/**
 * Vauxn Animated Loading Screen
 * Monday.com-style bouncing bars animation
 *
 * Logo: 7 symmetrical bars in audio waveform pattern
 * Colors: Yellow (outer), Orange, Red, Green (center)
 *
 * @version 1.1.0
 * Created: January 2026
 */

/* Brand Colors */
:root {
    --vauxn-yellow: #EAB308;
    --vauxn-orange: #F97316;
    --vauxn-red: #EF4444;
    --vauxn-highlighter-green: #22C55E;  /* Center bar - official name */
    --vauxn-green: var(--vauxn-highlighter-green);  /* Alias */
}

/* Full-screen overlay */
.vauxn-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    transition: opacity 0.4s ease-out;
}

.vauxn-loader-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* Logo container - vertically centered bars */
.vauxn-loader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    height: 80px;
    margin-bottom: 24px;
}

/* Individual bars - vertically centered */
.vauxn-loader-bar {
    width: 10px;
    border-radius: 5px;
    animation: barBounce 1.2s ease-in-out infinite;
}

/* Bar 1 & 7 (outermost) - Yellow, shortest */
.vauxn-loader-bar:nth-child(1),
.vauxn-loader-bar:nth-child(7) {
    height: 24px;
    background: var(--vauxn-yellow);
}
.vauxn-loader-bar:nth-child(1) { animation-delay: 0s; }
.vauxn-loader-bar:nth-child(7) { animation-delay: 0.6s; }

/* Bar 2 & 6 - Orange, medium-short */
.vauxn-loader-bar:nth-child(2),
.vauxn-loader-bar:nth-child(6) {
    height: 40px;
    background: var(--vauxn-orange);
}
.vauxn-loader-bar:nth-child(2) { animation-delay: 0.1s; }
.vauxn-loader-bar:nth-child(6) { animation-delay: 0.5s; }

/* Bar 3 & 5 - Red, tall */
.vauxn-loader-bar:nth-child(3),
.vauxn-loader-bar:nth-child(5) {
    height: 56px;
    background: var(--vauxn-red);
}
.vauxn-loader-bar:nth-child(3) { animation-delay: 0.2s; }
.vauxn-loader-bar:nth-child(5) { animation-delay: 0.4s; }

/* Bar 4 (center) - Highlighter Green, tallest */
.vauxn-loader-bar:nth-child(4) {
    height: 72px;
    background: var(--vauxn-green);
    animation-delay: 0.3s;
}

/* Bounce animation - scales from center */
@keyframes barBounce {
    0%, 100% {
        transform: scaleY(1);
    }
    25% {
        transform: scaleY(0.6);
    }
    50% {
        transform: scaleY(1.15);
    }
    75% {
        transform: scaleY(0.85);
    }
}

/* Loading text */
.vauxn-loader-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: #6b7280;
    margin-top: 0;
    opacity: 0;
    animation: textFadeIn 0.6s ease-out 0.5s forwards;
}

@keyframes textFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Optional progress bar */
.vauxn-loader-progress {
    width: 200px;
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.vauxn-loader-progress.visible {
    opacity: 1;
}

.vauxn-loader-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg,
        var(--vauxn-yellow),
        var(--vauxn-orange),
        var(--vauxn-red),
        var(--vauxn-green),
        var(--vauxn-red),
        var(--vauxn-orange),
        var(--vauxn-yellow)
    );
    background-size: 200% 100%;
    animation: gradientShift 2s ease infinite;
    border-radius: 2px;
    transition: width 0.3s ease-out;
}

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

/* Responsive adjustments */
@media (max-width: 480px) {
    .vauxn-loader-logo {
        gap: 4px;
        height: 60px;
    }

    .vauxn-loader-bar {
        width: 8px;
        border-radius: 4px;
    }

    .vauxn-loader-bar:nth-child(1),
    .vauxn-loader-bar:nth-child(7) { height: 18px; }

    .vauxn-loader-bar:nth-child(2),
    .vauxn-loader-bar:nth-child(6) { height: 30px; }

    .vauxn-loader-bar:nth-child(3),
    .vauxn-loader-bar:nth-child(5) { height: 42px; }

    .vauxn-loader-bar:nth-child(4) { height: 54px; }

    .vauxn-loader-progress {
        width: 160px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .vauxn-loader-overlay {
        background: #1f2937;
    }

    .vauxn-loader-text {
        color: #9ca3af;
    }

    .vauxn-loader-progress {
        background: #374151;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .vauxn-loader-bar {
        animation: none;
    }

    .vauxn-loader-progress-bar {
        animation: none;
    }

    .vauxn-loader-text {
        animation: none;
        opacity: 1;
    }
}