/**
 * CUEBES Hero Section Styles
 *
 * Matches the CUEBES platform's glass-morphism design system.
 * Deep navy backgrounds, translucent glass cards, indigo/cyan/pink brand colors.
 *
 * @package VAIC_Theme
 */

/* ==========================================================================
   CSS Custom Properties (CUEBES Design Tokens)
   ========================================================================== */

.cuebes-hero {
    --cuebes-bg: #0f0f23;
    --cuebes-bg-secondary: #1a1a3e;

    /* Glass */
    --cuebes-glass-bg: rgba(255, 255, 255, 0.08);
    --cuebes-glass-bg-hover: rgba(255, 255, 255, 0.12);
    --cuebes-glass-border: rgba(255, 255, 255, 0.18);
    --cuebes-glass-border-hover: rgba(255, 255, 255, 0.25);
    --cuebes-glass-blur: 20px;
    --cuebes-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);

    /* Brand Colors */
    --cuebes-primary: #6366f1;
    --cuebes-primary-light: #818cf8;
    --cuebes-secondary: #06b6d4;
    --cuebes-secondary-light: #22d3ee;
    --cuebes-accent: #f472b6;
    --cuebes-accent-light: #f9a8d4;

    /* Text */
    --cuebes-text: #ffffff;
    --cuebes-text-secondary: rgba(255, 255, 255, 0.85);
    --cuebes-text-tertiary: rgba(255, 255, 255, 0.65);
    --cuebes-text-muted: rgba(255, 255, 255, 0.45);

    /* Layout */
    --cuebes-card-width: 320px;
    --cuebes-card-gap: 1.25rem;
    --cuebes-row-padding: 0.75rem;
    --cuebes-radius: 24px;
    --cuebes-radius-sm: 12px;
    --cuebes-marquee-duration: 60s;
    --cuebes-fade-width: 80px;
}

/* ==========================================================================
   Transition Element (between letters hero and CUEBES section)
   ========================================================================== */

/* Fade overlay on the bottom of the letters hero */
.vaic-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(to bottom, transparent 0%, #0f0f23 100%);
    z-index: 50;
    pointer-events: none;
}

/* Tiny seam closer between hero and CUEBES section */
.vaic-cuebes-transition {
    display: none;
}

/* ==========================================================================
   Main Container
   ========================================================================== */

.cuebes-hero {
    position: relative;
    width: 100%;
    background: var(--cuebes-bg);
    padding: 3rem 0 4rem;
    overflow: hidden;
}

/* Ambient background orbs */
.cuebes-hero::before,
.cuebes-hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
}

.cuebes-hero::before {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -100px;
    background: radial-gradient(circle, var(--cuebes-primary) 0%, transparent 70%);
}

.cuebes-hero::after {
    width: 500px;
    height: 500px;
    bottom: -150px;
    right: -100px;
    background: radial-gradient(circle, var(--cuebes-secondary) 0%, transparent 70%);
}

/* Paused state */
.cuebes-hero[data-state="paused"] .cuebes-hero__track {
    animation-play-state: paused;
}

.cuebes-hero__track[data-paused="true"] {
    animation-play-state: paused;
}

/* ==========================================================================
   Row Layout
   ========================================================================== */

.cuebes-hero__row {
    position: relative;
    margin-bottom: 1.5rem;
}

.cuebes-hero__row:last-child {
    margin-bottom: 0;
}

/* Track wrapper with fade edges */
.cuebes-hero__track-wrapper {
    position: relative;
    overflow: hidden;
}

/* Fade edges */
.cuebes-hero__track-wrapper::before,
.cuebes-hero__track-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: var(--cuebes-fade-width);
    z-index: 5;
    pointer-events: none;
}

.cuebes-hero__track-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--cuebes-bg) 0%, transparent 100%);
}

.cuebes-hero__track-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--cuebes-bg) 0%, transparent 100%);
}

/* ==========================================================================
   Track (Marquee)
   ========================================================================== */

.cuebes-hero__track {
    display: flex;
    gap: var(--cuebes-card-gap);
    padding: var(--cuebes-row-padding) 0;
    animation: cuebes-marquee var(--cuebes-marquee-duration) linear infinite;
    will-change: transform;
}

/* Pause on hover */
.cuebes-hero__track:hover {
    animation-play-state: paused;
}

@keyframes cuebes-marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.cuebes-hero__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 200px;
    padding: 2rem;
}

.cuebes-hero__loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--cuebes-glass-border);
    border-top-color: var(--cuebes-primary);
    border-radius: 50%;
    animation: cuebes-spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Empty & Error States
   ========================================================================== */

.cuebes-hero__empty,
.cuebes-hero__error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 2rem;
    color: var(--cuebes-text-muted);
    font-size: 0.875rem;
}

.cuebes-hero__retry-btn {
    margin-top: 1rem;
    padding: 0.5rem 1.25rem;
    background: var(--cuebes-glass-bg);
    backdrop-filter: blur(var(--cuebes-glass-blur));
    -webkit-backdrop-filter: blur(var(--cuebes-glass-blur));
    border: 1px solid var(--cuebes-glass-border);
    border-radius: 9999px;
    color: var(--cuebes-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.cuebes-hero__retry-btn:hover {
    background: var(--cuebes-glass-bg-hover);
    border-color: var(--cuebes-glass-border-hover);
}

/* ==========================================================================
   Post Card (Glass Morphism)
   ========================================================================== */

.cuebes-post {
    flex: 0 0 var(--cuebes-card-width);
    width: var(--cuebes-card-width);
    background: var(--cuebes-glass-bg);
    backdrop-filter: blur(var(--cuebes-glass-blur));
    -webkit-backdrop-filter: blur(var(--cuebes-glass-blur));
    border: 1px solid var(--cuebes-glass-border);
    border-radius: var(--cuebes-radius);
    overflow: hidden;
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    /* Specular highlight */
    box-shadow:
        var(--cuebes-glass-shadow),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.06);
}

.cuebes-post:hover {
    background: var(--cuebes-glass-bg-hover);
    border-color: var(--cuebes-glass-border-hover);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Post link (entire card is clickable) */
.cuebes-post__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1rem;
    color: var(--cuebes-text);
    text-decoration: none;
}

.cuebes-post__link:hover,
.cuebes-post__link:focus {
    color: var(--cuebes-text);
    opacity: 1;
}

/* ==========================================================================
   Post Header (Avatar + Author Info)
   ========================================================================== */

.cuebes-post__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.cuebes-post__avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--cuebes-glass-bg);
    border: 2px solid transparent;
    background-clip: padding-box;
}

.cuebes-post__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cuebes-post__author {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0.5rem;
    min-width: 0;
    flex: 1;
}

.cuebes-post__name {
    font-weight: 600;
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    color: var(--cuebes-text);
}

.cuebes-post__verified {
    display: inline-flex;
    align-items: center;
    color: var(--cuebes-primary-light);
}

.cuebes-post__verified[hidden] {
    display: none;
}

.cuebes-post__time {
    font-size: 0.8125rem;
    color: var(--cuebes-text-muted);
    white-space: nowrap;
}

/* ==========================================================================
   Post Content
   ========================================================================== */

.cuebes-post__content {
    flex: 1;
    margin-bottom: 0.75rem;
}

.cuebes-post__text {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--cuebes-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================================================
   Post Footer (Stats)
   ========================================================================== */

.cuebes-post__footer {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--cuebes-glass-border);
}

.cuebes-post__stat {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--cuebes-text-muted);
    transition: color 0.2s ease;
}

.cuebes-post__stat svg {
    flex-shrink: 0;
}

.cuebes-post__stat--likes:hover {
    color: #ef4444;
}

.cuebes-post__stat--comments:hover {
    color: var(--cuebes-primary-light);
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 1024px) {
    .cuebes-hero {
        --cuebes-card-width: 280px;
        --cuebes-fade-width: 60px;
    }
}

@media (max-width: 768px) {
    .cuebes-hero {
        --cuebes-card-width: 260px;
        --cuebes-card-gap: 1rem;
        --cuebes-fade-width: 40px;
        --cuebes-radius: 16px;
        padding: 2rem 0;
    }

    .cuebes-hero__row {
        margin-bottom: 1.25rem;
    }
}

@media (max-width: 480px) {
    .cuebes-hero {
        --cuebes-card-width: 240px;
    }

    .cuebes-post__link {
        padding: 0.875rem;
    }

    .cuebes-post__header {
        gap: 0.5rem;
    }

    .cuebes-post__avatar {
        width: 32px;
        height: 32px;
    }

    .cuebes-post__name {
        font-size: 0.875rem;
    }

    .cuebes-post__text {
        font-size: 0.875rem;
        -webkit-line-clamp: 2;
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .cuebes-hero__track {
        animation: none;
    }

    .cuebes-hero__loading-spinner {
        animation: none;
        border-style: dashed;
    }

    .cuebes-post {
        transition: none;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .cuebes-hero,
    .vaic-cuebes-transition {
        display: none;
    }
}