/* Sistem fontları — dış bağlantı yok, HTTP'de de çalışır */

:root {
  --primary:#0f766e; --primary-l:#14b8a6; --primary-d:#0d5752; --primary-bg:#f0fdfa;
  --accent:#f59e0b;  --danger:#dc2626;    --success:#16a34a;   --warning:#d97706;
  --info:#2563eb;
  --bg:#f1f5f9; --bg2:#ffffff; --bg3:#f8fafc;
  --sidebar:#0f1729; --sidebar-t:#94a3b8; --sidebar-a:#14b8a6;
  --text:#0f172a; --text2:#475569; --text3:#94a3b8;
  --border:#e2e8f0; --border2:#cbd5e1;
  --shadow:0 1px 3px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 10px 40px rgba(0,0,0,.12);
  --radius:10px; --radius-lg:16px; --radius-sm:6px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'Courier New',Courier,monospace;
  --sidebar-w:248px;
}

/* ── Kategori renk sistemi ───────────────────────── */
.cat-elektronik { --c:#3B82F6; --cb:#EFF6FF; }
.cat-tarim      { --c:#16A34A; --cb:#F0FDF4; }
.cat-otomasyon  { --c:#7C3AED; --cb:#F5F3FF; }
.cat-enerji     { --c:#F59E0B; --cb:#FFFBEB; }
.cat-uretim     { --c:#64748B; --cb:#F8FAFC; }
.cat-kozmetik   { --c:#EC4899; --cb:#FDF2F8; }
.cat-tekstil    { --c:#06B6D4; --cb:#ECFEFF; }
.cat-ev         { --c:#F97316; --cb:#FFF7ED; }
.cat-spor       { --c:#10B981; --cb:#ECFDF5; }
.cat-gida       { --c:#84CC16; --cb:#F7FEE7; }
.cat-default    { --c:#6366F1; --cb:#EEF2FF; }

/* Opportunity badge renkleri */
.opp-hot   { background:#fef2f2; color:#dc2626; border:1px solid #fecaca; }
.opp-opp   { background:#f0fdf4; color:#16a34a; border:1px solid #bbf7d0; }
.opp-risky { background:#fffbeb; color:#d97706; border:1px solid #fde68a; }
.opp-sat   { background:#f1f5f9; color:#64748b; border:1px solid #cbd5e1; }

* { margin:0; padding:0; box-sizing:border-box; }
html { font-size:15px; scroll-behavior:smooth; }
body { font-family:var(--font); background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased; }
a { color:var(--primary); text-decoration:none; }

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

/* ── Sidebar ─────────────────────────────────────── */
.sidebar {
  width:var(--sidebar-w); background:var(--sidebar);
  position:fixed; inset:0 auto 0 0; z-index:200;
  display:flex; flex-direction:column; overflow-y:auto;
  transition:transform .3s;
}
.sb-logo { padding:22px 20px 18px; border-bottom:1px solid rgba(255,255,255,.06); }
.sb-brand { font-size:20px; font-weight:700; color:#fff; letter-spacing:-.5px; }
.sb-brand span { color:var(--sidebar-a); }
.sb-tag { font-size:10px; color:var(--text3); letter-spacing:2px; text-transform:uppercase; margin-top:2px; }
.sb-nav { padding:12px 0; flex:1; }
.sb-sec { font-size:10px; color:rgba(255,255,255,.25); letter-spacing:2px; text-transform:uppercase; padding:10px 18px 5px; }
.sb-item {
  display:flex; align-items:center; gap:10px;
  padding:9px 18px; color:var(--sidebar-t); font-size:13.5px; font-weight:500;
  border-left:3px solid transparent; transition:.15s; cursor:pointer; text-decoration:none;
}
.sb-item:hover  { background:rgba(255,255,255,.06); color:#fff; }
.sb-item.active { background:rgba(20,184,166,.12); color:var(--sidebar-a); border-left-color:var(--sidebar-a); }
.sb-item .ic    { width:18px; text-align:center; font-size:14px; flex-shrink:0; }
.sb-badge { margin-left:auto; background:var(--danger); color:#fff; font-size:10px; padding:2px 7px; border-radius:10px; }
.sb-foot { padding:14px 18px; border-top:1px solid rgba(255,255,255,.06); }
.sb-user { display:flex; align-items:center; gap:10px; }
.sb-av { width:34px; height:34px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--primary-l)); display:flex; align-items:center; justify-content:center; font-size:14px; font-weight:700; color:#fff; flex-shrink:0; }
.sb-un { font-size:13px; font-weight:600; color:#fff; }
.sb-up { font-size:10px; color:var(--accent); text-transform:uppercase; letter-spacing:1px; }

/* ── Main ────────────────────────────────────────── */
.main { margin-left:var(--sidebar-w); flex:1; display:flex; flex-direction:column; min-height:100vh; }

/* ── Topbar ──────────────────────────────────────── */
.topbar { background:var(--bg2); border-bottom:1px solid var(--border); height:60px; padding:0 24px; display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:100; }
.topbar-l { display:flex; align-items:center; gap:12px; }
.page-title { font-size:17px; font-weight:600; color:var(--text); }
.topbar-r { display:flex; align-items:center; gap:10px; }
.tb-btn { padding:6px 14px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--bg2); color:var(--text2); font-size:13px; font-weight:500; cursor:pointer; font-family:var(--font); transition:.15s; }
.tb-btn:hover { border-color:var(--primary); color:var(--primary); }
.tb-notif { width:36px; height:36px; border:1px solid var(--border); border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; cursor:pointer; position:relative; font-size:15px; background:var(--bg2); text-decoration:none; }
.tb-dot { width:7px; height:7px; background:var(--danger); border-radius:50%; position:absolute; top:6px; right:6px; }
.lang-sw { display:flex; background:var(--bg3); border-radius:var(--radius-sm); padding:2px; }
.lang-btn { padding:4px 10px; border-radius:4px; font-size:12px; font-weight:600; cursor:pointer; border:none; background:transparent; color:var(--text3); transition:.15s; }
.lang-btn.on { background:var(--bg2); color:var(--text); box-shadow:var(--shadow); }
.sb-toggle { display:none; width:36px; height:36px; border:1px solid var(--border); border-radius:var(--radius-sm); align-items:center; justify-content:center; cursor:pointer; background:var(--bg2); font-size:16px; }

/* ── Page body ───────────────────────────────────── */
.body { padding:24px; flex:1; }

/* ── Cards ───────────────────────────────────────── */
.card { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.card-h { padding:15px 20px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
.card-t { font-size:14px; font-weight:600; }
.card-b { padding:20px; }
.card-f { padding:12px 20px; border-top:1px solid var(--border); background:var(--bg3); }

/* ── Stat cards ──────────────────────────────────── */
.stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin-bottom:24px; }
.stat { background:var(--bg2); border:1px solid var(--border); border-radius:var(--radius-lg); padding:18px 20px; position:relative; overflow:hidden; transition:.2s; }
.stat:hover { box-shadow:var(--shadow-md); transform:translateY(-1px); }
.stat::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; border-radius:var(--radius-lg) var(--radius-lg) 0 0; }
.stat.teal::before  { background:linear-gradient(90deg,var(--primary),var(--primary-l)); }
.stat.amber::before { background:linear-gradient(90deg,#d97706,#fbbf24); }
.stat.blue::before  { background:linear-gradient(90deg,#1d4ed8,#60a5fa); }
.stat.purple::before{ background:linear-gradient(90deg,#7c3aed,#a78bfa); }
.stat.red::before   { background:linear-gradient(90deg,#dc2626,#f87171); }
.stat-ic { width:38px; height:38px; border-radius:var(--radius); display:flex; align-items:center; justify-content:center; font-size:17px; margin-bottom:10px; }
.stat-ic.teal  { background:#f0fdfa; }
.stat-ic.amber { background:#fffbeb; }
.stat-ic.blue  { background:#eff6ff; }
.stat-ic.purple{ background:#f5f3ff; }
.stat-ic.red   { background:#fef2f2; }
.stat-lbl { font-size:11px; color:var(--text3); text-transform:uppercase; letter-spacing:.5px; }
.stat-val { font-size:26px; font-weight:700; color:var(--text); margin:4px 0; font-family:var(--mono); }
.stat-ch  { font-size:12px; }
.stat-ch.up   { color:var(--success); }
.stat-ch.down { color:var(--danger); }
.stat-ch.neu  { color:var(--text3); }

/* ── Product cards grid ──────────────────────────── */
.prod-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; }
.prod-card { background:var(--bg2); border:1.5px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; transition:.2s; cursor:pointer; }
.prod-card:hover { border-color:var(--c,var(--primary)); box-shadow:var(--shadow-md); transform:translateY(-2px); }
.prod-card-img { height:120px; display:flex; align-items:center; justify-content:center; font-size:48px; position:relative; }
.prod-card-body { padding:14px 16px; }
.prod-cat-tag { display:inline-flex; align-items:center; gap:5px; font-size:11px; font-weight:600; padding:3px 10px; border-radius:20px; margin-bottom:8px; background:var(--cb,#eef2ff); color:var(--c,#6366f1); }
.prod-name { font-size:14px; font-weight:600; color:var(--text); margin-bottom:6px; line-height:1.4; }
.prod-price { font-family:var(--mono); font-size:18px; font-weight:700; color:var(--primary); }
.prod-meta { display:flex; justify-content:space-between; align-items:center; margin-top:10px; }
.prod-score { display:flex; align-items:center; gap:6px; }
.prod-score-bar { width:40px; height:4px; background:var(--bg3); border-radius:2px; }
.prod-score-fill { height:100%; border-radius:2px; transition:width .4s; }
.prod-actions { display:flex; gap:6px; margin-top:12px; }

/* ── Table ───────────────────────────────────────── */
.tbl-wrap { overflow-x:auto; }
table.tbl { width:100%; border-collapse:collapse; font-size:13.5px; }
.tbl thead th { background:var(--bg3); padding:10px 16px; text-align:left; font-size:11px; font-weight:600; color:var(--text3); text-transform:uppercase; letter-spacing:.8px; border-bottom:1px solid var(--border); white-space:nowrap; }
.tbl tbody td { padding:12px 16px; border-bottom:1px solid var(--border); vertical-align:middle; }
.tbl tbody tr:last-child td { border-bottom:none; }
.tbl tbody tr:hover td { background:var(--bg3); }

/* ── Badges ──────────────────────────────────────── */
.badge { display:inline-flex; align-items:center; gap:4px; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; white-space:nowrap; }
.badge-teal   { background:#f0fdfa; color:var(--primary-d); }
.badge-green  { background:#f0fdf4; color:var(--success); }
.badge-amber  { background:#fffbeb; color:var(--warning); }
.badge-red    { background:#fef2f2; color:var(--danger); }
.badge-blue   { background:#eff6ff; color:var(--info); }
.badge-gray   { background:var(--bg3); color:var(--text2); }
.badge-purple { background:#f5f3ff; color:#7c3aed; }

/* ── Buttons ─────────────────────────────────────── */
.btn { display:inline-flex; align-items:center; gap:6px; padding:9px 18px; border-radius:var(--radius); font-size:13.5px; font-weight:600; cursor:pointer; border:1.5px solid transparent; transition:.15s; font-family:var(--font); line-height:1; text-decoration:none; }
.btn-primary { background:var(--primary); color:#fff; border-color:var(--primary); }
.btn-primary:hover { background:var(--primary-d); }
.btn-outline { background:transparent; color:var(--primary); border-color:var(--primary); }
.btn-outline:hover { background:var(--primary-bg); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-gray   { background:var(--bg3); color:var(--text2); border-color:var(--border); }
.btn-gray:hover { border-color:var(--border2); }
.btn-sm { padding:6px 12px; font-size:12px; }
.btn-lg { padding:12px 26px; font-size:15px; }
.btn-block { width:100%; justify-content:center; }
.btn:disabled { opacity:.5; cursor:not-allowed; }

/* ── Forms ───────────────────────────────────────── */
.field { margin-bottom:16px; }
.field label { display:block; font-size:12px; font-weight:600; color:var(--text2); margin-bottom:5px; text-transform:uppercase; letter-spacing:.5px; }
.inp, .sel, .tarea {
  width:100%; background:var(--bg); border:1.5px solid var(--border);
  border-radius:var(--radius); padding:9px 13px;
  font-size:14px; color:var(--text); font-family:var(--font); outline:none; transition:.15s;
}
.inp:focus,.sel:focus,.tarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(15,118,110,.1); }
.inp::placeholder { color:var(--text3); }
.tarea { resize:vertical; }

/* ── Score bar ───────────────────────────────────── */
.sc-wrap { display:flex; align-items:center; gap:8px; }
.sc-bar { flex:1; min-width:50px; height:5px; background:var(--bg3); border-radius:3px; overflow:hidden; }
.sc-fill { height:100%; border-radius:3px; transition:width .5s; }
.sc-num { font-family:var(--mono); font-size:12px; color:var(--text3); min-width:22px; }

/* ── Alerts ──────────────────────────────────────── */
.alert { padding:12px 16px; border-radius:var(--radius); font-size:13.5px; margin-bottom:16px; border:1px solid transparent; }
.alert-success { background:#f0fdf4; color:var(--success); border-color:#bbf7d0; }
.alert-danger  { background:#fef2f2; color:var(--danger);  border-color:#fecaca; }
.alert-warning { background:#fffbeb; color:var(--warning); border-color:#fde68a; }
.alert-info    { background:#eff6ff; color:var(--info);    border-color:#bfdbfe; }

/* ── Auth ────────────────────────────────────────── */
.auth-shell { min-height:100vh; display:grid; grid-template-columns:1fr 1fr; }
.auth-l { background:var(--sidebar); display:flex; flex-direction:column; justify-content:center; padding:60px; position:relative; overflow:hidden; }
.auth-l::before { content:''; position:absolute; width:400px; height:400px; background:radial-gradient(circle,rgba(20,184,166,.15),transparent 70%); top:-100px; right:-100px; border-radius:50%; }
.auth-r { display:flex; align-items:center; justify-content:center; padding:40px; }
.auth-form { width:100%; max-width:400px; }
.auth-brand { font-size:32px; font-weight:700; color:#fff; }
.auth-brand span { color:var(--sidebar-a); }

/* ── Pagination ──────────────────────────────────── */
.pages { display:flex; gap:4px; justify-content:center; margin-top:20px; flex-wrap:wrap; }
.pg { padding:7px 12px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--bg2); font-size:13px; cursor:pointer; color:var(--text2); transition:.15s; text-decoration:none; }
.pg:hover { border-color:var(--primary); color:var(--primary); }
.pg.on { background:var(--primary); color:#fff; border-color:var(--primary); }

/* ── Filter bar ──────────────────────────────────── */
.filter-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:10px; align-items:end; }

/* ── Animations ──────────────────────────────────── */
@keyframes fadeUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
.fade-up { animation:fadeUp .35s ease both; }
@keyframes spin { to{transform:rotate(360deg)} }
.spin { animation:spin .7s linear infinite; }

/* ── Responsive ──────────────────────────────────── */
@media(max-width:900px) {
  .auth-l { display:none; }
  .auth-shell { grid-template-columns:1fr; }
  .prod-grid { grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); }
}
@media(max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:none; }
  .main { margin-left:0; }
  .sb-toggle { display:flex; }
  .body { padding:16px; }
  .stats { grid-template-columns:1fr 1fr; }
}
@media(max-width:480px) {
  .stats { grid-template-columns:1fr; }
  .prod-grid { grid-template-columns:1fr; }
}