/* Production-Ready Styles for ZABAL Live Hub */

/* ============================================
   LOADING STATES
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 30, 39, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(224, 221, 170, 0.2);
    border-top-color: var(--accent-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-message {
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 600;
}

/* Skeleton Loading States */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(224, 221, 170, 0.05) 25%,
        rgba(224, 221, 170, 0.15) 50%,
        rgba(224, 221, 170, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-card {
    height: 120px;
    margin-bottom: 1rem;
}

/* ============================================
   VOTE CONFIRMATION ANIMATION
   ============================================ */

.vote-confirmation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.vote-confirmation.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.vote-confirmation-content {
    background: linear-gradient(135deg, var(--accent-yellow) 0%, #f0e68c 100%);
    padding: 30px 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(224, 221, 170, 0.4);
    text-align: center;
}

.vote-confirmation-emoji {
    font-size: 4rem;
    margin-bottom: 10px;
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.vote-confirmation-text {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus indicators */
*:focus {
    outline: 2px solid var(--accent-yellow);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
.mode-card:focus {
    outline: 3px solid var(--accent-yellow);
    outline-offset: 3px;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-yellow);
    color: var(--primary-blue);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 700;
    z-index: 10001;
    border-radius: 0 0 8px 0;
}

.skip-to-content:focus {
    top: 0;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   MOBILE OPTIMIZATIONS
   ============================================ */

/* Ensure touch targets are at least 44px */
@media (max-width: 768px) {
    button,
    a,
    .mode-card,
    .friend-tag-item {
        min-height: 44px;
        min-width: 44px;
    }

    /* Better tap highlighting */
    button,
    a,
    .mode-card {
        -webkit-tap-highlight-color: rgba(224, 221, 170, 0.3);
    }

    /* Prevent text selection on interactive elements */
    button,
    .mode-card,
    .friend-tag-item {
        -webkit-user-select: none;
        user-select: none;
    }
}

/* ============================================
   OFFLINE INDICATOR
   ============================================ */

.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #ef4444;
    color: white;
    padding: 12px;
    text-align: center;
    font-weight: 700;
    z-index: 9998;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.offline-banner.show {
    transform: translateY(0);
}

/* ============================================
   STREAK BADGE
   ============================================ */

.streak-badge {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    z-index: 100;
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.streak-badge .fire-emoji {
    font-size: 1.2rem;
    margin-right: 4px;
}

/* ============================================
   PROGRESS INDICATORS
   ============================================ */

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(224, 221, 170, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-yellow);
    transition: width 0.3s ease;
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.8; }
}

/* ============================================
   KEYBOARD SHORTCUT HINTS
   ============================================ */

.keyboard-hint {
    display: inline-block;
    background: rgba(224, 221, 170, 0.1);
    border: 1px solid var(--accent-yellow);
    color: var(--accent-yellow);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
    font-family: monospace;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

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

/* Apply animations to elements */
.animate-in {
    animation: slideUp 0.5s ease;
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* ============================================
   ERROR STATES
   ============================================ */

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #fca5a5;
    padding: 12px 16px;
    border-radius: 8px;
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.error-message::before {
    content: '⚠️';
    font-size: 1.2rem;
}

.retry-button {
    background: #ef4444;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.retry-button:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* ============================================
   RESPONSIVE IMPROVEMENTS
   ============================================ */

@media (max-width: 768px) {
    .loading-spinner {
        transform: scale(0.8);
    }

    .vote-confirmation-content {
        padding: 20px 30px;
    }

    .vote-confirmation-emoji {
        font-size: 3rem;
    }

    .vote-confirmation-text {
        font-size: 1.2rem;
    }

    .streak-badge {
        top: 10px;
        right: 10px;
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-up {
    animation: slideUp 0.5s ease;
}

.no-scroll {
    overflow: hidden;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .loading-overlay {
        background: rgba(0, 0, 0, 0.98);
    }

    button,
    .mode-card {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}