/* ============================================================
   isimizegitim.net - Ana Stil Dosyası
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;600;700;800&display=swap');

/* ---- CSS Değişkenleri ---- */
:root {
  --primary:       #3B6FE4;
  --primary-dark:  #2A57C7;
  --primary-light: #6690F0;
  --accent:        #F97316;
  --accent-dark:   #EA6A0A;
  --success:       #22C55E;
  --warning:       #F59E0B;
  --danger:        #EF4444;
  --info:          #3B82F6;

  --bg:            #0D1117;
  --bg-card:       #161C27;
  --bg-surface:    #1E2736;
  --bg-hover:      #252E40;
  --border:        rgba(255,255,255,0.08);
  --border-focus:  rgba(59,111,228,0.6);

  --text-primary:  #F0F4FF;
  --text-secondary:#94A3B8;
  --text-muted:    #64748B;

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:     0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:     0 10px 40px rgba(0,0,0,0.6);
  --shadow-glow:   0 0 30px rgba(59,111,228,0.2);

  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     16px;
  --radius-xl:     24px;

  --font-sans:     'Inter', system-ui, sans-serif;
  --font-display:  'Poppins', system-ui, sans-serif;

  --transition:    all 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-lg: all 0.35s cubic-bezier(0.4,0,0.2,1);

  --sidebar-w:     260px;
  --header-h:      64px;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   LOGIN SAYFASI
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 80% at 50% -20%, rgba(59,111,228,0.25) 0%, transparent 60%),
              radial-gradient(ellipse 60% 60% at 80% 100%, rgba(249,115,22,0.12) 0%, transparent 50%),
              var(--bg);
}

/* Animasyonlu arka plan grid */
.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,111,228,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,111,228,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
  pointer-events: none;
}

.login-container {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
  box-shadow: 0 8px 32px rgba(59,111,228,0.35);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.login-logo h1 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 30%, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
  font-style: italic;
  letter-spacing: 0.5px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  opacity: 0.7;
}

.login-card h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-card p.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}

/* ============================================================
   FORM ELEMENTLERİ
   ============================================================ */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
  transition: var(--transition);
  pointer-events: none;
}

.form-control {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: var(--bg-hover);
  box-shadow: 0 0 0 3px rgba(59,111,228,0.15);
}

.form-control:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
  color: var(--primary-light);
}

.form-control::placeholder { color: var(--text-muted); }

.form-control.no-icon { padding-left: 14px; }

/* Şifre göster/gizle */
.toggle-password {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  transition: var(--transition);
}

.toggle-password:hover { color: var(--text-primary); }

/* ============================================================
   BUTONLAR
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 15px rgba(59,111,228,0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,111,228,0.5);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
}
.btn-accent:hover { transform: translateY(-1px); color: #fff; }

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.25);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }

.btn-success {
  background: rgba(34,197,94,0.15);
  color: var(--success);
  border: 1px solid rgba(34,197,94,0.25);
}
.btn-success:hover { background: rgba(34,197,94,0.25); }

.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: var(--radius-md); }
.btn-full { width: 100%; }
.btn-icon { padding: 10px; min-width: auto; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* Loading spinner */
.btn.loading .btn-text { opacity: 0; }
.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   ALERT / BİLDİRİM
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-error   { background: rgba(239,68,68,0.12);  border: 1px solid rgba(239,68,68,0.25);  color: #FCA5A5; }
.alert-success { background: rgba(34,197,94,0.12);  border: 1px solid rgba(34,197,94,0.25);  color: #86EFAC; }
.alert-warning { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.25); color: #FCD34D; }
.alert-info    { background: rgba(59,130,246,0.12); border: 1px solid rgba(59,130,246,0.25); color: #93C5FD; }

/* ============================================================
   DASHBOARD LAYOUT
   ============================================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition-lg);
}

.sidebar-header {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59,111,228,0.3);
}

.sidebar-brand h2 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.sidebar-brand span {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 12px 8px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  margin-bottom: 2px;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(59,111,228,0.15);
  color: var(--primary-light);
  border-color: rgba(59,111,228,0.2);
}

.nav-item .nav-icon { font-size: 18px; flex-shrink: 0; }
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
}

.user-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-info .user-name { font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-info .user-role { font-size: 11px; color: var(--text-muted); }

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.role-admin    { background: rgba(249,115,22,0.2); color: var(--accent); border: 1px solid rgba(249,115,22,0.3); }
.role-yonetici { background: rgba(59,111,228,0.2); color: var(--primary-light); border: 1px solid rgba(59,111,228,0.3); }

/* Main İçerik */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Top Header */
.top-header {
  height: var(--header-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-title h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.header-title p {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

/* Page Content */
.page-content {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
}

/* ============================================================
   KARTLAR
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title .card-icon {
  width: 32px; height: 32px;
  background: rgba(59,111,228,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* İstatistik kartları */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.stat-card.blue::before   { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.stat-card.orange::before { background: linear-gradient(90deg, var(--accent), #FBBF24); }
.stat-card.green::before  { background: linear-gradient(90deg, var(--success), #4ADE80); }
.stat-card.purple::before { background: linear-gradient(90deg, #8B5CF6, #A78BFA); }

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.blue   { background: rgba(59,111,228,0.15); }
.stat-icon.orange { background: rgba(249,115,22,0.15); }
.stat-icon.green  { background: rgba(34,197,94,0.15); }
.stat-icon.purple { background: rgba(139,92,246,0.15); }

.stat-info .value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-info .label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ============================================================
   TABLO
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: var(--bg-surface);
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }

tbody td {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-primary);
  vertical-align: middle;
}

.td-muted { color: var(--text-secondary) !important; font-size: 13px !important; }

/* Durum badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.badge-active   { background: rgba(34,197,94,0.12); color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.badge-passive  { background: rgba(100,116,139,0.15); color: var(--text-muted); border: 1px solid rgba(100,116,139,0.25); }
.badge-warning  { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }

/* Aksiyon butonları */
.action-group { display: flex; align-items: center; gap: 6px; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px) scale(0.97); } to { opacity: 1; transform: none; } }

.modal-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.modal-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.modal-header h3 { font-size: 18px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: var(--transition);
  border-radius: 6px;
}
.modal-close:hover { background: var(--bg-surface); color: var(--text-primary); }

.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 0 24px 24px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ============================================================
   ARAMA VE FİLTRELEME
   ============================================================ */
.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input-wrapper .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,111,228,0.15); }

/* ============================================================
   SETUP / ADMIN OKUL SEÇİMİ
   ============================================================ */
.okul-selector {
  background: rgba(249,115,22,0.1);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.okul-selector select {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

@media (max-width: 640px) {
  .page-content { padding: 16px; }
  .login-card { padding: 28px 20px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-card .stat-info .value { font-size: 22px; }
}

/* ============================================================
   YARDIMCI CLASS'LAR
   ============================================================ */
.d-flex     { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8   { gap: 8px; }
.gap-12  { gap: 12px; }
.gap-16  { gap: 16px; }
.mt-4    { margin-top: 4px; }
.mt-8    { margin-top: 8px; }
.mt-16   { margin-top: 16px; }
.mt-20   { margin-top: 20px; }
.mb-4    { margin-bottom: 4px; }
.mb-8    { margin-bottom: 8px; }
.mb-16   { margin-bottom: 16px; }
.mb-20   { margin-bottom: 20px; }
.mb-28   { margin-bottom: 28px; }
.text-sm      { font-size: 13px; }
.text-xs      { font-size: 12px; }
.text-muted   { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-center  { text-align: center; }
.font-bold    { font-weight: 700; }
.w-full       { width: 100%; }