:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --text: #f0f4f8;
  --muted: #94a3b8;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --danger: #f87171;
  --border: rgba(148, 163, 184, 0.2);
  --radius: 12px;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
#app {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: 'Vazirmatn', system-ui, sans-serif;
  background: radial-gradient(ellipse at top, #1e3a2f 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.logo {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--muted);
  margin: 0 0 1.75rem;
  font-size: 0.95rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  direction: ltr;
  text-align: left;
}

.field input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn {
  width: 100%;
  padding: 0.85rem 1rem;
  border: none;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #052e16;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  margin-top: 0.75rem;
}

.error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--danger);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.timer {
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 1rem;
}

.home-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.user-card {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 1rem;
}

.user-card dt {
  color: var(--muted);
  font-size: 0.8rem;
}

.user-card dd {
  margin: 0.25rem 0 0.75rem;
  font-weight: 500;
}

.user-card dd:last-child {
  margin-bottom: 0;
}