/* ── staff.css ─────────────────────────────────────────────────
   Estilos para el panel de staff: login y escáner
   Modo oscuro por defecto, optimizado para móviles
──────────────────────────────────────────────────────────────── */

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

:root {
  --bg:         #0d0d0d;
  --surface:    #1a1a1a;
  --border:     #2a2a2a;
  --primary:    #e63946;
  --text:       #f0f0f0;
  --muted:      #888;
  --green:      #22c55e;
  --red:        #ef4444;
  --font:       'Segoe UI', Arial, sans-serif;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

/* ── Login ──────────────────────────────────────────────────── */

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-logo {
  font-size: 40px;
  margin-bottom: 8px;
}

.login-card h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-card .subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--primary);
}

.btn-primary {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity 0.2s;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary:not(:disabled):active {
  opacity: 0.85;
}

.error-msg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  margin-top: 14px;
  display: none;
}

.error-msg.visible {
  display: block;
}

/* ── Scanner ────────────────────────────────────────────────── */

.scanner-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.scanner-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.scanner-header h1 {
  font-size: 17px;
  font-weight: 700;
  flex: 1;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
}

.btn-logout:hover {
  border-color: var(--red);
  color: var(--red);
}

.scanner-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 16px;
  gap: 16px;
}

/* Área QR */
#qr-reader {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
}

/* Manual input */
.manual-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  max-width: 380px;
  margin: 0 auto;
  width: 100%;
}

.manual-section h2 {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 600;
}

.manual-row {
  display: flex;
  gap: 8px;
}

.manual-input {
  flex: 1;
  padding: 14px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 16px;
  font-family: monospace;
  letter-spacing: 2px;
  text-transform: uppercase;
  outline: none;
}

.manual-input:focus {
  border-color: var(--primary);
}

.btn-validate {
  padding: 14px 16px;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

/* Resultado */
.result-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.result-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.result-overlay.valid   { background: var(--green); }
.result-overlay.used    { background: var(--red); }
.result-overlay.invalid { background: var(--red); }
.result-overlay.expired { background: var(--red); }

.result-icon {
  font-size: 80px;
  margin-bottom: 16px;
}

.result-title {
  font-size: 32px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.1;
}

.result-info {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
}

.btn-close-result {
  background: rgba(0,0,0,0.3);
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  border-radius: 12px;
  padding: 16px 32px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin { to { transform: rotate(360deg); } }