:root{
  --bg:#f3f4f6; --card:#ffffff; --border:#e5e7eb; --text:#111827; --muted:#6b7280;
  --primary:#2563eb; --primary-dark:#1d4ed8; --danger:#dc2626; --danger-bg:#fef2f2;
  --success:#16a34a; --success-bg:#f0fdf4; --warn:#d97706; --warn-bg:#fffbeb;
  --sidebar-w:230px; --radius:10px; --topbar-h:56px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font-family:inherit}
img{max-width:100%}
.hidden{display:none !important}

/* ---------- Login ---------- */
#loginScreen{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:16px}
.login-box{background:var(--card);padding:36px;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.08);width:100%;max-width:360px}
.login-box h1{font-size:20px;margin:0 0 4px}
.login-box p{color:var(--muted);margin:0 0 22px;font-size:13px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:16px;background:#fff}
.field textarea{resize:vertical;min-height:70px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:8px;border:none;cursor:pointer;font-size:13.5px;font-weight:600;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-block{width:100%}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{background:#f9fafb}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:7px 11px;font-size:12.5px}
.error-msg{color:var(--danger);font-size:13px;margin-top:10px;min-height:16px}

/* ---------- Shell / layout ---------- */
#appShell{display:flex;min-height:100vh;min-height:100dvh}

/* Sidebar: desktop = static column, mobile = off-canvas drawer */
.sidebar{
  width:var(--sidebar-w);background:#111827;color:#e5e7eb;flex-shrink:0;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;height:100dvh;
  z-index:60;
}
.sidebar .brand{padding:18px 16px;font-weight:700;font-size:16px;border-bottom:1px solid #1f2937;display:flex;align-items:center;justify-content:space-between;gap:8px}
.sidebar .brand small{display:block;font-weight:400;color:#9ca3af;font-size:11.5px;margin-top:2px}
.sidebar-close{display:none;background:none;border:none;color:#9ca3af;font-size:24px;line-height:1;cursor:pointer;padding:2px 6px}
.nav{flex:1;overflow-y:auto;padding:10px;-webkit-overflow-scrolling:touch}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:8px;cursor:pointer;color:#d1d5db;font-size:13.5px;margin-bottom:2px;user-select:none}
.nav-item:hover{background:#1f2937}
.nav-item.active{background:var(--primary);color:#fff}
.nav-item .badge{margin-left:auto;background:#ef4444;color:#fff;border-radius:99px;font-size:11px;padding:1px 7px;min-width:18px;text-align:center}
.sidebar-footer{padding:14px 16px;border-top:1px solid #1f2937;font-size:12.5px;color:#9ca3af}
.sidebar-footer .who{color:#e5e7eb;margin-bottom:8px;word-break:break-word}

/* Overlay behind the drawer on mobile */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(17,24,39,.5);z-index:55}

/* Right column: topbar (mobile only) + main content */
.main-col{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:none;align-items:center;gap:12px;height:var(--topbar-h);flex-shrink:0;
  padding:0 14px;background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:30;
}
.topbar-brand{font-weight:700;font-size:15px}
.hamburger{width:38px;height:38px;flex-shrink:0;border:1px solid var(--border);background:#fff;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;padding:0}
.hamburger span{display:block;width:18px;height:2px;background:#111827;border-radius:2px}

.main{flex:1;min-width:0;padding:24px 28px;max-width:1400px;width:100%}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.page-header h2{margin:0;font-size:19px}
.page-header .sub{color:var(--muted);font-size:13px;margin-top:2px}

/* ---------- Cards / stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.stat-card .n{font-size:26px;font-weight:700}
.stat-card .l{color:var(--muted);font-size:12.5px;margin-top:2px}
.stat-card.warn .n{color:var(--warn)}
.stat-card.danger .n{color:var(--danger)}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:14px;border-bottom:1px solid var(--border);background:#fafafa}
.toolbar input,.toolbar select{padding:9px 10px;border:1px solid var(--border);border-radius:7px;font-size:14px}
.toolbar .grow{flex:1;min-width:160px}

/* ---------- Table (horizontally scrollable so it never breaks layout) ---------- */
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
tbody td{padding:11px 14px;border-bottom:1px solid #f1f2f4;font-size:13.5px;vertical-align:middle}
tbody tr:hover{background:#fafbfc}
tbody tr:last-child td{border-bottom:none}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:12.5px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}

.pill{display:inline-block;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:600;white-space:nowrap}
.pill-pending{background:var(--warn-bg);color:var(--warn)}
.pill-active{background:var(--success-bg);color:var(--success)}
.pill-rejected{background:var(--danger-bg);color:var(--danger)}
.pill-closed{background:#f3f4f6;color:var(--muted)}
.pill-matched{background:#eff6ff;color:var(--primary)}
.pill-resolved{background:var(--success-bg);color:var(--success)}
.pill-dismissed{background:#f3f4f6;color:var(--muted)}
.pill-yes{background:var(--success-bg);color:var(--success)}
.pill-no{background:var(--danger-bg);color:var(--danger)}

.pager{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px 14px;font-size:13px;color:var(--muted);flex-wrap:wrap}

.empty{padding:40px;text-align:center;color:var(--muted)}
.loading{padding:40px;text-align:center;color:var(--muted)}

/* ---------- Modal ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(17,24,39,.5);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto;z-index:80;-webkit-overflow-scrolling:touch}
.modal{background:#fff;border-radius:14px;width:100%;max-width:560px;padding:24px;box-shadow:0 10px 40px rgba(0,0,0,.2)}
.modal h3{margin:0 0 4px;font-size:17px;padding-right:24px}
.modal .modal-sub{color:var(--muted);font-size:12.5px;margin-bottom:16px}
.modal-close{float:right;cursor:pointer;color:var(--muted);font-size:24px;line-height:1;padding:2px 4px;margin:-2px -4px 0 0}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px;flex-wrap:wrap}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;font-size:13px}
.detail-grid .k{color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.02em}
.detail-grid .v{margin-top:2px;word-break:break-word}
.detail-grid .full{grid-column:1/-1}
.img-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.img-strip img{width:72px;height:72px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}
.toast{position:fixed;top:14px;left:16px;right:16px;background:#111827;color:#fff;padding:12px 18px;border-radius:9px;font-size:13.5px;z-index:100;box-shadow:0 6px 20px rgba(0,0,0,.2);text-align:center}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--success)}

/* ================================================================
   RESPONSIVE — tablet ve altı: sidebar off-canvas + hamburger topbar
   ================================================================ */
@media (max-width:900px){
  .topbar{display:flex}
  .sidebar{
    position:fixed;top:0;left:0;height:100vh;height:100dvh;
    transform:translateX(-100%);transition:transform .22s ease;
    box-shadow:0 0 0 rgba(0,0,0,0);
  }
  .sidebar.open{transform:translateX(0);box-shadow:8px 0 30px rgba(0,0,0,.25)}
  .sidebar-close{display:block}
  .sidebar-overlay{display:none}
  .sidebar-overlay.open{display:block}
  .sidebar-footer button{width:100%}

  .main{padding:16px}
  .page-header h2{font-size:17px}
}

@media (max-width:640px){
  .login-box{padding:26px 22px;border-radius:14px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-card{padding:12px}
  .stat-card .n{font-size:21px}
  .page-header{align-items:flex-start}
  .toolbar{padding:12px}
  .toolbar .grow{width:100%}
  .toolbar select,.toolbar input{width:100%}
  .modal-overlay{padding:0}
  .modal{max-width:100%;min-height:100vh;min-height:100dvh;border-radius:0;padding:18px}
  .detail-grid{grid-template-columns:1fr}
  .modal-actions{flex-direction:column-reverse}
  .modal-actions .btn{width:100%}
  .row-actions{flex-direction:column;align-items:stretch}
  .row-actions .btn{width:100%}
  .pager{justify-content:space-between}
}

@media (max-width:420px){
  .stat-grid{grid-template-columns:1fr}
}