:root {
  --bg: #3c3c3c;
  --surface: #474747;
  --border: #5a5a5a;
  --text: #ffffff;
  --text-muted: #c9c9c9;
  --accent: #ffa300;
  --accent-ink: #2a1900;
  --danger: #e2926a;
  --font-body: "Segoe UI", "Karla", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

a { color: var(--accent); }

.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.app-nav__brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}

.app-nav__links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  font-size: .95rem;
}

.app-nav__links a { text-decoration: none; color: var(--text-muted); }
.app-nav__links a:hover { color: var(--accent); }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #2a1900;
  border: none;
  padding: .7rem 1.4rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { filter: brightness(1.05); }

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.field { margin-bottom: 1rem; display: flex; flex-direction: column; gap: .35rem; }
.field label { font-size: .85rem; color: var(--text-muted); }
.field input, .field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .6rem .7rem;
  font-family: inherit;
  font-size: 1rem;
}

.alert {
  padding: .8rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.alert.error { border-color: var(--danger); color: var(--danger); }

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-page .card { width: min(360px, 90vw); }

.auth-page .logo { display: block; width: min(220px, 60vw); margin: 0 auto 1.5rem; }