:root {
  --bg: #0b0b0d;
  --panel: #111116;
  --text: #e9e9ee;
  --muted: #b4b4c2;
  --accent: #c1121f; /* Ember red */
  --border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px;
}

.site-header {
  background: linear-gradient(
    180deg,
    rgba(193, 18, 31, 0.08),
    rgba(0, 0, 0, 0)
  );
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-right: 8px;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--muted);
}

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

h1,
h2,
h3 {
  margin: 0 0 10px;
}
p {
  color: var(--muted);
  line-height: 1.55;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  margin-top: 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  margin-right: 10px;
  color: var(--muted);
}

.flash-wrap {
  margin: 10px 0 18px;
}
.flash {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 8px;
}
.flash.error {
  background: rgba(193, 18, 31, 0.12);
}
.flash.success {
  background: rgba(0, 160, 80, 0.12);
}
.flash.info {
  background: rgba(80, 120, 255, 0.12);
}

.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  border: 0;
  cursor: pointer;
}
.btn:hover {
  filter: brightness(1.05);
}

.input,
textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
}
label {
  display: block;
  margin: 12px 0 6px;
  color: var(--muted);
}