/* ============================================================
   oCP tasarım sistemi — sunucum.net.tr müşteri paneli (CRM)
   Marka: #0B5297 (koyu mavi) + #29BAE9 (camgöbeği)
   ============================================================ */

:root {
  --paper:#F4F6F9; --surface:#FFFFFF; --surface-2:#FAFBFD; --ink:#0A1420; --text:#1A2433;
  --muted:#5F6B7C; --faint:#94A0B0; --border:#E5E9EF; --border-strong:#D3DAE3;
  /* Marka */
  --brand:#0B5297; --brand-2:#29BAE9;
  --accent:#0B5297; --accent-ink:#083E73; --accent-weak:#E7F0F9;
  --brand-grad:linear-gradient(150deg,#0B5297,#29BAE9);
  /* Semantik */
  --good:#12B76A; --good-bg:#E7F8F0; --warn:#F79009; --warn-bg:#FEF4E6; --crit:#F04438; --crit-bg:#FEECEB;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 8px 24px rgba(16,24,40,.08);
  --radius:14px; --radius-sm:9px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code","Segoe UI Mono",Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#0A0E17; --surface:#111826; --surface-2:#0E1420; --ink:#F2F5F9; --text:#E3E8F0;
    --muted:#93A0B2; --faint:#6A7688; --border:#1E2736; --border-strong:#2A3444;
    --accent:#3D9BE0; --accent-ink:#8CCBF0; --accent-weak:#11253A;
    --good:#35D08A; --good-bg:#0F2A20; --warn:#F9A03F; --warn-bg:#2C2110; --crit:#F97066; --crit-bg:#2C1614;
    --shadow:0 1px 2px rgba(0,0,0,.3); --shadow-lg:0 12px 32px rgba(0,0,0,.45);
  }
}
:root[data-theme="light"]{
  --paper:#F4F6F9; --surface:#FFFFFF; --surface-2:#FAFBFD; --ink:#0A1420; --text:#1A2433;
  --muted:#5F6B7C; --faint:#94A0B0; --border:#E5E9EF; --border-strong:#D3DAE3;
  --accent:#0B5297; --accent-ink:#083E73; --accent-weak:#E7F0F9;
  --good:#12B76A; --good-bg:#E7F8F0; --warn:#F79009; --warn-bg:#FEF4E6; --crit:#F04438; --crit-bg:#FEECEB;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06); --shadow-lg:0 8px 24px rgba(16,24,40,.08);
}
:root[data-theme="dark"]{
  --paper:#0A0E17; --surface:#111826; --surface-2:#0E1420; --ink:#F2F5F9; --text:#E3E8F0;
  --muted:#93A0B2; --faint:#6A7688; --border:#1E2736; --border-strong:#2A3444;
  --accent:#3D9BE0; --accent-ink:#8CCBF0; --accent-weak:#11253A;
  --good:#35D08A; --good-bg:#0F2A20; --warn:#F9A03F; --warn-bg:#2C2110; --crit:#F97066; --crit-bg:#2C1614;
  --shadow:0 1px 2px rgba(0,0,0,.3); --shadow-lg:0 12px 32px rgba(0,0,0,.45);
}

*{box-sizing:border-box;}
html,body{margin:0;}
body{background:var(--paper);color:var(--text);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{margin:0;color:var(--ink);text-wrap:balance;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
@media (prefers-reduced-motion:reduce){*{transition:none!important;}}

/* ---- App shell ---- */
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh;}
.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:4px;padding:18px 14px;position:sticky;top:0;height:100vh;}
.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 18px;}
.brand-mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--brand-grad);color:#fff;font-weight:800;font-size:15px;letter-spacing:-.5px;box-shadow:0 4px 12px -2px color-mix(in srgb,var(--brand) 55%,transparent);}
.brand-name{font-weight:700;color:var(--ink);font-size:16px;letter-spacing:-.2px;}
.brand-sub{font-size:11px;color:var(--faint);margin-top:-2px;}
.nav-label{font-size:10.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);padding:14px 10px 6px;}
.nav-item{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:var(--radius-sm);color:var(--muted);font-weight:500;cursor:pointer;transition:background .12s,color .12s;}
.nav-item svg{width:18px;height:18px;flex:none;stroke:currentColor;}
.nav-item:hover{background:var(--surface-2);color:var(--text);}
.nav-item.active{background:var(--accent-weak);color:var(--accent-ink);font-weight:600;}
.nav-item .badge{margin-inline-start:auto;font-size:11px;background:var(--crit-bg);color:var(--crit);padding:1px 7px;border-radius:20px;font-weight:700;}
.sidebar-foot{margin-top:auto;padding:10px;border-top:1px solid var(--border);}
.plan-chip{display:flex;gap:10px;align-items:center;padding:10px;border-radius:var(--radius-sm);background:var(--surface-2);}
.plan-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px var(--good-bg);}

/* ---- Main / topbar ---- */
.main{min-width:0;display:flex;flex-direction:column;}
.topbar{display:flex;align-items:center;gap:16px;padding:14px 28px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5;}
.page-title{font-size:18px;font-weight:700;letter-spacing:-.3px;}
.search{margin-inline-start:8px;flex:1;max-width:340px;display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:8px 12px;color:var(--faint);}
.search input{border:none;background:none;outline:none;color:var(--text);font:inherit;width:100%;}
.top-actions{margin-inline-start:auto;display:flex;align-items:center;gap:10px;}
.balance-chip{display:flex;align-items:center;gap:8px;padding:7px 12px;border-radius:10px;background:var(--surface-2);border:1px solid var(--border);font-weight:600;color:var(--text);}
.balance-chip small{color:var(--faint);font-weight:500;font-size:11px;}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);display:grid;place-items:center;cursor:pointer;color:var(--muted);}
.icon-btn:hover{color:var(--text);border-color:var(--border-strong);}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;}
.avatar{width:38px;height:38px;border-radius:10px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;}

.content{padding:26px 28px 48px;display:flex;flex-direction:column;gap:22px;}
.greeting h1{font-size:22px;letter-spacing:-.4px;}
.greeting p{margin:4px 0 0;color:var(--muted);}

/* ---- KPI ---- */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;}
.kpi .k-top{display:flex;align-items:center;justify-content:space-between;}
.kpi .k-label{color:var(--muted);font-size:12.5px;font-weight:500;}
.kpi .k-ic{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--accent-weak);color:var(--accent-ink);}
.kpi .k-ic svg{width:17px;height:17px;stroke:currentColor;}
.kpi .k-val{font-size:26px;font-weight:750;color:var(--ink);letter-spacing:-.5px;font-variant-numeric:tabular-nums;}
.kpi .k-foot{font-size:12px;color:var(--faint);display:flex;align-items:center;gap:6px;}
.k-foot .up{color:var(--good);font-weight:600;}
.k-foot .due{color:var(--warn);font-weight:600;}

/* ---- Card ---- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);}
.card-head h2{font-size:15px;font-weight:700;letter-spacing:-.2px;}
.card-head .link{color:var(--accent-ink);font-weight:600;font-size:13px;}
.card-head .link:hover{text-decoration:underline;}
.cols{display:grid;grid-template-columns:1.55fr 1fr;gap:22px;}

/* ---- Table ---- */
.tbl-wrap{overflow-x:auto;}
table.data{width:100%;border-collapse:collapse;min-width:560px;}
table.data th{text-align:start;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--faint);padding:11px 20px;border-bottom:1px solid var(--border);background:var(--surface-2);}
table.data td{padding:14px 20px;border-bottom:1px solid var(--border);vertical-align:middle;}
table.data tr:last-child td{border-bottom:none;}
table.data tbody tr:hover{background:var(--surface-2);}
.svc{display:flex;align-items:center;gap:12px;}
.svc-ic{width:36px;height:36px;border-radius:9px;background:var(--accent-weak);color:var(--accent-ink);display:grid;place-items:center;flex:none;}
.svc-ic svg{width:18px;height:18px;stroke:currentColor;}
.svc-name{font-weight:600;color:var(--ink);}
.svc-meta{font-size:12px;color:var(--faint);font-family:var(--mono);}
.amount{font-weight:650;color:var(--text);font-variant-numeric:tabular-nums;}
.amount small{display:block;font-weight:500;color:var(--faint);font-size:11px;font-family:var(--sans);}

/* ---- Pills / badges ---- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.pill .pdot{width:6px;height:6px;border-radius:50%;background:currentColor;}
.pill.ok{color:var(--good);background:var(--good-bg);}
.pill.warn{color:var(--warn);background:var(--warn-bg);}
.pill.crit{color:var(--crit);background:var(--crit-bg);}
.pill.info{color:var(--accent-ink);background:var(--accent-weak);}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:9px;font-weight:600;font-size:13.5px;cursor:pointer;border:1px solid transparent;transition:background .12s,border-color .12s;font-family:inherit;}
.btn svg{width:15px;height:15px;stroke:currentColor;}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 4px 12px -3px color-mix(in srgb,var(--accent) 60%,transparent);}
.btn.primary:hover{background:var(--accent-ink);}
.btn.brand{background:var(--brand-grad);color:#fff;}
.btn.ghost{background:var(--surface-2);color:var(--text);border-color:var(--border);}
.btn.ghost:hover{border-color:var(--border-strong);}
.btn.sm{padding:6px 12px;font-size:12.5px;}
.btn.block{width:100%;justify-content:center;}

/* ---- Lists ---- */
.list{display:flex;flex-direction:column;}
.li{display:flex;align-items:center;gap:14px;padding:14px 20px;border-bottom:1px solid var(--border);}
.li:last-child{border-bottom:none;}
.li-ic{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:none;}
.li-ic.blue{background:var(--accent-weak);color:var(--accent-ink);}
.li-ic.green{background:var(--good-bg);color:var(--good);}
.li-ic.amber{background:var(--warn-bg);color:var(--warn);}
.li-ic svg{width:17px;height:17px;stroke:currentColor;}
.li-main{min-width:0;}
.li-t{font-weight:600;color:var(--ink);}
.li-s{font-size:12px;color:var(--faint);}
.li-end{margin-inline-start:auto;text-align:end;}
.li-amt{font-weight:650;font-variant-numeric:tabular-nums;}
.li-when{font-size:11.5px;color:var(--faint);}

/* ---- Empty state ---- */
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:44px 24px;color:var(--muted);}
.empty .e-ic{width:52px;height:52px;border-radius:14px;background:var(--surface-2);border:1px solid var(--border);display:grid;place-items:center;color:var(--faint);}
.empty .e-ic svg{width:24px;height:24px;stroke:currentColor;}
.empty h3{font-size:15px;}
.empty p{margin:0;max-width:340px;font-size:13px;}

/* ---- Quick actions ---- */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:18px 20px;}
.qa{display:flex;align-items:center;gap:11px;padding:13px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);cursor:pointer;font-weight:600;color:var(--text);transition:border-color .12s,transform .08s;}
.qa:hover{border-color:var(--accent);transform:translateY(-1px);}
.qa .qa-ic{width:32px;height:32px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;color:var(--accent-ink);flex:none;}
.qa .qa-ic svg{width:16px;height:16px;stroke:currentColor;}

/* ---- Auth (giriş) ---- */
.auth{min-height:100vh;display:grid;grid-template-columns:1fr;place-items:center;padding:24px;background:
  radial-gradient(1200px 500px at 100% -10%, color-mix(in srgb,var(--brand-2) 16%,transparent), transparent),
  radial-gradient(900px 500px at -10% 110%, color-mix(in srgb,var(--brand) 14%,transparent), transparent),
  var(--paper);}
.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:32px 30px;}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.auth-brand .brand-mark{width:40px;height:40px;font-size:17px;}
.auth h1{font-size:20px;letter-spacing:-.3px;}
.auth .sub{color:var(--muted);margin:4px 0 22px;font-size:13.5px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field label{font-size:12.5px;font-weight:600;color:var(--text);}
.field input{padding:11px 13px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface-2);color:var(--text);font:inherit;outline:none;transition:border-color .12s,box-shadow .12s;}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-weak);}
.auth .row-between{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;font-size:13px;}
.auth .row-between a{color:var(--accent-ink);font-weight:600;}
.checkbox{display:flex;align-items:center;gap:7px;color:var(--muted);}
.form-error{background:var(--crit-bg);color:var(--crit);border-radius:10px;padding:10px 13px;font-size:13px;font-weight:500;margin-bottom:16px;}
.auth-foot{text-align:center;color:var(--muted);font-size:13px;margin-top:20px;}
.auth-foot a{color:var(--accent-ink);font-weight:600;}

/* ---- Responsive ---- */
@media (max-width:1000px){
  .app{grid-template-columns:1fr;}
  .sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;}
  .sidebar .nav-label,.sidebar-foot{display:none;}
  .kpi-row{grid-template-columns:repeat(2,1fr);}
  .cols{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .kpi-row{grid-template-columns:1fr 1fr;}
  .search{display:none;}
  .content{padding:20px 16px 40px;}
  .topbar{padding:12px 16px;}
}