:root {
  --bg: #f4f6f9;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --sidebar-active: #2563eb;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --ok: #16a34a;
  --stop: #dc2626;
  --warn: #d97706;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- Login ---------- */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: linear-gradient(135deg, #1e293b, #2563eb);
}
.login-box {
  background: #fff; padding: 40px; border-radius: 14px;
  width: 100%; max-width: 360px; box-shadow: 0 20px 40px rgba(0,0,0,.2);
}
.login-box h1 { margin: 0 0 4px; font-size: 22px; }
.login-box label { display: block; margin: 14px 0 0; font-weight: 600; font-size: 13px; }
.login-box input { width: 100%; margin-top: 6px; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 260px; background: var(--sidebar-bg); color: #cbd5e1;
  flex-shrink: 0; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar-brand {
  padding: 20px; font-size: 18px; font-weight: 700; color: #fff;
  border-bottom: 1px solid #334155;
}
.sidebar-nav { padding: 12px 0; flex: 1; }
.nav-item {
  display: block; padding: 11px 20px; color: #cbd5e1;
  text-decoration: none; font-size: 14px; transition: background .15s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; font-weight: 600; }
.nav-hotel { font-size: 13px; padding-left: 20px; }
.nav-section {
  padding: 16px 20px 6px; font-size: 11px; letter-spacing: .08em;
  color: #64748b; font-weight: 700;
}
.nav-empty { padding: 10px 20px; font-size: 12px; color: #64748b; }

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 14px 28px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { margin: 0; font-size: 18px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.content-inner { padding: 28px; max-width: 1100px; }

/* ---------- Cards ---------- */
.card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 8px; font-size: 18px; }
.card h3 { margin: 0 0 12px; font-size: 16px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.stat { text-align: center; }
.stat-num { font-size: 32px; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ---------- Ask box ---------- */
.ask-card h2 { font-size: 18px; }
.ask-form { display: flex; gap: 10px; margin-top: 14px; }
.ask-input { flex: 1; font-size: 15px; padding: 12px 14px; }

/* Stop sale formu */
.stopsale-form { margin-top: 14px; }
.ss-grid { display: grid; grid-template-columns: 2fr 1.5fr 1fr 1fr 1fr; gap: 12px; }
.ss-grid label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-weight: 600; color: var(--muted); }
.ss-grid select, .ss-grid input[type=date] {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff;
}
.ss-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; }
.ss-undo { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; cursor: pointer; }
.btn-stop { background: var(--stop); color: #fff; border-color: var(--stop); }
.btn-stop:hover { background: #b91c1c; }
.stop-red { color: var(--stop); font-weight: 700; }
@media (max-width: 768px) { .ss-grid { grid-template-columns: 1fr; } }

.interp { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip {
  display: inline-block; background: #eff6ff; color: #1e40af;
  border-radius: 999px; padding: 4px 12px; font-size: 12px;
}

/* ---------- Forms ---------- */
input[type=text], input[type=password], input[type=file] {
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit;
  background: #fff;
}
input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: end; }
.form-grid label { font-weight: 600; font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.form-actions { grid-column: 1 / -1; }
.upload-form { display: flex; gap: 12px; align-items: center; margin-top: 12px; }

/* Yükleme modu kartları */
.upload-form-v2 { margin-top: 16px; }
.mode-options { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 18px; }
.mode-card {
  display: flex; gap: 12px; align-items: flex-start;
  border: 2px solid var(--border); border-radius: 10px; padding: 16px;
  cursor: pointer; transition: all .15s;
}
.mode-card:hover { border-color: #93c5fd; background: #f8fafc; }
.mode-card input[type=radio] { margin-top: 3px; }
.mode-card:has(input:checked) { border-color: var(--primary); background: #eff6ff; }
.mode-body { display: flex; flex-direction: column; gap: 4px; }
.mode-body strong { font-size: 14px; }
.mode-body .muted { font-size: 12px; }
.upload-row { display: flex; gap: 12px; align-items: center; }
.actions { white-space: nowrap; }
.pass-row td { background: #f8fafc; }
.pass-form { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pass-form input[type=password] { padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.btn-warn { background: #fef3c7; border-color: #fcd34d; color: #92400e; }
.btn-warn:hover { background: #fde68a; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 10px 18px; border: 1px solid var(--border);
  border-radius: 8px; background: #fff; color: var(--text);
  font-size: 14px; cursor: pointer; text-decoration: none; font-family: inherit;
  transition: all .15s;
}
.btn:hover { background: #f8fafc; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; margin-top: 18px; }

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.table tbody tr:hover { background: #f8fafc; }
.stop-sale { background: #fef2f2; }
.stop-sale:hover { background: #fee2e2; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge-ok { background: #dcfce7; color: var(--ok); }
.badge-stop { background: #fee2e2; color: var(--stop); }
.badge-warn { background: #fef3c7; color: var(--warn); }

/* ---------- Alerts ---------- */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }
.alert-info { background: #dbeafe; color: #1e40af; }

/* ---------- Misc ---------- */
.muted { color: var(--muted); }
.hotel-head { display: flex; justify-content: space-between; align-items: center; }
.hotel-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.room-title { color: var(--primary-dark); }

/* Gün bazlı görünüm */
.filter-bar { padding: 14px 22px; }
.filter-form { display: flex; gap: 16px; align-items: flex-end; flex-wrap: wrap; }
.filter-form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--muted); }
.filter-form select {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff; min-width: 140px;
}
.table-days .month-row td {
  background: #f1f5f9; font-weight: 700; color: var(--primary-dark);
  font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  padding: 6px 12px;
}
.date-cell { white-space: nowrap; }
.day-name { color: var(--muted); font-size: 12px; margin-left: 6px; }

/* Pivot: tarih satır, pansiyon kolon */
.table-pivot thead th { text-align: center; }
.table-pivot .th-date { text-align: left; vertical-align: bottom; }
.table-pivot .th-meal {
  background: #eff6ff; color: var(--primary-dark);
  border-left: 2px solid var(--border); font-size: 13px;
}
.table-pivot .subhead th {
  font-size: 11px; color: var(--muted); font-weight: 600;
  border-left: 1px solid var(--border);
}
.table-pivot tbody td { text-align: center; }
.table-pivot tbody td.date-cell { text-align: left; }
.table-pivot tbody td:nth-child(even) { border-left: 2px solid var(--border); }
.warn-list { margin: 0; padding-left: 20px; color: var(--warn); }
.result-card h3 { font-size: 15px; }

/* Konaklama (giriş-çıkış) sonucu */
.stay-group { margin-top: 18px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.stay-header {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; padding: 14px 16px; background: #f8fafc;
  border-bottom: 1px solid var(--border);
}
.stay-title { font-weight: 700; font-size: 15px; color: var(--primary-dark); }
.badge-meal { background: #e0e7ff; color: #3730a3; margin-left: 6px; }
.stay-totals { display: flex; gap: 10px; align-items: stretch; }
.total-box {
  display: flex; flex-direction: column; align-items: flex-end;
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 14px;
}
.total-box-primary { background: var(--primary); border-color: var(--primary); }
.total-box-primary .total-label, .total-box-primary .total-val { color: #fff; }
.total-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.total-val { font-size: 20px; font-weight: 700; color: var(--primary-dark); }
.stay-warn { color: var(--stop); font-size: 13px; font-weight: 600; }
.table-stay { margin: 0; }
.table-stay th, .table-stay td { padding: 8px 16px; }

@media (max-width: 768px) {
  .sidebar { width: 64px; }
  .sidebar-brand, .nav-item span, .nav-section { font-size: 0; }
  .cards, .form-grid { grid-template-columns: 1fr; }
}