/* ============ Tasarım · "havuz" ============
   Okyanus mavisi degrade kenar çubuğu, büyük yuvarlak kartlar, renkli özet kutuları, iri yazı.
   Sahada telefonla kullanım için büyük dokunma alanları. */
:root {
  --bg: #eaf4f9; --surface: #ffffff; --ink: #0a2540; --muted: #5a7288; --line: #d9e6ee;
  --brand: #0891b2; --brand-soft: rgba(8,145,178,.12); --brand-ink: #fff;
  --good: #0ea371; --mid: #f08c00; --bad: #e5484d;
  --side: #0a2540; --side-ink: #b7d0e4; --radius: 20px;
}
body {
  font-size: 15px; font-family: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
  background: radial-gradient(1200px 500px at 85% -10%, rgba(8,145,178,.14), transparent 60%), var(--bg);
}
h1 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: 16px; font-weight: 700; }

/* kenar çubuğu: koyu degrade */
.sidebar { background: linear-gradient(185deg, #0a2540 0%, #0b4a6f 100%); width: auto; }
.layout { grid-template-columns: 252px minmax(0, 1fr); }
.brand-mark { background: linear-gradient(135deg, #22d3ee, #0891b2); border-radius: 12px; width: 40px; height: 40px; font-size: 18px; box-shadow: 0 6px 16px rgba(34,211,238,.35); }
.sidebar nav a { border-radius: 14px; padding: 11px 14px; font-weight: 600; }
.sidebar nav a:hover { background: rgba(255,255,255,.09); color: #fff; }
.sidebar nav a.active { background: #fff; color: #0a2540; box-shadow: 0 8px 20px rgba(0,0,0,.18); }
.sidebar nav svg { width: 20px; height: 20px; }

/* kartlar: gölgeli, kenarlıksız */
.card { border: 0; box-shadow: 0 10px 30px rgba(10,37,64,.07); padding: 20px; }
.card-head h2 { font-size: 17px; }

/* karşılama: büyük degrade başlık */
.hero { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; color: #fff; padding: 26px 28px; margin-bottom: 20px; border-radius: 26px;
  background: radial-gradient(500px 220px at 100% 0%, rgba(34,211,238,.45), transparent 70%), linear-gradient(120deg, #0a2540 0%, #0b6a8f 100%); box-shadow: 0 16px 36px rgba(10,37,64,.22); }
.hero h2 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.hero p { margin-top: 4px; opacity: .85; font-size: 15px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero .btn { height: 44px; padding: 0 20px; display: inline-grid; place-items: center; background: #fff; color: #0a2540; border-radius: 999px; font-weight: 700; box-shadow: none; }
.hero .btn.ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.28); }

/* özet kutuları: renkli */
.kpis { gap: 16px; }
.kpi { border: 0; color: #fff; padding: 20px; border-radius: 22px; box-shadow: 0 12px 26px rgba(10,37,64,.14); }
.kpi:nth-child(1) { background: linear-gradient(140deg, #0e7490, #22b8d4); }
.kpi:nth-child(2) { background: linear-gradient(140deg, #0b8f63, #34d399); }
.kpi:nth-child(3) { background: linear-gradient(140deg, #2563eb, #60a5fa); }
.kpi:nth-child(4) { background: linear-gradient(140deg, #7c3aed, #a78bfa); }
.kpi:nth-child(5) { background: linear-gradient(140deg, #ea7a00, #fbbf24); }
.kpi-label, .kpi-sub { color: rgba(255,255,255,.88); }
.kpi-label { font-weight: 600; font-size: 13px; }
.kpi-value { font-size: 34px; font-weight: 800; letter-spacing: -.03em; }
.kpi-value small { color: rgba(255,255,255,.8); }
.kpi-value.good, .kpi-value.mid, .kpi-value.low { color: #fff; }
.kpis.k5 .kpi:nth-child(1) { background: linear-gradient(140deg, #0e7490, #22b8d4); }
.kpis.k5 .kpi:nth-child(2) { background: linear-gradient(140deg, #2563eb, #60a5fa); }
.kpis.k5 .kpi:nth-child(3) { background: linear-gradient(140deg, #7c3aed, #a78bfa); }
.kpis.k5 .kpi:nth-child(4) { background: linear-gradient(140deg, #0b8f63, #34d399); }
.kpis.k5 .kpi:nth-child(5) { background: linear-gradient(140deg, #ea7a00, #fbbf24); }
.kpis.k4 .kpi:nth-child(5) { background: none; }
.kpis.k4 .kpi:nth-child(1) { background: linear-gradient(140deg, #0e7490, #22b8d4); }
.kpis.k4 .kpi:nth-child(2) { background: linear-gradient(140deg, #2563eb, #60a5fa); }
.kpis.k4 .kpi:nth-child(3) { background: linear-gradient(140deg, #7c3aed, #a78bfa); }
.kpis.k4 .kpi:nth-child(4) { background: linear-gradient(140deg, #ea7a00, #fbbf24); }

/* düğmeler ve seçiciler */
.btn { height: 42px; border-radius: 999px; padding: 0 20px; background: linear-gradient(135deg, #0891b2, #0e7490); box-shadow: 0 8px 18px rgba(8,145,178,.3); font-weight: 700; }
.btn.ghost { background: #fff; color: var(--ink); box-shadow: none; border: 1px solid var(--line); }
.btn.sm { height: 32px; padding: 0 12px; }
.btn.danger { background: var(--bad); box-shadow: none; }
.seg { border-radius: 999px; background: #fff; border: 0; box-shadow: 0 4px 14px rgba(10,37,64,.07); padding: 4px; }
.seg a, .seg label { border-radius: 999px; padding: 9px 16px; font-weight: 600; }
.seg a.on, .seg label.on { background: linear-gradient(135deg, #0891b2, #0e7490); color: #fff; }
.seg-sub { box-shadow: none; background: transparent; }
.seg-sub a { background: #fff; box-shadow: 0 4px 14px rgba(10,37,64,.06); border: 0; }
.seg-sub a.on { background: var(--ink); color: #fff; }
.pill { border-radius: 999px; padding: 3px 11px; font-weight: 700; }
input, select { border-radius: 14px !important; }
.month-nav a, .date-nav a { border-radius: 14px; border: 0; box-shadow: 0 4px 14px rgba(10,37,64,.07); }
.month-nav input, .date-nav input { border: 0; box-shadow: 0 4px 14px rgba(10,37,64,.07); }

/* giriş ekranı: büyük dokunma alanı, dolgun düğmeler */
.opt { height: 46px; min-width: 52px; border-radius: 14px; font-weight: 600; font-size: 14px; }
.opt.on { box-shadow: 0 6px 14px rgba(10,37,64,.2); }
.row { padding: 14px 8px; }
.team-chip { border-radius: 16px; border: 2px solid transparent; background: #f0f7fb; padding: 12px 14px; }
.team-chip.done { border-color: var(--good); background: rgba(14,163,113,.08); }
.team-chip.part { border-color: var(--mid); background: rgba(240,140,0,.08); }
.team-chip.sel { outline: 3px solid var(--brand); }

/* tablolar */
thead th { background: #f0f7fb; border-bottom: 0; color: var(--muted); }
thead th:first-child { border-radius: 12px 0 0 12px; } thead th:last-child { border-radius: 0 12px 12px 0; }
td { padding: 13px 10px; }
.avatar { border-radius: 22px; background: linear-gradient(135deg, #22d3ee, #0891b2); color: #fff; width: 72px; height: 72px; font-size: 24px; }
.login-card { border: 0; border-radius: 28px; box-shadow: 0 24px 60px rgba(10,37,64,.18); }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .hero { padding: 20px; border-radius: 22px; }
  .hero h2 { font-size: 22px; }
  .hero .btn { flex: 1 1 auto; }
  .kpi-value { font-size: 28px; }
  h1 { font-size: 22px; }
}