:root{
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --line:#E2E8F0;
  --primary:#0F172A;
  --primary2:#1E293B;
  --success:#166534;
  --success-bg:#DCFCE7;
  --warning:#9A3412;
  --warning-bg:#FFEDD5;
  --danger:#B91C1C;
  --danger-bg:#FEE2E2;
  --info:#1D4ED8;
  --info-bg:#DBEAFE;
  --radius:16px;
  --shadow:0 10px 30px rgba(15,23,42,.07);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.topbar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar-inner{max-width:1200px;margin:auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px}
.logo span,.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--primary);color:#fff;font-weight:800}
.logo strong{font-size:16px}
nav{display:flex;gap:8px}
nav a{padding:9px 12px;border-radius:10px;color:#334155}
nav a:hover{background:#F1F5F9}
.container{max-width:1200px;margin:0 auto;padding:28px 20px 60px}
.hero-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.hero-row h1{font-size:28px;line-height:1.2;margin:0 0 6px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.muted{color:var(--muted);margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer;font-size:14px}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary2)}
.btn.secondary{background:#fff}
.btn.small{padding:7px 10px;font-size:13px}
.btn.full{width:100%;margin-top:8px}
.btn.danger-outline{border-color:#FCA5A5;color:var(--danger)}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat span{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
.stat strong{font-size:28px}
.stat.warning{border-color:#FED7AA}
.stat.expired{border-color:#FECACA}
.stat.done{border-color:#BBF7D0}
.toolbar{margin:14px 0}
.toolbar input{width:100%;max-width:420px}
input,textarea{width:100%;border:1px solid #CBD5E1;border-radius:10px;padding:11px 12px;background:#fff;font:inherit;color:var(--text);outline:none}
input:focus,textarea:focus{border-color:#64748B;box-shadow:0 0 0 3px rgba(100,116,139,.12)}
label{display:block;font-weight:700;font-size:14px;color:#334155}
label input,label textarea{margin-top:7px}
label small{display:block;font-weight:500;color:var(--muted);margin-top:6px}
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:850px}
th,td{text-align:left;padding:14px 15px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#F8FAFC}
td{font-size:14px}
td small{display:block;color:var(--muted);margin-top:4px}
tr:last-child td{border-bottom:none}
.empty{text-align:center;padding:40px;color:var(--muted)}
.status{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;white-space:nowrap}
.status.normal{background:var(--info-bg);color:var(--info)}
.status.warning{background:var(--warning-bg);color:var(--warning)}
.status.expired{background:var(--danger-bg);color:var(--danger)}
.status.done{background:var(--success-bg);color:var(--success)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.form-card{padding:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.full-width{grid-column:1/-1}
.form-actions{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.record-summary{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.record-summary>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.record-summary span{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}
.alert{border-radius:12px;padding:12px 14px;margin-bottom:16px;font-weight:650}
.alert.success{background:var(--success-bg);color:var(--success)}
.alert.danger{background:var(--danger-bg);color:var(--danger)}
.auth-bg{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(180deg,#F8FAFC,#EEF2F7)}
.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 20px 50px rgba(15,23,42,.1)}
.auth-card.install-card{width:min(760px,100%)}
.auth-card .brand-mark{margin-bottom:18px}
.auth-card h1{margin:0 0 5px;font-size:26px}
.auth-card .muted{margin-bottom:22px}
.auth-card label{margin-bottom:15px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media (max-width:850px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:first-child{grid-column:1/-1}
}
@media (max-width:700px){
  .topbar-inner{align-items:flex-start;flex-direction:column}
  nav{width:100%;overflow:auto}
  .container{padding:20px 14px 50px}
  .hero-row{align-items:stretch;flex-direction:column}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1}
  .form-grid,.grid-2,.record-summary{grid-template-columns:1fr}
  .full-width{grid-column:auto}
  .form-card{padding:16px}
  .hero-row h1{font-size:24px}
}

/* PWA kurulum düğmesi */
.install-divider{display:flex;align-items:center;gap:12px;margin:18px 0 12px;color:var(--muted);font-size:12px}
.install-divider::before,.install-divider::after{content:"";height:1px;background:var(--line);flex:1}
.install-app{background:#FFFFFF;border-color:#CBD5E1;color:#0F172A}
.install-app:hover{background:#F8FAFC;border-color:#94A3B8}
.install-app:disabled{opacity:.72;cursor:default}
.install-icon{font-size:18px;line-height:1}
.install-help{min-height:18px;margin:8px 0 0;text-align:center;color:var(--muted);font-size:12px;line-height:1.45}