:root{
  --bg:#f3f6fb;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --danger:#ef4444;
  --success:#16a34a;
  --warning:#f59e0b;
  --shadow:0 12px 30px rgba(15,23,42,.08);
  --radius:18px;
  --radius-sm:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}
.loading-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:40;font-size:20px;font-weight:700}
.login-screen{position:fixed;inset:0;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#eef4ff 0%,#f7f9fc 55%,#eef2f7 100%);z-index:39}
.login-card{width:min(430px,100%);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow);border-radius:24px;padding:28px}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.brand-badge{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#1d4ed8,#60a5fa);display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;box-shadow:0 12px 24px rgba(37,99,235,.25)}
.login-brand h1{margin:0;font-size:26px}
.login-brand p{margin:4px 0 0;color:var(--muted)}
.login-fields{display:grid;gap:10px}
.login-fields label{font-size:13px;font-weight:700;color:#334155}
.login-fields input{height:46px;border:1px solid var(--line);border-radius:14px;padding:0 14px;background:#fff}
.login-error{min-height:18px;color:#dc2626;font-size:13px;margin-top:4px}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:260px;background:#0f172a;color:#fff;padding:18px;display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100vh}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:6px 4px}
.sidebar-brand strong{display:block}
.sidebar-brand span{display:block;color:#cbd5e1;font-size:12px;margin-top:3px}
.sidebar-nav{display:grid;gap:8px}
.nav-item{display:flex;align-items:center;gap:12px;height:46px;border:none;background:transparent;color:#cbd5e1;border-radius:14px;padding:0 14px;cursor:pointer;text-align:left}
.nav-item.active,.nav-item:hover{background:rgba(255,255,255,.09);color:#fff}
.sidebar-user{margin-top:auto;border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
.user-email{font-size:12px;color:#cbd5e1;word-break:break-all;margin-bottom:12px}
.main-shell{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 24px 8px}
.topbar h1{margin:0;font-size:28px}
.topbar p{margin:6px 0 0;color:var(--muted)}
.root{padding:16px 24px 110px}
.mobile-only{display:none}
.mobile-nav{display:none}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card.pad{padding:18px}
.kpi-card{padding:18px}
.kpi-label{font-size:13px;color:var(--muted);font-weight:700}
.kpi-value{font-size:31px;font-weight:800;margin-top:10px}
.kpi-sub{font-size:12px;color:var(--muted);margin-top:10px;display:flex;gap:12px;flex-wrap:wrap}
.section-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.section-header h2{margin:0;font-size:18px}
.section-header p{margin:4px 0 0;color:var(--muted);font-size:13px}
.list-stack{display:grid;gap:12px}
.list-item{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.list-item-title{font-weight:700}
.list-item-sub{font-size:13px;color:var(--muted);margin-top:3px}
.list-item-right{font-weight:700;white-space:nowrap}
.card-grid{display:grid;gap:16px}
.entity-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.entity-card-head{padding:18px 18px 10px;display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.entity-title{margin:0;font-size:20px}
.entity-subtitle{margin:6px 0 0;font-size:13px;color:var(--muted)}
.entity-body{padding:0 18px 14px}
.meta-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.meta-box{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:12px}
.meta-label{font-size:12px;color:var(--muted);margin-bottom:5px}
.meta-value{font-size:14px;font-weight:700}
.entity-footer{padding:14px 18px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.footer-meta{font-size:12px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}
.btn{border:none;border-radius:14px;padding:12px 16px;cursor:pointer;font-weight:700}
.btn-block{width:100%}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-2)}
.btn-secondary{background:#e2e8f0;color:#0f172a}
.btn-secondary:hover{background:#cbd5e1}
.btn-danger{background:#fee2e2;color:#b91c1c}
.btn-danger:hover{background:#fecaca}
.btn-ghost{background:#eef2ff;color:#3730a3}
.btn-ghost:hover{background:#e0e7ff}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.status-chip{padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800}
.status-Bekliyor{background:#e2e8f0;color:#334155}
.status-Opsiyon{background:#ffedd5;color:#c2410c}
.status-Konfirme{background:#dcfce7;color:#166534}
.status-İptal{background:#fee2e2;color:#b91c1c}
.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap;margin-bottom:18px}
.toolbar-actions{display:flex;gap:10px;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-group{display:grid;gap:6px}
.form-group label{font-size:13px;font-weight:700;color:#334155}
.form-group input,.form-group select,.form-group textarea{height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:0 12px}
.form-group textarea{height:92px;padding:12px;resize:vertical}
.full{grid-column:1/-1}
.inline-input{display:flex;gap:8px}
.inline-input select{flex:1}
.icon-btn{width:40px;height:40px;border:none;border-radius:12px;background:#e2e8f0;cursor:pointer}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
th{background:#f8fafc}
tfoot td{background:#eff6ff;font-weight:800}
.setting-list{display:grid;gap:10px}
.setting-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.metric-pill{font-size:13px;color:var(--muted)}
.empty{padding:24px;border:1px dashed var(--line);border-radius:18px;background:rgba(255,255,255,.55);color:var(--muted);text-align:center}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.48);display:grid;place-items:center;padding:20px;z-index:50}
.modal{width:min(860px,100%);max-height:88vh;overflow:auto;background:var(--surface);border-radius:24px;box-shadow:0 26px 60px rgba(15,23,42,.26);border:1px solid rgba(255,255,255,.65)}
.modal.small{width:min(520px,100%)}
.modal-header{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px}
.modal-title{margin:0;font-size:20px}
.modal-sub{margin:6px 0 0;color:var(--muted);font-size:13px}
.modal-body{padding:20px}
.modal-close{width:38px;height:38px;border:none;border-radius:12px;background:#e2e8f0;cursor:pointer}
.detail-stack{display:grid;gap:10px}
.detail-row{display:grid;grid-template-columns:180px 1fr;gap:12px;padding:12px 14px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}
.detail-row strong{color:#334155}
.toast-host{position:fixed;right:18px;bottom:18px;display:grid;gap:10px;z-index:70}
.toast{min-width:260px;max-width:360px;background:#0f172a;color:#fff;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.toast.success{background:#166534}
.toast.error{background:#b91c1c}
.confirm-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}
.money-positive{color:#15803d;font-weight:800}
.money-negative{color:#b91c1c;font-weight:800}
.install-tip{margin-top:10px;font-size:12px;color:var(--muted)}
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .meta-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .sidebar{display:none}
  .mobile-only{display:inline-grid;place-items:center}
  .mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:12px;right:12px;bottom:12px;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:var(--shadow);z-index:35}
  .mobile-nav-item{border:none;background:transparent;display:grid;gap:3px;place-items:center;padding:6px;border-radius:14px;color:var(--muted)}
  .mobile-nav-item.active{background:#eff6ff;color:#1d4ed8}
  .topbar{padding:18px 18px 8px}
  .root{padding:14px 18px 110px}
}
@media (max-width:700px){
  .grid-4,.grid-2,.form-grid,.settings-grid,.payment-form-grid,.dashboard-bottom-grid,.dashboard-mini-grid,.report-filter-grid,.meta-grid{grid-template-columns:1fr}
  .detail-row{grid-template-columns:1fr}
  .entity-footer{align-items:flex-start}
  .topbar h1{font-size:24px}
}