/* ===== Kısalt — Premium UI ===== */
:root {
  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1080px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow: 0 10px 30px -12px rgba(0,0,0,.35);
  --shadow-lg: 0 24px 60px -20px rgba(0,0,0,.55);
  --brand: #6366f1;
  --brand-2: #8b5cf6;
  --grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 55%, #ec4899 100%);
}
:root[data-theme="dark"] {
  --bg: #0b0f1a;
  --bg-soft: #111726;
  --panel: #141b2d;
  --panel-2: #1a2338;
  --border: #26304a;
  --text: #e7ecf5;
  --muted: #93a0bd;
  --input: #0f1524;
  --ok: #34d399; --ok-bg: rgba(52,211,153,.12);
  --err: #f87171; --err-bg: rgba(248,113,113,.12);
  --warn:#fbbf24;
}
:root[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: #eef1f8;
  --panel: #ffffff;
  --panel-2: #f7f9fd;
  --border: #e3e8f2;
  --text: #16203a;
  --muted: #64708c;
  --input: #ffffff;
  --ok: #059669; --ok-bg: rgba(5,150,105,.10);
  --err: #dc2626; --err-bg: rgba(220,38,38,.10);
  --warn:#d97706;
  --shadow: 0 10px 30px -14px rgba(30,41,80,.20);
  --shadow-lg: 0 24px 60px -24px rgba(30,41,80,.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(139,92,246,.14), transparent 60%),
    radial-gradient(1000px 500px at -10% 0%, rgba(99,102,241,.12), transparent 55%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); }

/* ---- Topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; }
.brand-mark { font-size: 22px; filter: drop-shadow(0 4px 10px rgba(139,92,246,.5)); }
.brand-name { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav > a { padding: 8px 12px; border-radius: 8px; color: var(--muted); font-weight: 500; font-size: 14px; transition: .15s; }
.nav > a:hover { color: var(--text); background: var(--panel); }
.nav > a.active { color: var(--text); background: var(--panel); }
.nav-user { display: flex; align-items: center; gap: 8px; margin-left: 6px; padding-left: 10px; border-left: 1px solid var(--border); }
.chip { font-size: 13px; color: var(--text); font-weight: 600; display:inline-flex; align-items:center; gap:6px; }
.icon-btn { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; width: 36px; height: 36px; cursor: pointer; font-size: 15px; color: var(--text); }
.icon-btn:hover { background: var(--panel-2); }

/* ---- Layout ---- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 28px 20px 60px; }
.footer { border-top: 1px solid var(--border); margin-top: 40px; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 22px 20px; display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }

/* ---- Typography ---- */
h1 { font-size: 26px; font-weight: 800; margin: 0 0 4px; letter-spacing: -.02em; }
h2 { font-size: 18px; font-weight: 700; margin: 0 0 14px; letter-spacing: -.01em; }
h3 { font-size: 15px; font-weight: 600; margin: 0 0 10px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }
.subtitle { color: var(--muted); font-size: 14px; }

/* ---- Cards ---- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card + .card { margin-top: 18px; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 820px){ .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; } .split { grid-template-columns: 1fr !important; } }

/* ---- Stat tiles ---- */
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.stat::before { content:""; position:absolute; inset:0 auto 0 0; width:4px; background: var(--grad); }
.stat .label { color: var(--muted); font-size: 13px; font-weight: 500; }
.stat .value { font-size: 30px; font-weight: 800; letter-spacing: -.03em; margin-top: 4px; }

/* ---- Forms ---- */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.hint { font-size: 12px; color: var(--muted); font-weight: 400; }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; padding: 11px 13px; background: var(--input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 14px; font-family: inherit; transition: .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(99,102,241,.18); }
.field { margin-bottom: 15px; }
.field-row { display: flex; gap: 12px; }
.field-row > * { flex: 1; }
.check { display: flex; align-items: center; gap: 9px; font-weight: 500; }
.check input { width: auto; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 11px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; cursor: pointer; border: 1px solid transparent; font-family: inherit; transition: .15s; white-space: nowrap; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px -8px rgba(99,102,241,.7); }
.btn-primary:hover { filter: brightness(1.07); transform: translateY(-1px); }
.btn-ghost { background: var(--panel-2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-danger { background: var(--err-bg); color: var(--err); border-color: color-mix(in srgb, var(--err) 30%, transparent); }
.btn-danger:hover { background: color-mix(in srgb, var(--err) 22%, transparent); }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; padding: 12px 14px; background: var(--panel-2); color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
.mono { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 13px; }

/* ---- Badges ---- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .02em; }
.badge-admin { background: rgba(236,72,153,.16); color: #ec4899; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-off { background: var(--err-bg); color: var(--err); }
.badge-warn { background: rgba(251,191,36,.16); color: var(--warn); }
.badge-muted { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }

/* ---- Flash ---- */
.flash { padding: 13px 16px; border-radius: var(--radius-sm); margin-bottom: 20px; font-weight: 500; font-size: 14px; border: 1px solid transparent; }
.flash-success { background: var(--ok-bg); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.flash-error { background: var(--err-bg); color: var(--err); border-color: color-mix(in srgb, var(--err) 30%, transparent); }

/* ---- Auth pages ---- */
.auth-wrap { max-width: 420px; margin: 40px auto; }
.auth-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 34px; box-shadow: var(--shadow-lg); }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head .brand-mark { font-size: 40px; display:block; margin-bottom: 8px; }
.auth-alt { text-align: center; margin-top: 18px; font-size: 14px; color: var(--muted); }
.auth-alt a { color: var(--brand); font-weight: 600; }

/* ---- Link row / short url ---- */
.shorturl { display: inline-flex; align-items: center; gap: 8px; }
.shorturl code { background: var(--panel-2); padding: 4px 9px; border-radius: 7px; font-size: 13px; border: 1px solid var(--border); }
.copy-btn { cursor: pointer; border: 1px solid var(--border); background: var(--panel-2); border-radius: 7px; padding: 4px 9px; font-size: 12px; color: var(--muted); }
.copy-btn:hover { color: var(--text); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.truncate { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Bar chart ---- */
.bars { display: flex; align-items: flex-end; gap: 5px; height: 140px; padding-top: 8px; }
.bars .bar { flex: 1; background: var(--grad); border-radius: 5px 5px 0 0; min-height: 3px; position: relative; opacity: .9; transition: .2s; }
.bars .bar:hover { opacity: 1; }
.bars .bar span { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--muted); margin-bottom: 3px; opacity: 0; white-space: nowrap; }
.bars .bar:hover span { opacity: 1; }
.bar-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 6px; }

/* ---- Distribution list ---- */
.dist { list-style: none; padding: 0; margin: 0; }
.dist li { margin-bottom: 11px; }
.dist .dist-top { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.dist .track { height: 7px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.dist .fill { height: 100%; background: var(--grad); border-radius: 999px; }

/* ---- Hero (home) ---- */
.hero { text-align: center; padding: 60px 20px 40px; }
.hero h1 { font-size: 46px; line-height: 1.08; letter-spacing: -.03em; }
.hero .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 18px; color: var(--muted); max-width: 560px; margin: 16px auto 28px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; }
.features { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 40px; }
@media (max-width: 820px){ .features { grid-template-columns: 1fr; } .hero h1 { font-size: 34px; } }
.feature { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.feature .ico { font-size: 26px; margin-bottom: 10px; }
.feature h3 { margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 14px; margin: 0; }

.split { display: grid; grid-template-columns: 340px 1fr; gap: 18px; align-items: start; }
.empty { text-align: center; padding: 46px 20px; color: var(--muted); }
.empty .ico { font-size: 40px; margin-bottom: 10px; }
.section-title { display:flex; justify-content: space-between; align-items:center; margin-bottom: 14px; }
.qr-box { text-align:center; }
.qr-box img { width: 190px; height: 190px; border-radius: 12px; background:#fff; padding: 8px; }
.kv { display:flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--muted); }