:root {
  --bg: #0b1220;
  --bg-elev: #121a2b;
  --panel: #162033;
  --line: rgba(255,255,255,.08);
  --text: #e8eef8;
  --muted: #93a0b8;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --warn: #f59e0b;
  --danger: #f87171;
  --ok: #34d399;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 16px;
  --font: "Manrope", "Segoe UI", sans-serif;
  --display: "Sora", "Manrope", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(45,212,191,.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(56,189,248,.14), transparent 50%),
    linear-gradient(180deg, #0b1220 0%, #0a101c 100%);
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: rgba(11,18,32,.85);
  border-right: 1px solid var(--line);
  padding: 1.25rem 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem .65rem 1.25rem;
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 24px rgba(45,212,191,.35);
}
.brand strong {
  display: block;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: -.02em;
}
.brand span { color: var(--muted); font-size: .78rem; }

.nav { display: grid; gap: .25rem; }
.nav a {
  color: var(--muted);
  padding: .7rem .85rem;
  border-radius: 12px;
  text-decoration: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav a:hover, .nav a.active {
  background: rgba(45,212,191,.1);
  color: var(--text);
  text-decoration: none;
}

.main { padding: 1.25rem 1.5rem 2.5rem; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; margin-bottom: 1.25rem;
}
.topbar h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: -.03em;
}
.topbar p { margin: .25rem 0 0; color: var(--muted); font-size: .92rem; }

.btn {
  appearance: none; border: 0; cursor: pointer;
  border-radius: 12px; padding: .65rem 1rem;
  font-weight: 650; font-family: inherit;
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #042f2e;
}
.btn:hover { filter: brightness(1.05); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.btn-sm { padding: .4rem .7rem; font-size: .85rem; border-radius: 10px; }

.grid { display: grid; gap: 1rem; }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }

.card {
  background: linear-gradient(180deg, rgba(22,32,51,.95), rgba(18,26,43,.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
}
.card h3 { margin: 0 0 .35rem; font-size: .92rem; color: var(--muted); font-weight: 600; }
.card .kpi {
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: -.03em;
}
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.danger { color: var(--danger); }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .7rem .55rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }

.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .2rem .55rem; border-radius: 999px;
  font-size: .75rem; font-weight: 650;
  background: rgba(45,212,191,.12); color: var(--accent);
}
.badge.urgent { background: rgba(248,113,113,.15); color: var(--danger); }
.badge.high { background: rgba(245,158,11,.15); color: var(--warn); }

.kanban {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: .85rem;
  overflow-x: auto;
  padding-bottom: .5rem;
}
.kanban-col {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  border-radius: 14px;
  min-height: 420px;
  padding: .7rem;
}
.kanban-col h4 {
  margin: 0 0 .7rem;
  font-size: .82rem;
  color: var(--muted);
  display: flex; justify-content: space-between;
}
.ticket {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .75rem;
  margin-bottom: .6rem;
}
.ticket strong { display: block; margin-bottom: .25rem; }
.ticket .meta { color: var(--muted); font-size: .8rem; }

.form { display: grid; gap: .75rem; }
label { display: grid; gap: .35rem; font-size: .85rem; color: var(--muted); }
input, select, textarea {
  width: 100%;
  background: #0d1524;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: .7rem .8rem;
  font: inherit;
}
textarea { min-height: 90px; resize: vertical; }

.auth-page {
  min-height: 100vh; display: grid; place-items: center; padding: 1.5rem;
}
.auth-card { width: min(420px, 100%); }
.auth-card h1 {
  font-family: var(--display);
  margin: 0 0 .35rem;
  letter-spacing: -.03em;
}
.flash {
  margin-bottom: 1rem; padding: .75rem .9rem; border-radius: 12px;
  background: rgba(45,212,191,.12); border: 1px solid rgba(45,212,191,.25);
}
.flash.error { background: rgba(248,113,113,.12); border-color: rgba(248,113,113,.3); }

.landing {
  max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem 4rem;
}
.hero {
  display: grid; gap: 1rem; padding: 2.5rem 0 2rem;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin: 0;
  max-width: 14ch;
}
.hero p { color: var(--muted); font-size: 1.05rem; max-width: 48ch; margin: 0; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .5rem; }
.pill {
  display: inline-flex; gap: .4rem; align-items: center;
  color: var(--accent); font-weight: 650; font-size: .85rem;
}

@media (max-width: 1100px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .kanban { grid-template-columns: repeat(5, 240px); }
}
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}