/* ============================================
   SISTEMA DE INVITACIONES - CSS FUNCIONAL
   Solo estilos para formularios y utilidades.
   NO incluye diseño visual del evento.
   ============================================ */

:root {
  --primary: #1a3a4a;
  --primary-light: #2e5c88;
  --accent: #e8847a;
  --accent-dark: #6ec8c6;
  --gold: #f0f4f8;
  --bg: transparent;
  --panel: rgba(250, 247, 240, 0.15);
  --text: #1a3a4a;
  --text-light: #2e5c88;
  --border: rgba(255, 255, 255, 0.25);
  --error: #e74c3c;
  --success: #10b981;
  --warning: #f59e0b;
  --font-body: 'Montserrat', Helvetica, Arial, sans-serif;
  --font-heading: 'Cinzel', 'Playfair Display', Georgia, serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

/* Utilidades */
.hidden { display: none !important; }
.text-center { text-align: center; }
.w-full { width: 100%; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  font-family: var(--font-body);
}
.btn:hover { transform: translateY(-1px); opacity: 0.9; }

.btn-primary { background: var(--primary); color: #f0f4f8; }
.btn-accent { background: var(--accent); color: #1a3a4a; }
.btn-secondary {
  background: rgba(240, 244, 248, 0.2);
  color: #f0f4f8;
  border: 1px solid rgba(240, 244, 248, 0.4);
  backdrop-filter: blur(8px);
}
.btn-sm { padding: 8px 14px; font-size: 0.75rem; }
.btn-xs { padding: 6px 10px; font-size: 0.7rem; }

/* Formularios */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #f0f4f8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.form-input, .form-input-textarea, .form-select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: #f0f4f8;
  transition: all 0.2s;
}
.form-input::placeholder, .form-input-textarea::placeholder {
  color: rgba(240, 244, 248, 0.6);
}
.form-input:focus, .form-input-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 0 3px rgba(232,132,122,0.15);
}
.form-input-textarea { height: 100px; resize: vertical; }
.form-select { 
  cursor: pointer;
  color: #1a3a4a;
  background: rgba(255, 255, 255, 0.15);
}
.form-select option {
  background: #1a3a4a;
  color: #f0f4f8;
}

.input-with-icon { position: relative; }
.input-with-icon i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(240, 244, 248, 0.7);
  font-size: 0.9rem;
}
.input-with-icon .form-input { padding-left: 40px; }

.input-help {
  font-size: 0.72rem;
  color: rgba(240, 244, 248, 0.7);
  margin-top: 4px;
  display: block;
}

/* Mensajes */
.error-msg {
  color: var(--error);
  font-size: 0.85rem;
  margin: 8px 0;
  padding: 8px 12px;
  background: rgba(254, 242, 242, 0.2);
  backdrop-filter: blur(8px);
  border-radius: 6px;
  border-left: 3px solid var(--error);
}

.success-msg {
  color: #6ee7b7;
  font-size: 0.85rem;
  margin: 8px 0;
  padding: 8px 12px;
  background: rgba(236, 253, 245, 0.15);
  backdrop-filter: blur(8px);
  border-radius: 6px;
  border-left: 3px solid var(--success);
}

.info-msg {
  color: #93c5fd;
  font-size: 0.85rem;
  margin: 8px 0;
  padding: 10px 14px;
  background: rgba(239, 246, 255, 0.15);
  backdrop-filter: blur(8px);
  border-radius: 6px;
  border-left: 3px solid #3b82f6;
}

/* Contenedores */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 15px;
}

.panel {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 25px 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: #f0f4f8;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.section-subtitle {
  font-size: 0.9rem;
  color: rgba(240, 244, 248, 0.8);
  margin-bottom: 20px;
}

/* Tarjetas */
.card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.guest-welcome-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 15px 18px;
  margin-bottom: 20px;
}
.guest-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: #f0f4f8;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.guest-passes {
  font-size: 0.85rem;
  color: rgba(240, 244, 248, 0.8);
  margin-top: 4px;
}
.guest-passes i { color: var(--accent); margin-right: 4px; }

/* Menu selects */
.menus-dynamic { display: grid; gap: 10px; margin-bottom: 18px; }
.menu-select-item {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 12px;
}
.menu-select-item label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #f0f4f8;
  display: block;
  margin-bottom: 6px;
}

/* QR */
.qr-display {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 15px;
  border-radius: 12px;
  display: inline-block;
  border: 2px dashed var(--accent);
  margin: 15px 0;
}
.qr-display img { width: 180px; height: 180px; }
.qr-code-text {
  font-family: monospace;
  font-size: 0.75rem;
  color: rgba(240, 244, 248, 0.6);
  margin-top: 8px;
}

/* Resultados de checkin */
.checkin-result {
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  margin-top: 15px;
}
.checkin-result.success {
  background: rgba(236, 253, 245, 0.15);
  backdrop-filter: blur(8px);
  border: 2px solid var(--success);
}
.checkin-result.error {
  background: rgba(254, 242, 242, 0.15);
  backdrop-filter: blur(8px);
  border: 2px solid var(--error);
}
.checkin-result.warning {
  background: rgba(255, 251, 235, 0.15);
  backdrop-filter: blur(8px);
  border: 2px solid var(--warning);
}
.checkin-result h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 10px;
}
.checkin-result.success h3 { color: #6ee7b7; }
.checkin-result.error h3 { color: #fca5a5; }
.checkin-result.warning h3 { color: #fcd34d; }
.checkin-result p { font-size: 1rem; color: rgba(240, 244, 248, 0.8); }

.result-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

/* Login */
.login-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  padding: 35px 25px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  text-align: center;
  max-width: 380px;
  margin: 30px auto;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.login-card h2 {
  font-family: var(--font-heading);
  color: #f0f4f8;
  margin-bottom: 8px;
  font-size: 1.4rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.login-card p {
  color: rgba(240, 244, 248, 0.8);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

/* Admin */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}
.admin-header h2 {
  font-family: var(--font-heading);
  color: #f0f4f8;
  font-size: 1.3rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
@media(max-width:600px){
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  border-top: 3px solid var(--accent);
}
.stat-label {
  display: block;
  font-size: 0.65rem;
  color: rgba(240, 244, 248, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 5px;
}
.stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: #f0f4f8;
  font-weight: 700;
  text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* Tabla admin */
.table-responsive { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.admin-table th {
  background: rgba(26, 58, 74, 0.85);
  backdrop-filter: blur(8px);
  color: #f0f4f8;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.5px;
}
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(240, 244, 248, 0.85);
}
.admin-table tr:hover { background: rgba(255, 255, 255, 0.04); }

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}
.badge-green { background: rgba(16, 185, 129, 0.25); color: #6ee7b7; }
.badge-amber { background: rgba(245, 158, 11, 0.25); color: #fcd34d; }
.badge-red { background: rgba(231, 76, 60, 0.25); color: #fca5a5; }
.badge-purple { background: rgba(139, 92, 246, 0.25); color: #a78bfa; }
.badge-blue { background: rgba(59, 130, 246, 0.25); color: #93c5fd; }

/* Scanner */
.scanner-wrapper {
  border: 2px solid var(--accent);
  border-radius: 12px;
  overflow: hidden;
  margin: 15px 0;
}

/* Upload area */
.upload-area {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  border: 2px dashed rgba(232, 132, 122, 0.3);
  border-radius: 12px;
  padding: 25px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
  margin-bottom: 20px;
}
.upload-area:hover, .upload-area.drag-over { 
  border-color: var(--accent); 
  background: rgba(232, 132, 122, 0.05);
}
.upload-ico { font-size: 2.2rem; margin-bottom: 10px; color: var(--accent); }
.upload-instruction { font-size: 0.9rem; color: rgba(240, 244, 248, 0.7); }
.upload-limits { font-size: 0.72rem; color: rgba(240, 244, 248, 0.4); margin-top: 4px; }

/* Spinner */
.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(232,132,122,0.2);
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { 0%{transform:rotate(0)} 100%{transform:rotate(360deg)} }

/* Galeria fotos */
.photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media(max-width:650px){ .photos-grid { grid-template-columns: repeat(2, 1fr); } }
@media(max-width:400px){ .photos-grid { grid-template-columns: 1fr; } }

.polaroid-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  padding: 8px 8px 18px;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.2s;
}
.polaroid-card:hover { transform: scale(1.03); }
.polaroid-img-wrapper {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: rgba(0,0,0,0.2);
}
.polaroid-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.polaroid-caption {
  font-size: 0.85rem;
  color: rgba(240, 244, 248, 0.8);
  text-align: center;
  margin-top: 8px;
  font-style: italic;
}

/* Mensajes */
.messages-board {
  max-height: 420px;
  overflow-y: auto;
  padding-right: 6px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.message-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  padding: 14px 16px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-light);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
  padding-bottom: 5px;
}
.message-author {
  font-weight: 700;
  font-size: 0.88rem;
  color: #f0f4f8;
}
.message-date { font-size: 0.7rem; color: rgba(240, 244, 248, 0.4); }
.message-txt {
  font-size: 0.85rem;
  color: rgba(240, 244, 248, 0.75);
  font-style: italic;
  line-height: 1.5;
}

/* Fechas de corte info */
.dates-info {
  background: rgba(16, 185, 129, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 15px;
  font-size: 0.82rem;
}
.dates-info .date-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}
.dates-info .date-label { font-weight: 600; color: rgba(240, 244, 248, 0.7); }
.dates-info .date-value { color: rgba(240, 244, 248, 0.9); }

/* Countdown info en confirmar */
.countdown-info {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 15px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.countdown-info .cd-label {
  font-size: 0.75rem;
  color: rgba(240, 244, 248, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.countdown-info .cd-value {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 700;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }


/* Dev nav (oculto por defecto) */
.dev-nav {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 5000;
  display: flex;
  gap: 6px;
}
.dev-nav button {
  background: rgba(0,0,0,0.7);
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.65rem;
  cursor: pointer;
}