/**
 * Octane Resource Library - Standalone CSS
 * Version: 1.0.0
 * Upload this file to HubSpot File Manager
 * Then reference it in your module using require_css()
 */

/* ============================================
   CSS Custom Properties (Edit these to customize)
   ============================================ */
:root {
    --rl-accent: #06b6d4;
    --rl-accent-glow: rgba(6, 182, 212, 0.25);
    --rl-accent-subtle: rgba(6, 182, 212, 0.15);
    --rl-bg-primary: #000000;
    --rl-bg-card: rgba(24, 24, 27, 0.6);
    --rl-border: rgba(255, 255, 255, 0.1);
    --rl-text-primary: #ffffff;
    --rl-text-secondary: rgba(255, 255, 255, 0.7);
    --rl-text-muted: rgba(255, 255, 255, 0.5);
    --rl-radius: 16px;
    --rl-radius-sm: 8px;
    --rl-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Container
   ============================================ */
.resource-library {
    position: relative;
    padding: 80px 24px;
    min-height: 100vh;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Background Variants */
.resource-library.rl-dark {
    background: var(--rl-bg-primary);
    color: var(--rl-text-primary);
}

.resource-library.rl-light {
    --rl-bg-primary: #ffffff;
    --rl-bg-card: rgba(0, 0, 0, 0.03);
    --rl-border: rgba(0, 0, 0, 0.1);
    --rl-text-primary: #18181b;
    --rl-text-secondary: rgba(0, 0, 0, 0.7);
    --rl-text-muted: rgba(0, 0, 0, 0.5);
    background: var(--rl-bg-primary);
    color: var(--rl-text-primary);
}

.resource-library.rl-transparent {
    background: transparent;
}

.rl-container {
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

/* ============================================
   Ambient Background Effects
   ============================================ */
.rl-ambient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.rl-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
}

.rl-glow-1 {
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--rl-accent);
    opacity: 0.08;
}

.rl-glow-2 {
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: #a855f7;
    opacity: 0.06;
}

/* ============================================
   Header
   ============================================ */
.rl-header {
    text-align: center;
    margin-bottom: 48px;
}

.rl-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 16px;
    background: linear-gradient(135deg, var(--rl-text-primary) 0%, var(--rl-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rl-description {
    font-size: 1.125rem;
    color: var(--rl-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   Controls: Categories + Search
   ============================================ */
.rl-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
    align-items: center;
}

@media (min-width: 768px) {
    .rl-controls {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* Category Filters */
.rl-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.rl-category-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rl-text-secondary);
    background: var(--rl-bg-card);
    border: 1px solid var(--rl-border);
    border-radius: 999px;
    cursor: pointer;
    transition: var(--rl-transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.rl-category-btn:hover {
    color: var(--rl-text-primary);
    border-color: var(--rl-accent);
    transform: translateY(-2px);
}

.rl-category-btn.active {
    color: var(--rl-bg-primary);
    background: var(--rl-accent);
    border-color: var(--rl-accent);
    box-shadow: 0 4px 20px var(--rl-accent-glow);
}

.rl-cat-icon {
    display: flex;
    align-items: center;
    font-size: 1rem;
}

/* Search Bar */
.rl-search-wrapper {
    position: relative;
    width: 100%;
    max-width: 320px;
}

.rl-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rl-text-muted);
    pointer-events: none;
}

.rl-search {
    width: 100%;
    padding: 12px 16px 12px 48px;
    font-size: 0.9375rem;
    color: var(--rl-text-primary);
    background: var(--rl-bg-card);
    border: 1px solid var(--rl-border);
    border-radius: var(--rl-radius);
    outline: none;
    transition: var(--rl-transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.rl-search::placeholder {
    color: var(--rl-text-muted);
}

.rl-search:focus {
    border-color: var(--rl-accent);
    box-shadow: 0 0 0 3px var(--rl-accent-glow);
}

/* ============================================
   Resource Grid
   ============================================ */
.rl-grid {
    display: grid;
    gap: 24px;
}

.rl-cols-2 {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.rl-cols-3 {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.rl-cols-4 {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

@media (min-width: 1024px) {
    .rl-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .rl-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .rl-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   Resource Card
   ============================================ */
.rl-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--rl-bg-card);
    border: 1px solid var(--rl-border);
    border-radius: var(--rl-radius);
    overflow: hidden;
    transition: var(--rl-transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.rl-card:hover {
    transform: translateY(-8px);
    border-color: var(--rl-accent);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 40px var(--rl-accent-glow);
}

.rl-card.rl-featured {
    border-color: var(--rl-accent);
    background: linear-gradient(135deg, var(--rl-bg-card) 0%, rgba(6, 182, 212, 0.1) 100%);
}

/* Featured Badge */
.rl-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rl-bg-primary);
    background: var(--rl-accent);
    border-radius: 999px;
    z-index: 10;
}

/* Thumbnail */
.rl-thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.rl-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.rl-card:hover .rl-thumbnail img {
    transform: scale(1.05);
}

.rl-pdf-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--rl-accent);
    opacity: 0.7;
}

.rl-pdf-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Card Content */
.rl-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rl-category-tag {
    display: inline-block;
    padding: 4px 8px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--rl-accent);
    background: var(--rl-accent-subtle);
    border-radius: var(--rl-radius-sm);
    width: fit-content;
}

.rl-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--rl-text-primary);
    margin: 0;
    line-height: 1.4;
}

.rl-card-desc {
    font-size: 0.875rem;
    color: var(--rl-text-secondary);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.rl-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.rl-file-size {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--rl-text-muted);
}

/* Download Button */
.rl-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 20px 20px;
    padding: 12px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rl-bg-primary);
    background: var(--rl-accent);
    border: none;
    border-radius: var(--rl-radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: var(--rl-transition);
}

.rl-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--rl-accent-glow);
    filter: brightness(1.1);
}

.rl-download-btn:active {
    transform: translateY(0);
}

/* ============================================
   Empty & No Results States
   ============================================ */
.rl-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    text-align: center;
    color: var(--rl-text-muted);
}

.rl-empty svg {
    margin-bottom: 24px;
    opacity: 0.3;
}

.rl-empty p {
    font-size: 1.25rem;
    font-weight: 500;
    margin: 0 0 8px;
    color: var(--rl-text-secondary);
}

.rl-empty span {
    font-size: 0.875rem;
}

.rl-no-results {
    text-align: center;
    padding: 48px 24px;
    color: var(--rl-text-secondary);
}

.rl-no-results p {
    font-size: 1.125rem;
    margin: 0 0 16px;
}

.rl-clear-search {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rl-accent);
    background: transparent;
    border: 1px solid var(--rl-accent);
    border-radius: var(--rl-radius-sm);
    cursor: pointer;
    transition: var(--rl-transition);
}

.rl-clear-search:hover {
    color: var(--rl-bg-primary);
    background: var(--rl-accent);
}

/* ============================================
   Animations
   ============================================ */
@keyframes rl-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rl-card {
    animation: rl-fadeIn 0.5s ease forwards;
}

.rl-card:nth-child(1) {
    animation-delay: 0.05s;
}

.rl-card:nth-child(2) {
    animation-delay: 0.1s;
}

.rl-card:nth-child(3) {
    animation-delay: 0.15s;
}

.rl-card:nth-child(4) {
    animation-delay: 0.2s;
}

.rl-card:nth-child(5) {
    animation-delay: 0.25s;
}

.rl-card:nth-child(6) {
    animation-delay: 0.3s;
}

.rl-card:nth-child(7) {
    animation-delay: 0.35s;
}

.rl-card:nth-child(8) {
    animation-delay: 0.4s;
}

.rl-card:nth-child(9) {
    animation-delay: 0.45s;
}

/* Hidden State for Filtering */
.rl-card.rl-hidden {
    display: none;
}

/* ============================================
   Accessibility
   ============================================ */
@media (prefers-reduced-motion: reduce) {

    .rl-card,
    .rl-category-btn,
    .rl-download-btn,
    .rl-search {
        transition: none;
        animation: none;
    }

    .rl-card:hover .rl-thumbnail img {
        transform: none;
    }
}

/* Focus States */
.rl-category-btn:focus-visible,
.rl-download-btn:focus-visible,
.rl-search:focus-visible {
    outline: 2px solid var(--rl-accent);
    outline-offset: 2px;
}

/* Screen Reader Only */
.rl-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}