:root {
  --gold:        #C9A84C;
  --gold-light:  #E8D5A3;
  --gold-dark:   #A07830;
  --brown:       #5C4A1E;
  --brown-light: #7A6235;
  --brown-dark:  #3A2E10;
  --cream:       #FAF8F2;
  --cream-dark:  #F0EBE0;
  --cream-mid:   #F5F0E8;
  --white:       #FFFFFF;
  --text:        #2C2416;
  --text-light:  #7A6A4A;
  --text-muted:  #A09070;
  --success:     #4CAF50;
  --warning:     #FF9800;
  --danger:      #F44336;
  --info:        #2196F3;
  --shadow:      0 2px 12px rgba(92,74,30,.10);
  --shadow-lg:   0 8px 32px rgba(92,74,30,.15);
  --radius:      10px;
  --radius-sm:   6px;
  --sidebar-w:   240px;
  --topbar-h:    60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.5;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
button { cursor: pointer; }
ul { list-style: none; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--cream-dark); }
::-webkit-scrollbar-thumb { background: var(--gold-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* LAYOUT */
#app-page { display: flex; height: 100vh; overflow: hidden; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--brown-dark);
  color: var(--white);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  transition: width .25s;
}
.sidebar-logo {
  padding: 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 10px;
}
.sidebar-logo-icon { font-size: 24px; }
.sidebar-logo-title { font-size: 17px; font-weight: 800; color: var(--gold-light); letter-spacing: .5px; }
.sidebar-logo-sub { font-size: 10px; color: rgba(255,255,255,.4); margin-top: 1px; }
.sidebar-nav { flex: 1; padding: 8px 0; }
.sidebar-section { margin-bottom: 4px; }
.sidebar-section-label {
  font-size: 10px; font-weight: 700; color: rgba(255,255,255,.3);
  letter-spacing: 1.2px; text-transform: uppercase; padding: 10px 16px 4px;
}
.sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; cursor: pointer;
  border-radius: var(--radius-sm); margin: 1px 8px;
  transition: background .15s; position: relative;
}
.sidebar-item:hover { background: rgba(255,255,255,.08); }
.sidebar-item.active { background: var(--gold-dark); color: var(--white); }
.sidebar-item.active::before {
  content: ''; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%); width: 3px; height: 60%;
  background: var(--gold); border-radius: 0 3px 3px 0;
}
.sidebar-item-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-item-label { font-size: 13px; font-weight: 500; }
.sidebar-footer { padding: 12px; border-top: 1px solid rgba(255,255,255,.08); }

.topbar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--cream-dark);
  display: flex; align-items: center;
  padding: 0 20px; gap: 12px; flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(92,74,30,.06);
}
.topbar-title { font-size: 15px; font-weight: 700; color: var(--brown); flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar-user { display: flex; align-items: center; gap: 8px; }
.topbar-user-name { font-size: 13px; font-weight: 600; color: var(--text); }
.topbar-user-role { font-size: 11px; color: var(--text-muted); }

.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: var(--white); flex-shrink: 0;
}
.avatar.admin  { background: var(--danger); }
.avatar.alici  { background: var(--success); }
.avatar.gumruk { background: var(--info); }

.main-wrap { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.content-area { flex: 1; overflow-y: auto; padding: 24px; }

/* KART */
.card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--brown); }
.section-title { font-size: 18px; font-weight: 800; color: var(--brown); margin-bottom: 16px; }

/* STAT */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px; text-align: center; border-top: 3px solid var(--gold); transition: transform .15s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-icon { font-size: 26px; margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 800; color: var(--brown); }
.stat-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.stat-delta { font-size: 11px; margin-top: 4px; font-weight: 600; }
.stat-delta.up { color: var(--success); }
.stat-delta.down { color: var(--danger); }

/* TABLO */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--cream); }
th { padding: 10px 12px; text-align: left; font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; border-bottom: 2px solid var(--cream-dark); }
td { padding: 10px 12px; border-bottom: 1px solid var(--cream-dark); font-size: 13px; vertical-align: middle; }
tbody tr:hover { background: var(--cream-mid); }
tbody tr:last-child td { border-bottom: none; }

/* BADGE */
.badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge-success { background: #E8F5E9; color: #2E7D32; }
.badge-danger  { background: #FFEBEE; color: #C62828; }
.badge-warning { background: #FFF3E0; color: #E65100; }
.badge-info    { background: #E3F2FD; color: #1565C0; }
.badge-gold    { background: #FFF8E1; color: #A07830; }
.badge-gray    { background: #F5F5F5; color: #616161; }

/* BUTONLAR */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; border: none; transition: opacity .15s, transform .15s; white-space: nowrap; cursor: pointer; }
.btn:hover  { opacity: .88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary   { background: var(--brown);      color: var(--white); }
.btn-gold      { background: var(--gold);        color: var(--white); }
.btn-secondary { background: var(--cream-dark);  color: var(--text); }
.btn-success   { background: var(--success);     color: var(--white); }
.btn-danger    { background: var(--danger);      color: var(--white); }
.btn-warning   { background: var(--warning);     color: var(--white); }
.btn-info      { background: var(--info);        color: var(--white); }
.btn-outline   { background: transparent; border: 1.5px solid var(--brown); color: var(--brown); }
.btn-sm  { padding: 5px 10px; font-size: 12px; }
.btn-lg  { padding: 11px 22px; font-size: 15px; }

/* FORMLAR */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 11px; font-weight: 700; color: var(--text-muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .3px; }
.form-group input,
.form-group select,
.form-group textarea { width: 100%; padding: 9px 12px; border: 1.5px solid var(--cream-dark); border-radius: var(--radius-sm); background: var(--white); color: var(--text); transition: border-color .15s; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.12); }
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* MODAL */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1000; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: var(--white); border-radius: var(--radius); width: 540px; max-width: 95vw; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); animation: modalIn .2s ease; }
.modal-lg { width: 720px; }
@keyframes modalIn { from { transform: scale(.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--cream-dark); }
.modal-title { font-size: 15px; font-weight: 700; color: var(--brown); }
.modal-close { background: none; border: none; font-size: 20px; color: var(--text-muted); cursor: pointer; padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { background: var(--cream-dark); color: var(--danger); }
.modal-body   { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--cream-dark); display: flex; justify-content: flex-end; gap: 8px; }

/* TOAST */
#toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--radius-sm); background: var(--white); box-shadow: var(--shadow-lg); font-size: 13px; font-weight: 500; min-width: 260px; animation: toastIn .3s ease; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error   { border-left: 4px solid var(--danger);  }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info    { border-left: 4px solid var(--info);    }
@keyframes toastIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* YARDIMCI */
.flex         { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.divider { height: 1px; background: var(--cream-dark); margin: 12px 0; }
.text-muted  { color: var(--text-muted); }
.text-small  { font-size: 12px; }
.text-center { text-align: center; }
.font-bold   { font-weight: 700; }
.hidden      { display: none !important; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }

@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-logo-title, .sidebar-logo-sub, .sidebar-item-label, .sidebar-section-label { display: none; }
  .content-area { padding: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}