/**
 * VirtualBell - Frontend Styles
 * Design: Vermelho, Premium, Minimalista - Otimizado para Mobile/APP
 */

:root {
    --vb-primary: #DC2626;
    --vb-primary-dark: #B91C1C;
    --vb-primary-light: #FEE2E2;
    --vb-primary-gradient: linear-gradient(135deg, #DC2626 0%, #991B1B 100%);
    --vb-success: #10B981;
    --vb-success-light: #D1FAE5;
    --vb-warning: #F59E0B;
    --vb-warning-light: #FEF3C7;
    --vb-danger: #EF4444;
    --vb-danger-light: #FEE2E2;
    --vb-white: #FFFFFF;
    --vb-gray-50: #F9FAFB;
    --vb-gray-100: #F3F4F6;
    --vb-gray-200: #E5E7EB;
    --vb-gray-300: #D1D5DB;
    --vb-gray-400: #9CA3AF;
    --vb-gray-500: #6B7280;
    --vb-gray-600: #4B5563;
    --vb-gray-700: #374151;
    --vb-gray-800: #1F2937;
    --vb-gray-900: #111827;
    --vb-radius: 16px;
    --vb-radius-sm: 10px;
    --vb-radius-lg: 24px;
    --vb-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --vb-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --vb-shadow-xl: 0 20px 40px -10px rgba(220, 38, 38, 0.3);
}

/* Reset & Base */
.virtualbell-app {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    background: var(--vb-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.virtualbell-app * {
    box-sizing: border-box;
}

/* Container */
.virtualbell-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

/* Header App */
.virtualbell-app-header {
    text-align: center;
    padding: 30px 20px;
    background: var(--vb-primary-gradient);
    border-radius: 0 0 var(--vb-radius-lg) var(--vb-radius-lg);
    color: var(--vb-white);
    margin: -20px -20px 30px -20px;
    box-shadow: var(--vb-shadow-xl);
}

.virtualbell-app-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 10px;
}

.virtualbell-app-logo-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.virtualbell-app-logo-text {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.virtualbell-app-subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
}

.virtualbell-building-name {
    font-size: 18px;
    font-weight: 600;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Cards */
.virtualbell-card {
    background: var(--vb-white);
    border-radius: var(--vb-radius);
    padding: 24px;
    box-shadow: var(--vb-shadow);
    margin-bottom: 20px;
}

.virtualbell-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--vb-gray-100);
}

.virtualbell-card-icon {
    width: 44px;
    height: 44px;
    background: var(--vb-primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.virtualbell-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--vb-gray-800);
    margin: 0;
}

.virtualbell-card-subtitle {
    font-size: 13px;
    color: var(--vb-gray-500);
    margin: 4px 0 0 0;
}

/* Search Box */
.virtualbell-search-box {
    position: relative;
    margin-bottom: 20px;
}

.virtualbell-search-input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    border: 2px solid var(--vb-gray-200);
    border-radius: var(--vb-radius);
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--vb-white);
}

.virtualbell-search-input:focus {
    outline: none;
    border-color: var(--vb-primary);
    box-shadow: 0 0 0 4px var(--vb-primary-light);
}

.virtualbell-search-input::placeholder {
    color: var(--vb-gray-400);
}

.virtualbell-search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--vb-gray-400);
}

/* Apartment List */
.virtualbell-apartments-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.virtualbell-apartment-item {
    display: flex;
    align-items: center;
    padding: 16px;
    background: var(--vb-gray-50);
    border: 2px solid transparent;
    border-radius: var(--vb-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.virtualbell-apartment-item:hover,
.virtualbell-apartment-item:focus {
    background: var(--vb-white);
    border-color: var(--vb-primary);
    transform: translateX(4px);
}

.virtualbell-apartment-item:active {
    transform: scale(0.98);
}

.virtualbell-apartment-number {
    width: 56px;
    height: 56px;
    background: var(--vb-primary);
    color: var(--vb-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin-right: 16px;
    flex-shrink: 0;
}

.virtualbell-apartment-info {
    flex: 1;
}

.virtualbell-apartment-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--vb-gray-800);
    margin-bottom: 4px;
}

.virtualbell-apartment-block {
    font-size: 13px;
    color: var(--vb-gray-500);
}

.virtualbell-apartment-arrow {
    font-size: 20px;
    color: var(--vb-gray-400);
}

/* Buttons */
.virtualbell-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border: none;
    border-radius: var(--vb-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    width: 100%;
}

.virtualbell-btn:active {
    transform: scale(0.98);
}

.virtualbell-btn-primary {
    background: var(--vb-primary-gradient);
    color: var(--vb-white);
    box-shadow: var(--vb-shadow-xl);
}

.virtualbell-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px -12px rgba(220, 38, 38, 0.4);
}

.virtualbell-btn-success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: var(--vb-white);
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.3);
}

.virtualbell-btn-success:hover {
    transform: translateY(-2px);
}

.virtualbell-btn-danger {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: var(--vb-white);
    box-shadow: 0 10px 25px -5px rgba(239, 68, 68, 0.3);
}

.virtualbell-btn-secondary {
    background: var(--vb-gray-100);
    color: var(--vb-gray-700);
}

.virtualbell-btn-secondary:hover {
    background: var(--vb-gray-200);
}

.virtualbell-btn-outline {
    background: transparent;
    border: 2px solid var(--vb-gray-300);
    color: var(--vb-gray-700);
}

.virtualbell-btn-outline:hover {
    border-color: var(--vb-primary);
    color: var(--vb-primary);
}

.virtualbell-btn-icon {
    font-size: 22px;
}

.virtualbell-btn-lg {
    padding: 20px 40px;
    font-size: 18px;
}

/* Form Elements */
.virtualbell-form-group {
    margin-bottom: 20px;
}

.virtualbell-form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--vb-gray-700);
    margin-bottom: 8px;
}

.virtualbell-form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--vb-gray-200);
    border-radius: var(--vb-radius-sm);
    font-size: 16px;
    transition: all 0.2s ease;
}

.virtualbell-form-input:focus {
    outline: none;
    border-color: var(--vb-primary);
    box-shadow: 0 0 0 4px var(--vb-primary-light);
}

/* Delivery Form */
.virtualbell-delivery-form {
    margin-top: 20px;
}

/* Loading */
.virtualbell-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.virtualbell-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--vb-gray-200);
    border-top-color: var(--vb-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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

.virtualbell-loading-text {
    font-size: 16px;
    color: var(--vb-gray-600);
}

/* Status Messages */
.virtualbell-status-card {
    text-align: center;
    padding: 40px 24px;
}

.virtualbell-status-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto 20px;
}

.virtualbell-status-icon.pending {
    background: var(--vb-warning-light);
    animation: pulse 2s infinite;
}

.virtualbell-status-icon.approved {
    background: var(--vb-success-light);
}

.virtualbell-status-icon.denied {
    background: var(--vb-danger-light);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.virtualbell-status-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--vb-gray-800);
    margin: 0 0 10px 0;
}

.virtualbell-status-message {
    font-size: 15px;
    color: var(--vb-gray-500);
    margin: 0;
    line-height: 1.6;
}

/* Authorization Page */
.virtualbell-auth-card {
    text-align: center;
}

.virtualbell-auth-avatar {
    width: 80px;
    height: 80px;
    background: var(--vb-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--vb-white);
    margin: 0 auto 20px;
    box-shadow: var(--vb-shadow-xl);
}

.virtualbell-auth-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--vb-gray-800);
    margin: 0 0 8px 0;
}

.virtualbell-auth-subtitle {
    font-size: 14px;
    color: var(--vb-gray-500);
    margin: 0 0 24px 0;
}

.virtualbell-auth-info {
    background: var(--vb-gray-50);
    border-radius: var(--vb-radius-sm);
    padding: 16px;
    margin-bottom: 24px;
}

.virtualbell-auth-info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.virtualbell-auth-info-label {
    font-size: 13px;
    color: var(--vb-gray-500);
}

.virtualbell-auth-info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--vb-gray-800);
}

.virtualbell-auth-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--vb-warning-light);
    color: #92400E;
    padding: 12px;
    border-radius: var(--vb-radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
}

.virtualbell-auth-timer-icon {
    font-size: 18px;
}

.virtualbell-auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Biometric Button */
.virtualbell-biometric-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--vb-gray-200);
}

.virtualbell-biometric-title {
    font-size: 14px;
    color: var(--vb-gray-500);
    text-align: center;
    margin-bottom: 16px;
}

.virtualbell-biometric-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 20px;
    background: var(--vb-gray-900);
    color: var(--vb-white);
    border: none;
    border-radius: var(--vb-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.virtualbell-biometric-btn:hover {
    background: var(--vb-gray-800);
    transform: translateY(-2px);
}

.virtualbell-biometric-icon {
    font-size: 28px;
}

/* PIN Input */
.virtualbell-pin-section {
    margin-top: 24px;
}

.virtualbell-pin-label {
    text-align: center;
    font-size: 14px;
    color: var(--vb-gray-500);
    margin-bottom: 16px;
}

.virtualbell-pin-input {
    width: 100%;
    padding: 18px;
    border: 2px solid var(--vb-gray-200);
    border-radius: var(--vb-radius);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 8px;
    font-family: 'Monaco', 'Consolas', monospace;
}

.virtualbell-pin-input:focus {
    outline: none;
    border-color: var(--vb-primary);
    box-shadow: 0 0 0 4px var(--vb-primary-light);
}

/* Resident Dashboard */
.virtualbell-dashboard {
    padding: 20px 0;
}

.virtualbell-dashboard-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.virtualbell-user-avatar {
    width: 56px;
    height: 56px;
    background: var(--vb-primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--vb-white);
    box-shadow: var(--vb-shadow);
}

.virtualbell-user-info h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--vb-gray-800);
    margin: 0 0 4px 0;
}

.virtualbell-user-info p {
    font-size: 14px;
    color: var(--vb-gray-500);
    margin: 0;
}

/* Notification Cards */
.virtualbell-notifications-section {
    margin-bottom: 30px;
}

.virtualbell-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--vb-gray-700);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.virtualbell-notification-badge {
    background: var(--vb-primary);
    color: var(--vb-white);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

.virtualbell-notification-card {
    background: var(--vb-white);
    border-radius: var(--vb-radius);
    padding: 20px;
    box-shadow: var(--vb-shadow);
    margin-bottom: 16px;
    border-left: 4px solid var(--vb-primary);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.virtualbell-notification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.virtualbell-notification-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--vb-gray-800);
    margin: 0 0 4px 0;
}

.virtualbell-notification-time {
    font-size: 12px;
    color: var(--vb-gray-400);
}

.virtualbell-notification-live {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--vb-danger-light);
    color: var(--vb-danger);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.virtualbell-notification-live::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--vb-danger);
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.virtualbell-notification-details {
    background: var(--vb-gray-50);
    border-radius: var(--vb-radius-sm);
    padding: 12px 16px;
    margin-bottom: 16px;
}

.virtualbell-notification-detail {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
}

.virtualbell-notification-detail-label {
    color: var(--vb-gray-500);
}

.virtualbell-notification-detail-value {
    color: var(--vb-gray-800);
    font-weight: 500;
}

.virtualbell-notification-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.virtualbell-notification-actions .virtualbell-btn {
    padding: 14px 20px;
    font-size: 14px;
}

/* Empty State */
.virtualbell-empty {
    text-align: center;
    padding: 60px 20px;
}

.virtualbell-empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.virtualbell-empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--vb-gray-700);
    margin: 0 0 8px 0;
}

.virtualbell-empty-text {
    font-size: 14px;
    color: var(--vb-gray-500);
    margin: 0;
}

/* History */
.virtualbell-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.virtualbell-history-item {
    background: var(--vb-white);
    border-radius: var(--vb-radius-sm);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--vb-shadow);
}

.virtualbell-history-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.virtualbell-history-icon.approved {
    background: var(--vb-success-light);
}

.virtualbell-history-icon.denied {
    background: var(--vb-danger-light);
}

.virtualbell-history-content {
    flex: 1;
}

.virtualbell-history-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--vb-gray-800);
    margin-bottom: 4px;
}

.virtualbell-history-meta {
    font-size: 12px;
    color: var(--vb-gray-500);
}

/* Error/Message States */
.virtualbell-error {
    background: var(--vb-danger-light);
    color: #991B1B;
    padding: 16px 20px;
    border-radius: var(--vb-radius-sm);
    text-align: center;
    font-size: 14px;
}

.virtualbell-success {
    background: var(--vb-success-light);
    color: #065F46;
    padding: 16px 20px;
    border-radius: var(--vb-radius-sm);
    text-align: center;
    font-size: 14px;
}

/* Login Required */
.virtualbell-login-required {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 20px;
}

.virtualbell-login-required .virtualbell-card {
    text-align: center;
    max-width: 320px;
}

.virtualbell-login-required .virtualbell-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.virtualbell-login-required h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--vb-gray-800);
    margin: 0 0 10px 0;
}

.virtualbell-login-required p {
    color: var(--vb-gray-500);
    margin: 0 0 20px 0;
}

/* QR Code Display */
.virtualbell-qrcode-wrapper {
    text-align: center;
    padding: 20px;
}

.virtualbell-qrcode-image {
    border-radius: var(--vb-radius);
    box-shadow: var(--vb-shadow-lg);
}

.virtualbell-qrcode-code {
    display: inline-block;
    margin-top: 16px;
    background: var(--vb-gray-100);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--vb-primary);
    font-family: 'Monaco', 'Consolas', monospace;
    letter-spacing: 1px;
}

/* Tabs */
.virtualbell-tabs {
    display: flex;
    background: var(--vb-gray-100);
    border-radius: var(--vb-radius);
    padding: 4px;
    margin-bottom: 24px;
}

.virtualbell-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: var(--vb-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--vb-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.virtualbell-tab.active {
    background: var(--vb-white);
    color: var(--vb-primary);
    box-shadow: var(--vb-shadow);
}

/* Bottom Navigation (App Style) */
.virtualbell-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--vb-white);
    display: flex;
    justify-content: center;
    padding: 12px 20px 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    border-radius: var(--vb-radius-lg) var(--vb-radius-lg) 0 0;
    z-index: 1000;
}

.virtualbell-bottom-nav-inner {
    display: flex;
    gap: 40px;
    max-width: 400px;
}

.virtualbell-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: var(--vb-gray-400);
    font-size: 12px;
    transition: color 0.2s ease;
}

.virtualbell-nav-item.active {
    color: var(--vb-primary);
}

.virtualbell-nav-icon {
    font-size: 24px;
}

/* Animations */
.virtualbell-fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.virtualbell-slide-up {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .virtualbell-container {
        padding: 16px;
    }
    
    .virtualbell-app-header {
        margin: -16px -16px 24px -16px;
        padding: 24px 16px;
    }
    
    .virtualbell-btn {
        padding: 14px 24px;
    }
    
    .virtualbell-notification-actions {
        grid-template-columns: 1fr;
    }
}

/* Safe Area for iOS */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .virtualbell-bottom-nav {
        padding-bottom: calc(20px + env(safe-area-inset-bottom));
    }
    
    .virtualbell-container {
        padding-bottom: calc(100px + env(safe-area-inset-bottom));
    }
}