:root {
  --bg: #0f1216;
  --panel: #171b21;
  --border: #262b33;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --accent: #5b8def;
  --accent-hover: #4676d8;
  --success: #3aae68;
  --error: #e1543a;
  --warning: #f2a93b;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.nav .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.nav .links { display: flex; gap: 20px; align-items: center; }
.nav .links a { color: var(--muted); font-size: 0.92rem; }
.nav .links a:hover { color: var(--text); text-decoration: none; }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
}

.container.wide { max-width: 960px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}

h1 { font-size: 1.5rem; margin: 0 0 6px; }
h2 { font-size: 1.15rem; margin: 0 0 16px; }
.subtitle { color: var(--muted); margin-bottom: 24px; font-size: 0.95rem; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 6px;
  margin-top: 16px;
}
label:first-child { margin-top: 0; }

input[type="text"], input[type="email"], input[type="password"], input[type="url"],
input[type="file"], select {
  width: 100%;
  padding: 10px 12px;
  background: #0d1014;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}

input:focus, select:focus { outline: none; border-color: var(--accent); }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 20px;
}
.btn:hover { background: var(--accent-hover); }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--error); }
.btn.small { padding: 6px 12px; font-size: 0.85rem; margin-top: 0; }

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  border: 1px solid;
}
.flash.error { background: rgba(225, 84, 58, 0.1); border-color: var(--error); color: #ff8a72; }
.flash.success { background: rgba(58, 174, 104, 0.1); border-color: var(--success); color: #6fd191; }
.flash.warning { background: rgba(242, 169, 59, 0.1); border-color: var(--warning); color: #f7c069; }

.option-group { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.option {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.option-header { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.option-body { margin-top: 10px; padding-left: 24px; display: none; }
.option.active .option-body { display: block; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--muted); font-weight: 500; }

.link-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0d1014;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 8px;
  word-break: break-all;
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(91, 141, 239, 0.15);
  color: var(--accent);
}

.empty-state { color: var(--muted); text-align: center; padding: 30px 0; }

.auth-links { text-align: center; margin-top: 20px; color: var(--muted); font-size: 0.9rem; }

.muted-inline { color: var(--muted); font-weight: normal; }

.section-link { margin-top: 16px; }