* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #0f0f0f;
  color: #e0e0e0;
  min-height: 100vh;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 24px;
}

/* --- Login --- */
.slots-panel {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 20px 16px 24px;
}

.login-panel, .status-panel {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 32px;
}

@media (min-width: 600px) {
  .slots-panel { padding: 32px; }
}

h1 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.subtitle { color: #888; font-size: 14px; margin-bottom: 32px; }

label {
  display: block;
  font-size: 13px;
  color: #aaa;
  margin-bottom: 6px;
  margin-top: 16px;
}

input, select, textarea {
  width: 100%;
  padding: 12px 16px;
  background: #252525;
  border: 1px solid #333;
  border-radius: 10px;
  color: #e0e0e0;
  font-size: 15px;
  outline: none;
  font-family: inherit;
}

input:focus, select:focus {
  border-color: #4ade80;
}

button {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 24px;
  transition: all 0.2s;
}

.btn-primary { background: #4ade80; color: #000; }
.btn-primary:hover { background: #22c55e; }
.btn-primary:disabled { background: #333; color: #666; cursor: not-allowed; }

.btn-danger { background: #ef4444; color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-secondary {
  background: transparent;
  border: 1px solid #444;
  color: #aaa;
  margin-top: 12px;
}
.btn-secondary:hover { background: #252525; color: #fff; }

/* --- Slots --- */
.user-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: #252525;
  border-radius: 10px;
}

.user-bar span { font-size: 12px; color: #aaa; }
.user-bar button { margin: 0 !important; width: auto !important; padding: 6px 14px !important; font-size: 12px !important; }

.slots-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0 24px;
}

.slot-card {
  padding: 16px;
  background: #252525;
  border: 2px solid #333;
  border-radius: 12px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}

.slot-card:hover { border-color: #4ade80; }
.slot-card.selected { border-color: #4ade80; background: #1a2e1a; }
.slot-card.full { opacity: 0.3; cursor: not-allowed; }
.slot-card.full:hover { border-color: #333; }

.slot-time { font-size: 18px; font-weight: 700; }
.slot-label { font-size: 12px; color: #888; margin-top: 4px; }

.date-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.date-header strong { font-size: 18px; }
.date-header span { font-size: 12px; color: #888; }

/* --- Status --- */
.log-panel {
  margin-top: 24px;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 16px;
  padding: 24px;
}

.log-line {
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px solid #1f1f1f;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: #aaa;
}

.log-line.success { color: #4ade80; }
.log-line.error { color: #ef4444; }
.log-line.info { color: #60a5fa; }

.countdown {
  text-align: center;
  padding: 24px 0;
  margin-top: 12px;
  background: #141414;
  border-radius: 12px;
}

.countdown .time {
  font-size: 7vw;
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: #4ade80;
  word-break: break-all;
}

@media (min-width: 600px) {
  .countdown .time { font-size: 48px; }
}

.countdown .label { font-size: 13px; color: #888; margin-top: 8px; }

.actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.actions-row button { margin-top: 0; }

.error-msg {
  color: #ef4444;
  font-size: 13px;
  margin-top: 12px;
  display: none;
}