:root {
  --bg: #0f1115;
  --surface: #1a1d24;
  --surface-2: #22262f;
  --text: #f2f3f5;
  --text-dim: #9aa1ac;
  --border: #2c3038;
  --blue: #339af0;
  --amber: #f08c00;
  --red: #e03131;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

h1 { font-size: 1.4rem; margin: 4px 0 4px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }

.banner {
  background: color-mix(in srgb, var(--amber) 20%, var(--surface));
  border: 1px solid var(--amber);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

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

label { font-size: 0.85rem; color: var(--text-dim); display: block; margin-bottom: 4px; }

input[type="text"], input[type="number"] {
  width: 100%;
  padding: 10px;
  font-size: 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  margin-bottom: 10px;
}

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.checkbox-row input { width: 18px; height: 18px; }

button {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 10px;
  border: none;
  background: var(--blue);
  color: #06131f;
  cursor: pointer;
}

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 6px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; }
code { font-size: 0.8rem; word-break: break-all; }
.muted { color: var(--text-dim); font-size: 0.85rem; }

/* Login screen with numeric keypad */
.login-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 22px;
}

.login-screen h1 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pin-dots { display: flex; gap: 18px; }

.pin-dots .dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  transition: background 0.15s, border-color 0.15s;
}

.pin-dots .dot.filled { background: var(--blue); border-color: var(--blue); }

.pin-error { color: var(--red); font-size: 0.85rem; min-height: 1.2em; margin: 0; }

.keypad { display: grid; grid-template-columns: repeat(3, 72px); gap: 18px; }

.keypad .key {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.keypad .key:active { background: var(--surface); }
.keypad .key-empty { background: transparent; border: none; }
.keypad .key-del { font-size: 1.2rem; background: transparent; border: none; color: var(--text-dim); }