:root {
  --bg: #06090f;
  --panel: rgba(18, 26, 42, 0.92);
  --border: rgba(255, 255, 255, 0.1);
  --text: #f4f7fb;
  --muted: rgba(244, 247, 251, 0.62);
  --accent: #ff5c3a;
  --teal: #3ee0c8;
  --danger: #ff6b7a;
  --ok: #42d392;
  --radius: 14px;
  --font: 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 92, 58, 0.16), transparent 60%),
    linear-gradient(180deg, #0a0f18 0%, var(--bg) 100%);
  font-family: var(--font);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--teal); }

button, input, textarea, select {
  font: inherit;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.center {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}

.brand {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.muted { color: var(--muted); }
.small { font-size: 0.9rem; margin: 4px 0 0; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.nav-link {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
}

.nav-link.active,
.nav-link:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255,255,255,0.04);
}

.nav-out button {
  margin-left: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
}

.card, .stat, .login {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.login {
  width: min(100%, 400px);
  display: grid;
  gap: 12px;
}

.login h1 { margin: 0; }

label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  color: var(--muted);
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button.secondary, .button.secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

button.danger {
  background: var(--danger);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.row.between {
  justify-content: space-between;
}

.stack {
  display: grid;
  gap: 12px;
}

.grid.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stat strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 6px;
}

.flash {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
}

.flash.error {
  background: rgba(255, 107, 122, 0.12);
  color: #ffb4bc;
}

.flash.ok {
  background: rgba(66, 211, 146, 0.12);
  color: #9be7c2;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-weight: 600; }

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 999px;
  object-fit: cover;
  margin: 8px 0;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check input { width: auto; }

h1, h2 { margin: 0 0 14px; }
article.card { margin-bottom: 14px; }