@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --g-bg: #050a14;
  --g-surface: rgba(255,255,255,0.04);
  --g-surface-hover: rgba(255,255,255,0.07);
  --g-border: rgba(255,255,255,0.08);
  --g-border-bright: rgba(255,255,255,0.14);
  --g-text: #e8edf5;
  --g-muted: rgba(232,237,245,0.5);
  --g-accent: #3b82f6;
  --g-accent-glow: rgba(59,130,246,0.25);
  --g-green: #22c55e;
  --g-green-glow: rgba(34,197,94,0.2);
  --g-red: #ef4444;
  --g-red-glow: rgba(239,68,68,0.2);
  --g-amber: #f59e0b;
  --g-blur: blur(18px) saturate(160%);
  --g-radius: 16px;
  --g-radius-sm: 10px;
  --sidebar-w: 260px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--g-bg);
  color: var(--g-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── ANIMATED BG ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 15% 10%, rgba(59,130,246,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%, rgba(139,92,246,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(34,197,94,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

/* ─── GLASS CARD ─── */
.g-card {
  background: var(--g-surface);
  backdrop-filter: var(--g-blur);
  -webkit-backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius);
  padding: 20px;
  transition: border-color .2s, background .2s;
}
.g-card:hover { border-color: var(--g-border-bright); background: var(--g-surface-hover); }

/* ─── SIDEBAR ─── */
#sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: rgba(5,10,20,0.85);
  backdrop-filter: var(--g-blur);
  border-right: 1px solid var(--g-border);
  z-index: 100;
  overflow-y: auto;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}

.sidebar-wrapper { padding: 0; height: 100%; display: flex; flex-direction: column; }

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--g-border);
}

.sidebar-header .logo img { height: 32px; }

.sidebar-menu { flex: 1; padding: 16px 12px; }

.menu { list-style: none; }

.sidebar-title {
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--g-muted);
  padding: 8px 12px 6px;
  margin-top: 8px;
}

.sidebar-item { margin-bottom: 2px; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--g-radius-sm);
  color: var(--g-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all .18s;
  position: relative;
  overflow: hidden;
}

.sidebar-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--g-accent-glow), transparent);
  opacity: 0;
  transition: opacity .18s;
  border-radius: var(--g-radius-sm);
}

.sidebar-link:hover { color: var(--g-text); background: var(--g-surface-hover); }
.sidebar-link:hover::before { opacity: 1; }

.sidebar-item.active .sidebar-link {
  color: var(--g-text);
  background: var(--g-surface-hover);
  border-left: 2px solid var(--g-accent);
}
.sidebar-item.active .sidebar-link::before { opacity: 1; }

.sidebar-link i { font-size: 16px; flex-shrink: 0; }

/* ─── MAIN CONTENT ─── */
#main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  padding: 24px;
}

/* ─── TOP HEADER ─── */
.page-heading {
  margin-bottom: 24px;
}
.page-heading h3 {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--g-text);
  letter-spacing: -.02em;
}

/* ─── CARD OVERRIDES (Bootstrap uyumu) ─── */
.card {
  background: var(--g-surface) !important;
  backdrop-filter: var(--g-blur);
  -webkit-backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-border) !important;
  border-radius: var(--g-radius) !important;
  box-shadow: 0 4px 32px rgba(0,0,0,0.3) !important;
  color: var(--g-text) !important;
  overflow: hidden;
}

.card-header {
  background: rgba(255,255,255,0.03) !important;
  border-bottom: 1px solid var(--g-border) !important;
  padding: 16px 20px !important;
}

.card-header h4 {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--g-text);
  margin: 0;
}

.card-body { padding: 20px !important; }

/* ─── TABLE ─── */
.table {
  color: var(--g-text) !important;
  border-color: var(--g-border) !important;
}
.table thead th {
  background: rgba(255,255,255,0.04) !important;
  border-bottom: 1px solid var(--g-border-bright) !important;
  color: var(--g-muted) !important;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 10px 14px !important;
}
.table tbody tr {
  border-bottom: 1px solid var(--g-border) !important;
  transition: background .15s;
}
.table tbody tr:hover { background: rgba(255,255,255,0.04) !important; }
.table tbody td {
  padding: 12px 14px !important;
  vertical-align: middle;
  font-size: 13.5px;
}
.table-responsive { border-radius: var(--g-radius-sm); overflow: hidden; }

/* ─── FORM CONTROLS ─── */
.form-control, .form-select {
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid var(--g-border) !important;
  border-radius: var(--g-radius-sm) !important;
  color: var(--g-text) !important;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  padding: 10px 14px !important;
  transition: border-color .18s, background .18s, box-shadow .18s;
}
.form-control:focus, .form-select:focus {
  background: rgba(255,255,255,0.09) !important;
  border-color: var(--g-accent) !important;
  box-shadow: 0 0 0 3px var(--g-accent-glow) !important;
  color: var(--g-text) !important;
  outline: none;
}
.form-control::placeholder { color: var(--g-muted) !important; }
.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--g-muted);
  text-transform: uppercase;
  margin-bottom: 6px !important;
}
.form-select option { background: #0d1929; color: var(--g-text); }
.input-group-text {
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid var(--g-border) !important;
  color: var(--g-muted) !important;
}

/* ─── BUTTONS ─── */
.btn {
  border-radius: var(--g-radius-sm) !important;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .01em;
  transition: all .18s;
  padding: 8px 16px !important;
}

.btn-primary {
  background: var(--g-accent) !important;
  border-color: var(--g-accent) !important;
  box-shadow: 0 0 20px var(--g-accent-glow);
}
.btn-primary:hover {
  background: #2563eb !important;
  box-shadow: 0 0 28px rgba(59,130,246,0.4) !important;
  transform: translateY(-1px);
}

.btn-success {
  background: var(--g-green) !important;
  border-color: var(--g-green) !important;
  box-shadow: 0 0 16px var(--g-green-glow);
}
.btn-success:hover { box-shadow: 0 0 24px rgba(34,197,94,0.35) !important; transform: translateY(-1px); }

.btn-danger {
  background: var(--g-red) !important;
  border-color: var(--g-red) !important;
  box-shadow: 0 0 16px var(--g-red-glow);
}
.btn-danger:hover { box-shadow: 0 0 24px rgba(239,68,68,0.35) !important; transform: translateY(-1px); }

.btn-warning {
  background: var(--g-amber) !important;
  border-color: var(--g-amber) !important;
  color: #000 !important;
}

.btn-info {
  background: rgba(6,182,212,0.2) !important;
  border-color: rgba(6,182,212,0.4) !important;
  color: #67e8f9 !important;
}
.btn-info:hover { background: rgba(6,182,212,0.35) !important; color: #fff !important; }

.btn-secondary {
  background: rgba(255,255,255,0.08) !important;
  border-color: var(--g-border) !important;
  color: var(--g-text) !important;
}
.btn-secondary:hover { background: rgba(255,255,255,0.13) !important; }

.btn-outline-primary {
  background: transparent !important;
  border-color: var(--g-accent) !important;
  color: var(--g-accent) !important;
}
.btn-outline-primary:hover { background: var(--g-accent-glow) !important; }

.btn-outline-secondary {
  background: transparent !important;
  border-color: var(--g-border-bright) !important;
  color: var(--g-muted) !important;
}
.btn-outline-secondary:hover { background: var(--g-surface-hover) !important; color: var(--g-text) !important; }

.btn-outline-danger {
  background: transparent !important;
  border-color: var(--g-red) !important;
  color: var(--g-red) !important;
}
.btn-outline-danger:hover { background: var(--g-red-glow) !important; }

.btn-outline-success {
  background: transparent !important;
  border-color: var(--g-green) !important;
  color: var(--g-green) !important;
}
.btn-outline-success:hover { background: var(--g-green-glow) !important; }

.btn-lg { padding: 12px 24px !important; font-size: 15px !important; }
.btn-sm { padding: 5px 12px !important; font-size: 12px !important; }

/* ─── BADGES ─── */
.badge {
  font-size: 11px !important;
  font-weight: 600 !important;
  padding: 4px 10px !important;
  border-radius: 6px !important;
  letter-spacing: .04em;
}
.bg-primary { background: var(--g-accent) !important; }
.bg-success { background: rgba(34,197,94,0.2) !important; color: var(--g-green) !important; border: 1px solid rgba(34,197,94,0.3); }
.bg-danger  { background: rgba(239,68,68,0.2) !important; color: var(--g-red) !important; border: 1px solid rgba(239,68,68,0.3); }

/* ─── ALERTS ─── */
.alert {
  border-radius: var(--g-radius-sm) !important;
  border: 1px solid var(--g-border) !important;
  backdrop-filter: var(--g-blur);
}
.alert-success { background: rgba(34,197,94,0.1) !important; border-color: rgba(34,197,94,0.3) !important; color: #86efac !important; }
.alert-danger  { background: rgba(239,68,68,0.1) !important; border-color: rgba(239,68,68,0.3) !important; color: #fca5a5 !important; }
.alert-warning { background: rgba(245,158,11,0.1) !important; border-color: rgba(245,158,11,0.3) !important; color: #fde68a !important; }

/* ─── MODAL ─── */
.modal-content {
  background: rgba(8,14,26,0.92) !important;
  backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-border-bright) !important;
  border-radius: var(--g-radius) !important;
  color: var(--g-text) !important;
}
.modal-header {
  border-bottom: 1px solid var(--g-border) !important;
  padding: 18px 22px !important;
}
.modal-footer { border-top: 1px solid var(--g-border) !important; }
.modal-title { font-family: 'Syne', sans-serif; font-weight: 700; }
.btn-close { filter: invert(1) !important; }

/* ─── MOBILE ─── */
.burger-btn { color: var(--g-text); font-size: 24px; }
.sidebar-toggler { display: none; }

@media (max-width: 1200px) {
  #sidebar {
    transform: translateX(-100%);
  }
  #sidebar.active {
    transform: translateX(0);
  }
  #main { margin-left: 0; }

  .sidebar-hide { display: block !important; }

  /* Floating burger overlay */
  .mobile-menu-btn {
    display: flex !important;
  }
}

/* ─── MOBILE MENU BUTTON ─── */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 16px; left: 16px;
  z-index: 200;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-border);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--g-text);
  font-size: 20px;
  transition: background .18s;
}
.mobile-menu-btn:hover { background: rgba(255,255,255,0.14); }

/* ─── SIDEBAR OVERLAY ─── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 99;
}
.sidebar-overlay.active { display: block; }

/* ─── MOBILE ADJUSTMENTS ─── */
@media (max-width: 768px) {
  #main { padding: 70px 12px 20px; }
  .page-heading { margin-bottom: 16px; }
  .page-heading h3 { font-size: 18px; }
  .card-body { padding: 14px !important; }
  .card-header { padding: 12px 14px !important; }
  .table-responsive { font-size: 12px; }
  .btn { padding: 7px 12px !important; font-size: 12px !important; }
  .btn-lg { padding: 11px 18px !important; font-size: 14px !important; }
  .g-card { padding: 14px; }
}

/* ─── AUTH PAGE ─── */
#auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-box {
  width: 100%;
  max-width: 420px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-border);
  border-radius: 24px;
  padding: 48px 40px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4);
}

@media (max-width: 480px) {
  .auth-box { padding: 32px 22px; border-radius: 18px; }
}

.auth-logo { margin-bottom: 32px; }
.auth-logo img { height: 36px; }

.auth-title {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--g-text);
  margin-bottom: 8px;
  letter-spacing: -.03em;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--g-muted);
  margin-bottom: 32px;
}

/* ─── STAT / KPI CARDS ─── */
.kpi-card {
  background: var(--g-surface);
  backdrop-filter: var(--g-blur);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.kpi-card:hover { border-color: var(--g-border-bright); transform: translateY(-2px); }
.kpi-card .kpi-val {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -.04em;
}
.kpi-card .kpi-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--g-muted);
  margin-top: 4px;
}
.kpi-card::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--g-accent-glow);
  filter: blur(30px);
  pointer-events: none;
}

/* ─── TEXT COLORS ─── */
.text-open, .text-success { color: var(--g-green) !important; }
.text-closed, .text-danger { color: var(--g-red) !important; }
.text-muted { color: var(--g-muted) !important; }
.text-primary { color: var(--g-accent) !important; }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* ─── TEXTAREA & READONLY ─── */
textarea.form-control { resize: vertical; min-height: 80px; }
.form-control[readonly] { opacity: .7; cursor: default; }

/* ─── THEME TOGGLE ─── */
.theme-toggle { display: none; } /* yeni temada toggle var ama glass'ta gerek yok */

/* ═══════════════════════════════════════════
   LIGHT MODE — data-bs-theme="light"
═══════════════════════════════════════════ */
:root[data-bs-theme="light"] {
  --g-bg: #f0f4f8;
  --g-surface: rgba(255,255,255,0.65);
  --g-surface-hover: rgba(255,255,255,0.85);
  --g-border: rgba(0,0,0,0.08);
  --g-border-bright: rgba(0,0,0,0.14);
  --g-text: #1a2233;
  --g-muted: rgba(26,34,51,0.5);
  --g-accent-glow: rgba(59,130,246,0.18);
  --g-green-glow: rgba(22,163,74,0.15);
  --g-red-glow: rgba(220,38,38,0.15);
}

:root[data-bs-theme="light"] body::before {
  background:
    radial-gradient(ellipse 80% 60% at 15% 10%, rgba(59,130,246,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%, rgba(139,92,246,0.06) 0%, transparent 60%);
}

:root[data-bs-theme="light"] #sidebar {
  background: rgba(240,244,248,0.92);
  border-right-color: rgba(0,0,0,0.08);
}

:root[data-bs-theme="light"] .topbar {
  background: rgba(240,244,248,0.92);
  border-bottom-color: rgba(0,0,0,0.08);
}

:root[data-bs-theme="light"] .table thead th {
  background: rgba(0,0,0,0.03) !important;
  color: rgba(26,34,51,0.55) !important;
}

:root[data-bs-theme="light"] .modal-content {
  background: rgba(245,248,252,0.96) !important;
}

:root[data-bs-theme="light"] .form-control,
:root[data-bs-theme="light"] .form-select {
  background: rgba(0,0,0,0.04) !important;
  border-color: rgba(0,0,0,0.12) !important;
  color: #1a2233 !important;
}

:root[data-bs-theme="light"] .form-control::placeholder { color: rgba(26,34,51,0.4) !important; }
:root[data-bs-theme="light"] .input-group-text {
  background: rgba(0,0,0,0.05) !important;
  border-color: rgba(0,0,0,0.12) !important;
  color: rgba(26,34,51,0.55) !important;
}

/* default: dark mod (her zaman önce dark çalışsın) */
:root, :root[data-bs-theme="dark"] {
  --g-bg: #050a14;
  --g-surface: rgba(255,255,255,0.04);
  --g-surface-hover: rgba(255,255,255,0.07);
  --g-border: rgba(255,255,255,0.08);
  --g-border-bright: rgba(255,255,255,0.14);
  --g-text: #e8edf5;
  --g-muted: rgba(232,237,245,0.5);
}