/**
 * Video Parallax Pro - Frontend Styles
 *
 * BEM naming convention with vpp- prefix
 */

:root {
    --vpp-frame-transition: opacity 0.15s ease-out;
    --vpp-overlay-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --vpp-z-index-frames: 1;
    --vpp-z-index-overlay: 10;
}

/* Container */
.vpp-container {
    position: relative;
    width: 100%;
}

.vpp-sticky-wrapper {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}

.vpp-frames-wrapper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: #000;
}

.vpp-overlay-layer {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: var(--vpp-z-index-overlay);
}

/* Frames */
.vpp-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--vpp-frame-transition);
}

.vpp-frame--active {
    opacity: 1;
}

.vpp-frame--loading {
    opacity: 0;
}

/* Poster */
.vpp-poster {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Placeholder */
.vpp-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.vpp-placeholder p {
    text-align: center;
    padding: 2rem;
}

/* Text Overlays Base */
.vpp-text {
    position: absolute;
    display: block;
    padding: 0.5em 1em;
    margin: 0;
    pointer-events: auto;
    transition: var(--vpp-overlay-transition);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.4;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    word-wrap: break-word;
}

/* Text Alignment */
.vpp-text--left {
    left: 5%;
    text-align: left;
    align-self: flex-start;
}

.vpp-text--center {
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    align-self: center;
}

.vpp-text--right {
    right: 5%;
    text-align: right;
    align-self: flex-end;
}

/* Text Styles */
.vpp-text--default {
    /* Plain text with shadow - no background */
    background: transparent;
}

.vpp-text--badge {
    display: inline-block;
    padding: 0.4em 1.2em;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.8em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.vpp-text--card {
    display: inline-block;
    padding: 1em 1.5em;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.vpp-text--accent {
    display: inline-block;
    padding: 1em 2em;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(8px);
    border-radius: 4px;
    border-left: 4px solid rgba(255, 255, 255, 0.8);
}

.vpp-text--glass {
    display: inline-block;
    padding: 1.5em 2em;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px) saturate(180%);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Animation States */
.vpp-text--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
}

.vpp-text--hidden {
    opacity: 0;
}

/* Reset transforms for alignment variants */
.vpp-text--left.vpp-text--visible {
    transform: translateY(0);
}

.vpp-text--left.vpp-text--hidden {
    transform: translateY(20px);
}

.vpp-text--right.vpp-text--visible {
    transform: translateY(0);
}

.vpp-text--right.vpp-text--hidden {
    transform: translateY(20px);
}

/* Animations */
.vpp-text--fade.vpp-text--hidden {
    opacity: 0;
}

.vpp-text--fade.vpp-text--visible {
    opacity: 1;
}

.vpp-text--slide-up.vpp-text--hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
}

.vpp-text--slide-up.vpp-text--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.vpp-text--slide-left.vpp-text--hidden {
    opacity: 0;
    transform: translateX(-50%) translateX(-20px);
}

.vpp-text--slide-left.vpp-text--visible {
    opacity: 1;
    transform: translateX(-50%) translateX(0);
}

.vpp-text--slide-right.vpp-text--hidden {
    opacity: 0;
    transform: translateX(-50%) translateX(20px);
}

.vpp-text--slide-right.vpp-text--visible {
    opacity: 1;
    transform: translateX(-50%) translateX(0);
}

.vpp-text--scale.vpp-text--hidden {
    opacity: 0;
    transform: translateX(-50%) scale(0.95);
}

.vpp-text--scale.vpp-text--visible {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* Left/Right alignment corrections for animations */
.vpp-text--left.vpp-text--slide-up.vpp-text--hidden {
    transform: translateY(20px);
}

.vpp-text--left.vpp-text--slide-up.vpp-text--visible {
    transform: translateY(0);
}

.vpp-text--right.vpp-text--slide-up.vpp-text--hidden {
    transform: translateY(20px);
}

.vpp-text--right.vpp-text--slide-up.vpp-text--visible {
    transform: translateY(0);
}

.vpp-text--left.vpp-text--slide-left.vpp-text--hidden {
    transform: translateX(-20px);
}

.vpp-text--left.vpp-text--slide-left.vpp-text--visible {
    transform: translateX(0);
}

.vpp-text--right.vpp-text--slide-right.vpp-text--hidden {
    transform: translateX(20px);
}

.vpp-text--right.vpp-text--slide-right.vpp-text--visible {
    transform: translateX(0);
}

.vpp-text--left.vpp-text--scale.vpp-text--hidden {
    transform: scale(0.95);
}

.vpp-text--left.vpp-text--scale.vpp-text--visible {
    transform: scale(1);
}

.vpp-text--right.vpp-text--scale.vpp-text--hidden {
    transform: scale(0.95);
}

.vpp-text--right.vpp-text--scale.vpp-text--visible {
    transform: scale(1);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .vpp-text {
        font-size: 0.75em;
        padding: 0.4em 0.8em;
    }

    .vpp-text--badge {
        font-size: 0.7em;
        padding: 0.3em 0.8em;
    }

    .vpp-text--card,
    .vpp-text--accent,
    .vpp-text--glass {
        padding: 0.8em 1.2em;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .vpp-frame,
    .vpp-text {
        transition: none;
    }
}