/* ── CSS DEĞIŞKENLERI ────────────────────────────────── */
:root {
  --navy:        #1C2340;
  --gold:        #B8962E;
  --gold-light:  #D4A73A;
  --gold-pale:   #F0E4BE;
  --cream:       #F5F1EB;
  --cream-dark:  #E8E2D8;
  --white:       #FFFFFF;
  --text-dark:   #1C2340;
  --text-mid:    #4A4E69;
  --text-light:  #8E90A0;
  --border:      #E0DAD0;
  --border-light:#EDEDF0;
  --success:     #27AE60;
  --warning:     #D4860A;
  --danger:      #C0392B;
  --danger-pale: #FADBD8;
  --warning-pale:#FEF9E7;
  --font-sans:   'Inter', sans-serif;
  --font-serif:  'Playfair Display', Georgia, serif;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow-xs:   0 1px 3px rgba(0,0,0,.06);
  --shadow-sm:   0 2px 8px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.12);
  --transition:  all .2s ease;
}

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

body { font-family: var(--font-sans); color: var(--text-dark); font-size: 14px; line-height: 1.5; }

/* ── APP LAYOUT ──────────────────────────────────────── */
.app-body { display: flex; min-height: 100vh; background: #F0EDE8; }

.sidebar {
  width: 240px; flex-shrink: 0; background: var(--navy);
  display: flex; flex-direction: column;
  position: fixed; left: 0; top: 0; bottom: 0; z-index: 100;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 18px 16px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-logo {
  width: 38px; height: 38px; background: rgba(184,150,46,.15);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 18px; flex-shrink: 0;
}
.sidebar-title { font-family: var(--font-serif); font-size: 16px; color: var(--white); line-height: 1.2; }
.sidebar-sub   { font-size: 11px; color: rgba(255,255,255,.4); }

.sidebar-nav   { padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav-section   { font-size: 10px; font-weight: 700; color: rgba(255,255,255,.3);
                 text-transform: uppercase; letter-spacing: .08em; padding: 12px 8px 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 8px; color: rgba(255,255,255,.65);
  text-decoration: none; font-size: 13px; font-weight: 500; transition: var(--transition);
}
.nav-item:hover  { background: rgba(255,255,255,.07); color: var(--white); }
.nav-item.active { background: rgba(184,150,46,.15); color: var(--gold); }
.nav-item i      { width: 16px; text-align: center; flex-shrink: 0; }

.main-wrap   { margin-left: 240px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  height: 56px; background: var(--white); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px; padding: 0 24px;
  position: sticky; top: 0; z-index: 50;
}
.topbar-title { flex: 1; font-weight: 600; color: var(--navy); font-size: 15px; }
.topbar-user  { font-size: 13px; color: var(--text-mid); display: flex; align-items: center; gap: 8px; }

.hamburger { display: none; background: none; border: none; font-size: 18px; color: var(--navy); cursor: pointer; padding: 4px; }

.main-content { padding: 24px; flex: 1; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 90; }
.sidebar-overlay.show { display: block; }

/* ── PAGE HEADER ──────────────────────────────────────── */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.page-header h1 { font-family: var(--font-serif); font-size: 22px; color: var(--navy); }
.breadcrumb { font-size: 12px; color: var(--text-light); margin-top: 3px; display: flex; align-items: center; gap: 6px; }
.breadcrumb a { color: var(--gold); text-decoration: none; }

/* ── KPI CARDS ────────────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card {
  background: var(--white); border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow-xs); border: 1px solid var(--border); position: relative; overflow: hidden;
  border-top: 3px solid var(--border);
}
.kpi-card.navy   { border-top-color: var(--navy); }
.kpi-card.gold   { border-top-color: var(--gold); }
.kpi-card.success { border-top-color: var(--success); }
.kpi-card.warning { border-top-color: var(--warning); }
.kpi-card.danger  { border-top-color: var(--danger); }
.kpi-icon  { font-size: 20px; color: var(--gold); margin-bottom: 12px; }
.kpi-value { font-size: 26px; font-weight: 700; color: var(--navy); font-family: var(--font-serif); line-height: 1.1; }
.kpi-label { font-size: 11px; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: .06em; margin-top: 6px; }

/* ── CARD ─────────────────────────────────────────────── */
.card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-xs); margin-bottom: 20px; overflow: hidden; }
.card-header {
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-header h3 { font-size: 14px; font-weight: 700; color: var(--navy); display: flex; align-items: center; gap: 8px; }
.card-header-sub { font-size: 12px; color: var(--text-light); margin-top: 2px; }
.card-body { padding: 20px; }

/* ── TABLE ────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { padding: 10px 16px; font-size: 11px; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: .06em; background: var(--cream); border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 12px 16px; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #FAFAF8; }

/* ── FORM ─────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 11px; font-weight: 700; color: var(--text-mid); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.form-control { width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; font-family: var(--font-sans); color: var(--text-dark); background: var(--white); transition: var(--transition); outline: none; }
.form-control:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(184,150,46,.12); }
.form-control[readonly] { background: var(--cream); color: var(--text-mid); }
.form-hint { font-size: 11px; color: var(--text-light); margin-top: 5px; }
.form-check { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--gold); flex-shrink: 0; }
.form-check label { font-size: 13px; color: var(--text-mid); cursor: pointer; margin: 0; text-transform: none; letter-spacing: 0; font-weight: 400; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row.col-1 { grid-template-columns: 1fr; }
.form-row.col-3 { grid-template-columns: 1fr 1fr 1fr; }
.section-label { font-size: 11px; font-weight: 700; color: var(--text-mid); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }

/* ── BUTTONS ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; text-decoration: none; transition: var(--transition);
  white-space: nowrap; font-family: var(--font-sans);
}
.btn-primary { background: var(--navy); color: var(--white); width: 100%; justify-content: center; padding: 12px; }
.btn-primary:hover { background: #243060; }
.btn-gold    { background: var(--gold); color: var(--white); }
.btn-gold:hover { background: var(--gold-light); }
.btn-outline  { background: transparent; color: var(--navy); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ── BADGES ───────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge-navy    { background: rgba(28,35,64,.1);  color: var(--navy); }
.badge-gold    { background: var(--gold-pale);   color: #8B6914; }
.badge-success { background: rgba(39,174,96,.12); color: #1E8449; }
.badge-warning { background: rgba(212,134,10,.12); color: var(--warning); }
.badge-danger  { background: rgba(192,57,43,.1);  color: var(--danger); }

/* ── ALERTS ───────────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px; font-size: 13px; }
.alert-success { background: rgba(39,174,96,.1); border: 1px solid rgba(39,174,96,.25); color: #1E8449; }
.alert-danger  { background: rgba(192,57,43,.1); border: 1px solid rgba(192,57,43,.2); color: var(--danger); }
.validation-summary-errors { background: rgba(192,57,43,.08); border: 1px solid rgba(192,57,43,.2); color: var(--danger); padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 13px; }
.validation-summary-errors ul { margin: 4px 0 0 16px; }
span[data-valmsg-for] { color: var(--danger); font-size: 12px; margin-top: 4px; display: block; }

/* ── AVATAR ───────────────────────────────────────────── */
.avatar-initials {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 15px; font-weight: 700; flex-shrink: 0;
}

/* ── EMPTY STATE ──────────────────────────────────────── */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-light); }
.empty-state i { font-size: 36px; display: block; margin-bottom: 12px; opacity: .3; }
.empty-state p { font-size: 14px; }

/* ── LOGIN ────────────────────────────────────────────── */
.login-body { background: var(--cream); }

/* ── MOBILE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); }
  .main-wrap { margin-left: 0; }
  .hamburger { display: flex; }
}
@media (max-width: 768px) {
  .main-content { padding: 16px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row.col-3 { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi-card { padding: 16px; }
}