/* ==========================================================================
   UniGear Explore Catalog Stylesheet
   Overlapping College Envelopes with Dynamic Live Filters & Micro-interactions
   ========================================================================== */

:root {
    --bg-dark: #0b0f17;
    --bg-surface: #111722;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-muted: rgba(255, 255, 255, 0.55);
    --accent-green: #2ecc71;
    --accent-amber: #f39c12;
    --radius-lg: 28px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.explorer-page {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

/* ==========================================================================
   Explore Hero Section (No Shadow Overlay on Image/Text)
   ========================================================================== */
.explore-hero {
    position: relative;
    width: 100%;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #121212;
}

.explore-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    z-index: 0;
}

.explore-hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 900px;
    padding: 50px 20px 60px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.explore-hero-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 6.5vw, 4.8rem);
    letter-spacing: 2px;
    color: #ffffff;
    margin: 0 0 10px 0;
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.75);
    line-height: 1.05;
}

.explore-hero-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 650px;
    margin: 0 auto 26px auto;
    line-height: 1.5;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85);
}

/* Search and Filter Box in Hero */
.explore-search-filter-box {
    width: 100%;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.search-input-wrap {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.1rem;
    pointer-events: none;
}

.explore-search-input {
    width: 100%;
    padding: 14px 46px 14px 48px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(18, 18, 18, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    outline: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    transition: all 0.25s ease;
}

.explore-search-input:focus {
    border-color: var(--accent-green);
    background: rgba(18, 18, 18, 0.88);
    box-shadow: 0 8px 28px rgba(46, 204, 113, 0.3);
}

.explore-search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.btn-clear-search {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #ffffff;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background 0.2s ease;
}

.btn-clear-search:hover {
    background: rgba(255, 255, 255, 0.4);
}

.filter-chips-row {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(18, 18, 18, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-chip:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.6);
}

.filter-chip.active {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #0b0f17;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(46, 204, 113, 0.4);
}

/* ==========================================================================
   Sticky College Jump Navigation
   ========================================================================== */
.college-jump-nav {
    position: sticky;
    top: 70px;
    z-index: 100;
    background: rgba(14, 18, 25, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 24px;
}

.jump-nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    overflow-x: auto;
    scrollbar-width: none;
}

.jump-nav-container::-webkit-scrollbar {
    display: none;
}

.jump-nav-label {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.jump-pill-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.jump-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.jump-pill:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
}

.jump-pill.active {
    background: var(--pill-color, var(--accent-green));
    border-color: var(--pill-color, var(--accent-green));
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Overlapping College Envelopes Catalog
   ========================================================================== */
.college-envelopes-wrapper {
    position: relative;
    width: 100%;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
}

/* College Solid Color Classes */
.CASS { background-color: #324831; }
.CCS  { background-color: #598181; }
.CBA  { background-color: #9A9A71; }
.CHS  { background-color: #8B9EAF; }
.CED  { background-color: #414459; }
.COE  { background-color: #593838; }
.CSM  { background-color: #934F50; }

/* The Envelope Section Container */
.college-envelope-section {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    margin-top: -38px;
    padding: 35px 40px 55px 40px;
    min-height: 380px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.35);
    color: #ffffff;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-sizing: border-box;
}

.college-envelope-section:first-of-type {
    margin-top: 0;
}

/* Hover Height Expansion & Elevation Micro-interaction */
.college-envelope-section:hover {
    z-index: 30 !important;
    padding-bottom: 80px;
    transform: translateY(-8px);
    box-shadow: 0 -16px 45px rgba(0, 0, 0, 0.55);
}

/* Watermark College Logo Overlay in Section Background */
.college-watermark-overlay {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 260px;
    color: #ffffff;
    opacity: 0.08;
    pointer-events: none;
    user-select: none;
    z-index: 0;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.college-envelope-section:hover .college-watermark-overlay {
    opacity: 0.15;
    transform: translateY(-50%) scale(1.05);
}

/* College Header Inside Envelope */
.college-envelope-header {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    margin-bottom: 24px;
}

.college-header-title-group {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.college-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.3rem;
    color: #ffffff;
    margin: 0;
    letter-spacing: 1px;
    opacity: 0.95;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.college-abbr-pill {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #ffffff;
    letter-spacing: 0.5px;
}

.college-items-pill {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.view-more-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    opacity: 0.9;
    padding: 7px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.25s ease;
    backdrop-filter: blur(6px);
}

.view-more-link:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.28);
    transform: translateX(4px);
}

/* ==========================================================================
   Merchandise Cards & Envelope Row
   ========================================================================== */
.merchandise-envelope-row {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: flex-start;
}

.merchandise-card {
    position: relative;
    width: 220px;
    height: 300px;
    display: block;
    text-decoration: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
    transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.35s ease, border-radius 0.35s ease;
    flex-shrink: 0;
}

.merchandise-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
    border-radius: 20px;
}

.merch-img-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.merch-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.merchandise-card:hover .merch-img-container img {
    transform: scale(1.08);
}

/* Gradient overlay at bottom of card */
.merchandise-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.25) 45%, rgba(0, 0, 0, 0.92) 100%);
    z-index: 1;
    pointer-events: none;
}

/* Status Badges */
.merch-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 3;
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
}

.badge-preorder {
    background: rgba(255, 184, 0, 0.95);
    color: #121212;
}

.badge-batch {
    background: rgba(46, 204, 113, 0.95);
    color: #121212;
}

/* Card Details Overlay */
.merch-info-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 14px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.merch-org-tag {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.85);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.merch-product-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.35rem;
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.merch-bottom-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
}

.merch-price {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 800;
    color: #ffffff;
}

.merch-reserve-count {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    color: #ffd166;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 8px;
    border-radius: 4px;
}

/* ==========================================================================
   Empty College State in Envelope
   ========================================================================== */
.no-merchandise {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 20px;
}

.empty-envelope-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.empty-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #ffffff;
    backdrop-filter: blur(6px);
}

.empty-text {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
}

.btn-explore-orgs {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #ffffff;
    border-radius: 30px;
    font-family: 'Inter', sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    backdrop-filter: blur(8px);
}

.btn-explore-orgs:hover {
    background: #ffffff;
    color: #121212;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

/* ==========================================================================
   No Search Results Feedback Box
   ========================================================================== */
.no-search-results {
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 60px 24px;
    text-align: center;
    color: var(--text-primary);
    max-width: 600px;
    margin: 40px auto;
}

.no-search-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.no-search-results h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.no-search-results p {
    font-family: 'Inter', sans-serif;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 24px;
}

.btn-reset-search {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--accent-green);
    color: #0b0f17;
    border: none;
    border-radius: 30px;
    font-family: 'Inter', sans-serif;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-reset-search:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(46, 204, 113, 0.35);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .college-envelope-section {
        padding: 30px 24px 45px 24px;
    }

    .college-watermark-overlay {
        font-size: 200px;
        right: 15px;
    }
}

@media (max-width: 768px) {
    .explore-hero {
        min-height: 320px;
    }

    .explore-hero-content {
        padding: 35px 16px 45px 16px;
    }

    .explore-hero-title {
        font-size: 2.8rem;
    }

    .college-jump-nav {
        top: 60px;
        padding: 8px 16px;
    }

    .college-envelope-section {
        border-radius: 20px 20px 0 0;
        margin-top: -28px;
        padding: 24px 16px 40px 16px;
    }

    .college-envelope-section:hover {
        padding-bottom: 55px;
        transform: translateY(-4px);
    }

    .merchandise-envelope-row {
        gap: 16px;
        justify-content: center;
    }

    .merchandise-card {
        width: calc(50% - 10px);
        min-width: 150px;
        max-width: 200px;
        height: 260px;
    }

    .college-watermark-overlay {
        font-size: 150px;
        opacity: 0.05;
    }
}

@media (max-width: 480px) {
    .explore-hero-title {
        font-size: 2.3rem;
    }

    .college-title {
        font-size: 1.8rem;
    }

    .merchandise-card {
        width: 100%;
        max-width: 260px;
        height: 300px;
    }
}