================================== */

:root {
  --msgsu-navy: #06038D;
  --msgsu-navy-light: #004ad7;
  --msgsu-navy-dark: #04025b;
  --msgsu-burgundy: #800020;
  --msgsu-burgundy-light: #990026;
  --msgsu-gold: #c5a059;
  --msgsu-gold-light: #dfbe7d;
  
  --bg-main: #f2f4f7;
  --bg-card: #ffffff;
  --bg-muted: #e9ecef;
  --border-color: #dee2e6;
  --border-focus: #004ad7;

  --text-primary: #151515;
  --text-secondary: #475569;
  --text-muted: #6c757d;
  --text-light: #ffffff;

  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --danger: #dc3545;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --info: #004ad7;
  --info-bg: #eff6ff;
  --info-border: #bfdbfe;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(6 3 141 / 0.1), 0 4px 6px -4px rgb(6 3 141 / 0.06);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===================================================================
   Header & Navigation
   =================================================================== */

.navbar {
  background-color: var(--msgsu-navy);
  color: var(--text-light);
  border-bottom: 2px solid var(--msgsu-gold);
  box-shadow: 0 4px 12px rgba(6, 3, 141, 0.25);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--text-light);
}

.brand-logo-owl {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.brand-logo-owl:hover {
  transform: translateY(-1px) scale(1.04);
}

.brand-owl-img {
  height: 40px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
}

.brand-logo {
  width: 44px;
  height: 44px;
  background: radial-gradient(circle, var(--msgsu-gold) 0%, var(--msgsu-burgundy) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  border: 2px solid var(--msgsu-gold-light);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
}

.brand-title span {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-title small {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--msgsu-gold-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: #e2e8f0;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-light);
  background-color: rgba(255, 255, 255, 0.12);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge {
  background: rgba(255, 255, 255, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #f1f5f9;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===================================================================
   Layout & Container
   =================================================================== */

.main-content {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.page-header {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--msgsu-navy);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===================================================================
   Cards & Panels
   =================================================================== */

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--msgsu-navy);
}

/* ===================================================================
   MSGSÜ Hero Banner & Landing
   =================================================================== */

.hero-landing {
  background: linear-gradient(135deg, #06038D 0%, #03014a 60%, #4a0013 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 36px -10px rgba(6, 3, 141, 0.35);
  margin-bottom: 2rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-landing::before {
  content: "";
  position: absolute;
  right: -50px;
  top: -30px;
  width: 380px;
  height: 380px;
  background-image: url('/img/msgsu-owl-twotone.svg');
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.07;
  pointer-events: none;
}

.hero-content {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-owl-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-owl-badge-img {
  height: 24px;
  width: auto;
}

.hero-owl-badge span {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #ffffff;
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.08rem;
  color: #e2e8f0;
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.process-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.process-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.process-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--msgsu-navy);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 8px rgba(6, 3, 141, 0.25);
}

/* ===================================================================
   Stat Cards (Dashboard)
   =================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--stat-color, var(--msgsu-navy));
}

.stat-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ===================================================================
   Status Stepper & Timeline
   =================================================================== */

.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 2rem 0;
  position: relative;
}

.stepper::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 3rem;
  right: 3rem;
  height: 3px;
  background-color: var(--border-color);
  z-index: 1;
  transform: translateY(-50%);
}

.step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 3px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.step-item.completed .step-circle {
  background-color: var(--success);
  border-color: var(--success);
  color: #fff;
}

.step-item.active .step-circle {
  background-color: var(--msgsu-navy);
  border-color: var(--msgsu-gold);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.25);
}

.step-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  max-width: 120px;
}

.step-item.active .step-label {
  color: var(--msgsu-navy);
  font-weight: 700;
}

/* ===================================================================
   Badges
   =================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-pending {
  background-color: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-border);
}

.badge-review {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.badge-approved, .badge-success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-rejected, .badge-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.badge-printed {
  background-color: #f3e8ff;
  color: #7e22ce;
  border: 1px solid #d8b4fe;
}

/* ===================================================================
   Forms & Controls
   =================================================================== */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-control:disabled, .form-control[readonly] {
  background-color: var(--bg-muted);
  color: var(--text-muted);
  cursor: not-allowed;
}

.form-help {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===================================================================
   Buttons
   =================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--msgsu-navy);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--msgsu-navy-light);
}

.btn-burgundy {
  background-color: var(--msgsu-burgundy);
  color: #fff;
}

.btn-burgundy:hover {
  background-color: var(--msgsu-burgundy-light);
}

.btn-success {
  background-color: var(--success);
  color: #fff;
}

.btn-success:hover {
  background-color: #059669;
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* ===================================================================
   Alerts & Notifications
   =================================================================== */

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
}

.alert-info {
  background-color: var(--info-bg);
  border: 1px solid var(--info-border);
  color: #0369a1;
}

.alert-warning {
  background-color: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: #b45309;
}

.alert-success {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: #047857;
}

.alert-danger {
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: #b91c1c;
}

/* ===================================================================
   Tables
   =================================================================== */

.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.table th {
  background-color: var(--bg-muted);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: #f8fafc;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ===================================================================
   Modals
   =================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
  padding: 1rem;
}

.modal {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--msgsu-navy);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 1.5rem;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: var(--bg-muted);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

/* ===================================================================
   Alumni Card Design (Digital Preview)
   =================================================================== */

.alumni-card-preview {
  width: 100%;
  max-width: 420px;
  height: 260px;
  border-radius: 16px;
  background: linear-gradient(135deg, #06038D 0%, #080b3b 55%, #4a0013 100%);
  color: #fff;
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 32px -8px rgba(6, 3, 141, 0.45), 0 0 0 1px rgba(197, 160, 89, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 0 auto;
}

/* MSGSÜ Baykuş Filigranı */
.alumni-card-preview::before {
  content: "";
  position: absolute;
  right: -25px;
  bottom: -20px;
  width: 220px;
  height: 180px;
  background-image: url('/img/msgsu-owl-twotone.svg');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
}

/* Yaldız Detay Şeridi */
.alumni-card-preview::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--msgsu-gold) 0%, var(--msgsu-gold-light) 50%, var(--msgsu-gold) 100%);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1;
}

.card-top-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-top-owl {
  height: 22px;
  width: auto;
}

.card-top-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #ffffff;
  text-transform: uppercase;
}

.card-top-badge {
  font-size: 0.68rem;
  color: var(--msgsu-gold-light);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(223, 190, 125, 0.5);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
}

.card-body-content {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  z-index: 1;
  margin: 0.5rem 0;
}

.card-photo-box {
  width: 78px;
  height: 98px;
  background: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--msgsu-gold-light);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-photo-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-alumni-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.card-alumni-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #ffffff;
}

.card-alumni-dept {
  font-size: 0.8rem;
  color: #e2e8f0;
  font-weight: 500;
}

.card-alumni-year {
  font-size: 0.78rem;
  color: var(--msgsu-gold-light);
  font-weight: 700;
}

.card-footer-content {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 0.6rem;
  font-size: 0.72rem;
  color: #cbd5e1;
  z-index: 1;
}

.card-barcode {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Courier, monospace;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: var(--msgsu-gold-light);
  font-size: 0.82rem;
}

/* ===================================================================
   Footer
   =================================================================== */

.footer {
  background-color: var(--msgsu-navy-dark);
  color: #94a3b8;
  padding: 2rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
  font-size: 0.85rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ===================================================================
   Responsive Media Queries
   =================================================================== */

@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    gap: 0.75rem;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .stepper {
    flex-direction: column;
    gap: 1.5rem;
  }
  .stepper::before {
    display: none;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}