@charset "UTF-8";

/* ==========================================================================
   Parabell Community House (PCH) - Live Gallery (Fluid Responsive)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Base & Variables
   -------------------------------------------------------------------------- */
:root {
    --font-main: 'Zen Kaku Gothic New', sans-serif;
    --font-en: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Light Theme (Default) */
    --text-main: rgba(0, 0, 0, 0.9);
    --text-sub: rgba(80, 96, 112, 0.85);
    --text-footer: rgba(80, 96, 112, 0.4);
    --accent: #4f46e5;
    --accent-glow: rgba(79, 70, 229, 0.2);
    --secondary: #0ea5e9;
    --secondary-glow: rgba(14, 165, 233, 0.2);
    --tertiary: var(--secondary);
    --error: #ff0055;
    --border: rgba(0, 0, 0, 0.08);
    --bg-color: #f4f7f9;
    --sidebar-bg: rgba(255, 255, 255, 0.6);
    --modal-bg: rgba(244, 248, 252, 0.95);
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-hover: rgba(255, 255, 255, 1);
}

[data-theme="dark"] {
    /* Dark Theme Overrides */
    --text-main: rgba(255, 255, 255, 0.9);
    --text-sub: rgba(176, 200, 224, 0.85);
    --text-footer: rgba(176, 200, 224, 0.4);
    --accent: #00f0ff;
    --accent-glow: rgba(0, 240, 255, 0.2);
    --secondary: var(--accent);
    --secondary-glow: var(--accent-glow);
    --tertiary: #ff0055;
    --border: rgba(255, 255, 255, 0.12);
    --bg-color: #030305;
    --sidebar-bg: rgba(10, 10, 15, 0.4);
    --modal-bg: rgba(48, 48, 72, 0.25);
    --card-bg: rgba(20, 20, 30, 0.6);
    --card-hover: rgba(35, 35, 50, 0.9);
}

html {
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
}

body {
    font-family: var(--font-en);
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Background Atmosphere */
body::before {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100vw;
    height: 100dvh;
    pointer-events: none;
    content: '';
    background: radial-gradient(circle at top left, var(--accent-glow) 0%, transparent 40%),
        radial-gradient(circle at bottom right, rgba(255, 0, 85, 0.15) 0%, transparent 40%);
}

/* --------------------------------------------------------------------------
   2. Theme Toggle (Absolute Top Right)
   -------------------------------------------------------------------------- */
.theme-toggle-btn {
    position: fixed;
    top: 32px;
    right: 32px;
    z-index: 200;
    width: 48px;
    height: 48px;
    font-size: 12px;
    color: var(--text-main);
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

@media (hover: hover) and (pointer: fine) {
    .theme-toggle-btn:hover {
        color: var(--secondary);
        border-color: var(--secondary);
        box-shadow: 0 4px 10px var(--secondary-glow);
    }
}

.theme-toggle-btn:active {
    color: var(--secondary);
    border-color: var(--secondary);
    box-shadow: 0 4px 10px var(--secondary-glow);
}

/* App Layout - Split Pane */
.app-layout {
    position: relative;
    display: flex;
    min-height: 100dvh;
}

/* --------------------------------------------------------------------------
   3. Layout Components
   -------------------------------------------------------------------------- */
/* Sidebar */
.sidebar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    flex-shrink: 0;
    flex-direction: column;
    width: 375px;
    height: 100dvh;
    padding: 32px 24px;
    overflow-y: auto;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

/* Custom Scrollbar for Sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 4px;
}

.sidebar-header {
    margin-bottom: clamp(20px, calc(1.6vw + 14px), 30px);
}

.gallery-title {
    display: flex;
    gap: 0.3em;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-weight: 800;
    line-height: 1.1;
    filter: drop-shadow(0 4px 10px var(--accent-glow));
}

.gallery-title-text {
    background-image: linear-gradient(90deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .gallery-title-text {
    background-image: linear-gradient(90deg, var(--accent), #00bfff);
}

.poly-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
}

/* Collection Switcher Segmented Control with Slider */
.collection-switcher {
    position: relative;
    z-index: 10;
    display: flex;
    gap: 8px;
    padding: 6px;
    margin-bottom: clamp(20px, calc(1.6vw + 14px), 30px);
    background-color: rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .collection-switcher {
    background-color: rgba(0, 0, 0, 0.4);
}

/* Sliding active background */
.collection-switcher::before {
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 6px;
    z-index: -1;
    width: calc(50% - 12px);
    content: '';
    background-color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 10px;
    box-shadow: 0 10px 25px var(--accent-glow);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.4s, border-color 0.4s, box-shadow 0.4s;
}

/* If second button is active, slide it right */
.collection-switcher:has(.collection-btn:nth-child(2).active)::before {
    transform: translateX(calc(100% + 8px));
}

[data-theme="dark"] .collection-switcher::before {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(255, 0, 85, 0.2));
    box-shadow: 0 0 25px var(--accent-glow), inset 0 0 10px rgba(255, 255, 255, 0.1);
}

.collection-btn {
    z-index: 20;
    flex: 1;
    padding: clamp(8px, calc(0.64vw + 5.6px), 12px);
    font-family: inherit;
    font-size: 16px;
    color: var(--text-sub);
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 12px;
    box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
    .collection-btn:hover {
        color: var(--accent);
    }
}

.collection-btn.active {
    font-weight: 800;
    color: #fff;
}

/* Dark Mode Overrides for Collection Buttons Text */
@media (hover: hover) and (pointer: fine) {
    [data-theme="dark"] .collection-btn:hover {
        color: var(--text-main);
    }
}

/* Sidebar Info Card */
.sidebar-info-card {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin-bottom: clamp(20px, calc(1.6vw + 14px), 30px);
    text-align: center;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    animation: fadeIn 0.6s ease;
}

.collection-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 16px;
    object-fit: cover;
    image-rendering: pixelated;
    border-radius: 8px;
    box-shadow: 0 5px 12px var(--secondary-glow);
}

.collection-name {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.3;
}

.highlight-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 10px;
    font-size: clamp(12px, calc(0.32vw + 10.8px), 14px);
    font-weight: 800;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: rgba(14, 165, 233, 0.1);
    border: 1px solid var(--secondary);
    border-radius: var(--radius-max);
    paint-order: stroke fill;
    -webkit-text-stroke: 1px var(--card-bg);
}

[data-theme="dark"] .highlight-badge {
    color: var(--accent);
    background-color: var(--accent-glow);
    border: 1px solid var(--accent);
}

.collection-desc {
    margin-bottom: 16px;
    font-family: var(--font-main);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-sub);
    text-align: center;
}

.collection-link {
    width: 128px;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--secondary);
    background-color: rgba(0, 0, 0, 0.03);
    border: 1px solid transparent;
    border-radius: 6px;
}

[data-theme="dark"] .collection-link {
    background-color: rgba(255, 255, 255, 0.05);
}

@media (hover: hover) and (pointer: fine) {
    .collection-link:hover {
        color: #fff;
        background-color: var(--secondary);
        box-shadow: 0 5px 15px var(--secondary-glow);
    }
}

.collection-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

.how-to-use-btn {
    width: 128px;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--text-sub);
    background-color: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

@media (hover: hover) and (pointer: fine) {
    .how-to-use-btn:hover {
        color: var(--tertiary);
        background-color: rgba(0, 0, 0, 0.05);
        border-color: rgba(255, 255, 255, 0.4);
    }
}

.how-to-use-btn:disabled,
.how-to-use-btn[disabled] {
    pointer-events: none;
    cursor: not-allowed;
    opacity: 0.4;
}

[data-theme="dark"] .how-to-use-btn {
    color: var(--text-main);
    border-color: rgba(255, 255, 255, 0.1);
}

@media (hover: hover) and (pointer: fine) {
    [data-theme="dark"] .how-to-use-btn:hover {
        background-color: rgba(255, 255, 255, 0.15);
    }
}

.mobile-only {
    display: none !important;
}

/* Search Panel in Sidebar */
.search-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: clamp(18px, calc(1.6vw + 12px), 28px);
}

.search-inputs input {
    width: 100%;
    padding: clamp(10px, calc(0.64vw + 7.6px), 14px) 16px;
    font-family: var(--font-en);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-main);
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

[data-theme="dark"] .search-inputs input {
    background-color: rgba(0, 0, 0, 0.6);
    border-color: var(--border);
    box-shadow: none;
}

.search-inputs input:focus {
    outline: none;
    background-color: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

[data-theme="dark"] .search-inputs input:focus {
    background-color: rgba(0, 240, 255, 0.05);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* NFT Placeholder (Mobile Only) */
.nft-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 168px;
    margin: 0 auto;
    color: var(--text-sub);
    border: 2px dashed rgba(0, 0, 0, 0.15);
    border-radius: 16px;
    animation: fadeIn 0.6s ease;
}

[data-theme="dark"] .nft-placeholder {
    border-color: rgba(255, 255, 255, 0.2);
}

.nft-placeholder svg {
    width: 64px;
    height: 64px;
    margin-bottom: 10px;
    opacity: 0.4;
}

.nft-placeholder p {
    margin: 0;
    font-size: clamp(14px, calc(1.02vw + 10.2px), 18px);
    font-weight: 600;
    opacity: 0.6;
}

.fast-fade-out {
    animation: fastFadeOut 0.3s ease-out forwards;
}

@keyframes fastFadeOut {
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* Load Items Button */
.load-items-btn {
    width: 100%;
    padding: clamp(10px, calc(0.64vw + 7.6px), 14px) 16px;
    font-family: inherit;
    font-size: 16px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background-color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.1);
}

@media (hover: hover) and (pointer: fine) {
    .load-items-btn:hover {
        box-shadow: 0 6px 20px rgba(79, 70, 229, 0.15);
        filter: brightness(1.2);
    }
}

.load-items-btn:disabled {
    cursor: not-allowed;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: none;
    opacity: 0.5;
    filter: none;
    transform: none;
}

[data-theme="dark"] .load-items-btn {
    background: linear-gradient(135deg, var(--accent), var(--tertiary));
    box-shadow: 0 4px 15px var(--accent-glow);
}

@media (hover: hover) and (pointer: fine) {
    [data-theme="dark"] .load-items-btn:hover {
        box-shadow: 0 6px 20px var(--accent-glow);
    }
}

[data-theme="dark"] .load-items-btn:disabled {
    border-color: rgba(255, 255, 255, 0.1);
}

.gallery-stats {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    text-align: center;
}

/* --------------------------------------------------------------------------
   4. Main Gallery Content
   -------------------------------------------------------------------------- */
.gallery-content {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(32px, calc(6.93vw - 21.3px), 48px);
}

#gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(100px, calc(3.2vw + 88px), 120px), 1fr));
    gap: clamp(12px, calc(1.28vw + 7.2px), 20px);
}

.nft-card {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    cursor: pointer;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nft-card.show {
    opacity: 1;
    transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
    .nft-card.show:hover {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 0 0 0 2px var(--secondary);
        transform: translateY(-6px);
    }
}

.image-wrapper {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .image-wrapper {
    background-color: rgba(0, 0, 0, 0.2);
}

.nft-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: pixelated;
}

.nft-info {
    padding: clamp(6px, calc(0.32vw + 4.8px), 8px);
    font-size: clamp(13px, calc(0.16vw + 12.4px), 14px);
    font-weight: 800;
    color: var(--text-sub);
    text-align: center;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border);
}

.load-more-container {
    margin-top: clamp(24px, calc(3.84vw + 9.6px), 48px);
    text-align: center;
}

.load-more-action {
    padding: 0.9em 2.2em;
    font-family: var(--font-en);
    font-size: clamp(15px, calc(0.48vw + 13.2px), 18px);
    color: var(--text-main);
    letter-spacing: 0.1em;
    background-color: transparent;
    border: 2px solid var(--border);
}

@media (hover: hover) and (pointer: fine) {
    .load-more-action:hover {
        color: var(--secondary);
        border-color: var(--secondary);
        box-shadow: 0 0 20px var(--secondary-glow);
    }
}

.load-more-action.error {
    color: var(--error);
    border-color: var(--error);
}

@media (hover: hover) and (pointer: fine) {
    .load-more-action.error:hover {
        box-shadow: 0 0 20px rgba(255, 0, 85, 0.2);
    }
}

.load-more-note {
    margin-top: 0.8em;
    font-size: clamp(10px, calc(0.32vw + 8.8px), 12px);
    color: var(--text-sub);
}

/* --------------------------------------------------------------------------
   5. Empty State Guide
   -------------------------------------------------------------------------- */
.empty-state-guide {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    animation: fadeIn 0.8s ease forwards;
}

.empty-state-guide.fade-out {
    animation: fadeOutUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeOutUp {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    to {
        opacity: 0;
        transform: translateY(-30px) scale(1);
    }
}

.guide-icon {
    width: clamp(56px, calc(1.28vw + 51.2px), 64px);
    height: clamp(56px, calc(1.28vw + 51.2px), 64px);
    margin-bottom: clamp(16px, calc(0.64vw + 13.6px), 20px);
    color: var(--secondary);
    filter: drop-shadow(0 4px 12px var(--secondary-glow));
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-8px);
    }

    100% {
        transform: translateY(0px);
    }
}

.guide-title {
    margin-bottom: 0.5em;
    font-size: clamp(24px, calc(0.64vw + 21.6px), 28px);
    font-weight: 800;
    color: var(--text-main);
}

.guide-desc {
    max-width: 550px;
    margin-bottom: 1.6em;
    font-family: var(--font-main);
    font-size: clamp(14px, calc(0.32vw + 12.8px), 16px);
    line-height: 1.8;
    color: var(--text-sub);
}

.guide-rules {
    width: 100%;
    max-width: 550px;
    padding: clamp(18px, calc(1.92vw + 10.8px), 30px);
    text-align: left;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.guide-rules h3 {
    display: flex;
    gap: 0.4em;
    align-items: center;
    margin-bottom: 1em;
    font-family: var(--font-main);
    font-size: clamp(16px, calc(0.64vw + 13.6px), 20px);
    font-weight: 700;
    color: var(--secondary);
}

.guide-rules h3 svg {
    width: clamp(18px, calc(0.64vw + 15.6px), 22px);
    height: clamp(18px, calc(0.64vw + 15.6px), 22px);
}

.guide-rules ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.guide-rules li {
    position: relative;
    padding-left: clamp(18px, calc(0.64vw + 15.6px), 22px);
    font-family: var(--font-main);
    font-size: clamp(14px, calc(0.32vw + 12.8px), 16px);
    line-height: 2;
    color: var(--text-main);
}

.guide-rules li::before {
    position: absolute;
    top: 0.3em;
    left: 0;
    font-size: clamp(12px, calc(0.16vw + 11.4px), 13px);
    color: var(--tertiary);
    content: "🔸";
}

.guide-rules code {
    padding: 0.2em 0.4em;
    margin-right: 0.5em;
    font-family: var(--font-mono);
    font-size: clamp(16px, calc(0.32vw + 14.8px), 18px);
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: 0.05em;
    background-color: var(--secondary-glow);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: 6px;
}

[data-theme="dark"] .guide-rules code {
    color: var(--text-main);
    border: 1px solid rgba(0, 240, 255, 0.3);
}

.guide-hint {
    max-width: 550px;
    margin-top: 1.8em;
    font-family: var(--font-main);
    font-size: clamp(13px, calc(0.32vw + 11.8px), 15px);
    line-height: 1.6;
    color: var(--text-sub);
}

.guide-hint .rpc-warning {
    display: block;
    margin-top: 1em;
    font-size: 12px;
    opacity: 0.8;
}

/* --------------------------------------------------------------------------
   6. Status Card
   -------------------------------------------------------------------------- */
.status-card {
    pointer-events: none;
}

.status-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1;
}

.status-icon-wrapper svg {
    width: clamp(52px, calc(1.28vw + 47.2px), 60px);
    height: clamp(52px, calc(1.28vw + 47.2px), 60px);
    opacity: 0.8;
    filter: drop-shadow(0 0 16px currentColor);
}

.status-card.error .status-icon-wrapper {
    color: var(--error);
    background-color: rgba(255, 0, 85, 0.08);
}

.status-card.error .status-card-info {
    color: var(--error);
}

.status-card.success .status-icon-wrapper {
    color: var(--secondary);
    background-color: rgba(0, 240, 255, 0.08);
}

.status-card.success .status-card-info {
    color: var(--secondary);
}

/* --------------------------------------------------------------------------
   7. Split Pane Modal & Guide Modal
   -------------------------------------------------------------------------- */
.guide-modal-container {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: none;
    width: 100vw;
    height: 100dvh;
}

#guideModal {
    overflow-y: auto;
    background: var(--bg-color);
    animation: fadeIn 0.3s ease;
}

/* Safe Area Bleed Hack for Guide Modal */
#guideModal::before {
    position: fixed;
    top: -70px;
    right: 0;
    bottom: -70px;
    left: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background-color: inherit;
}

#guideModal .guide-modal-content-wrapper {
    min-height: 100%;
    padding: clamp(48px, calc(2.56vw + 38.4px), 64px) clamp(16px, calc(5.12vw - 3.2px), 48px);
}

#guideModal.closing {
    animation: fastFadeOut 0.3s ease-out forwards;
}

.guide-modal-action {
    display: flex;
    justify-content: center;
    margin-top: clamp(26px, calc(2.24vw + 17.6px), 40px);
}

.guide-close-btn-bottom {
    display: inline-flex;
    gap: 0.3em;
    align-items: center;
    justify-content: center;
    padding: clamp(6px, calc(0.32vw + 4.8px), 8px) clamp(15px, calc(0.8vw + 12px), 20px);
    font-family: var(--font-en);
    font-size: clamp(14px, calc(0.32vw + 12.8px), 16px);
    font-weight: bold;
    color: var(--text-sub);
    cursor: pointer;
    background-color: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-max);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

@media (hover: hover) and (pointer: fine) {
    .guide-close-btn-bottom:hover {
        background-color: var(--card-hover);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    }
}

.guide-close-btn-bottom svg {
    width: clamp(16px, calc(0.64vw + 12.8px), 20px);
    height: clamp(16px, calc(0.64vw + 12.8px), 20px);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    visibility: hidden;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100dvh;
    background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.open {
    visibility: visible;
    opacity: 1;
}

.modal-inner-container {
    position: relative;
    display: flex;
    flex-direction: row;
    width: calc(100% - 30px);
    max-width: 1000px;
    height: calc(100dvh - 30px);
    max-height: 738px;
    overflow: hidden;
    background-color: var(--modal-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.open .modal-inner-container {
    transform: scale(1);
}

.modal-left-pane {
    display: flex;
    flex-direction: column;
    width: 50%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0);
    border-right: 1px solid var(--border);
}

.modal-pane-header {
    display: flex;
    gap: 15px;
    align-items: center;
    width: 100%;
    padding: clamp(15px, calc(1.6vw + 9px), 25px) clamp(20px, calc(3.2vw + 8px), 40px);
    background-color: rgba(255, 255, 255, 0.4);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .modal-pane-header {
    background-color: rgba(0, 240, 255, 0.03);
}

.modal-badge-icon {
    width: 64px;
    height: auto;
    filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.5));
}

.modal-title-text {
    margin: 0;
    font-family: var(--font-en);
    font-size: clamp(22px, calc(0.64vw + 19.6px), 26px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-main);
}

.modal-title-text span:first-child {
    margin-right: 10px;
}

.modal-img-wrapper {
    position: relative;
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    gap: clamp(12px, calc(0.96vw + 8.4px), 18px);
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 160px;
    padding: clamp(20px, calc(3.2vw + 8px), 40px);
}

.modal-badge-container:empty {
    display: none;
}

.modal-main-img {
    width: 100%;
    min-height: 120px;
    max-height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 30px var(--secondary-glow));
}

#nftModalInfo {
    width: 50%;
    padding: clamp(20px, calc(3.2vw + 8px), 40px);
    overflow-y: auto;
}

.modal-traits {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: clamp(12px, calc(0.64vw + 9.6px), 16px);
}

.trait-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(10px, calc(0.32vw + 8.8px), 12px) clamp(18px, calc(0.64vw + 15.6px), 22px);
    border-bottom: 1px solid var(--border);
    transition: background-color 0.3s;
}

@media (hover: hover) and (pointer: fine) {
    .trait-row:hover {
        background-color: rgba(0, 212, 255, 0.08);
    }
}

.trait-row:last-child {
    border-bottom: none;
}

.trait-type {
    margin-right: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-sub);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trait-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    text-align: right;
}

.close-modal {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2000;
    width: 32px;
    height: 32px;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

@media (hover: hover) and (pointer: fine) {
    .close-modal:hover {
        background-color: var(--secondary);
        border-color: var(--secondary);
        box-shadow: 0 0 20px var(--secondary-glow);
        transform: rotate(90deg);
    }

    .close-modal:hover .btn-close-icon::before,
    .close-modal:hover .btn-close-icon::after {
        background-color: #fff;
    }
}

.close-modal:active {
    background-color: var(--secondary);
    border-color: var(--secondary);
    box-shadow: 0 0 20px var(--secondary-glow);
}

.close-modal:active .btn-close-icon::before,
.close-modal:active .btn-close-icon::after {
    background-color: #fff;
}

/* --------------------------------------------------------------------------
   8. JS Dynamic & Utility Classes
   -------------------------------------------------------------------------- */
.trait-row-owner {
    background-color: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.2);
}

.trait-type-highlight {
    font-weight: 800;
    color: var(--secondary);
}

.trait-value-mono {
    font-family: var(--font-mono);
    font-size: clamp(12px, calc(0.32vw + 10.8px), 14px);
    font-weight: 400;
}

.trait-value-link {
    color: var(--secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--text-sub);
    transition: filter 0.2s;
}

.trait-value-link:hover {
    filter: brightness(1.3);
}

.trait-row-royalty {
    background-color: rgba(255, 200, 0, 0.05);
}

.trait-value-royalty {
    color: rgba(255, 200, 0, 0.9);
}

/* --------------------------------------------------------------------------
   9. Footer
   -------------------------------------------------------------------------- */
.gallery-footer {
    width: 100%;
    margin-top: 3.2em;
    font-family: var(--font-en);
    font-size: clamp(10px, calc(0.64vw + 7.6px), 14px);
    color: var(--text-footer);
    text-align: center;
    letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   10. Responsiveness & Keyframes
   -------------------------------------------------------------------------- */
@media (orientation: portrait) {
    .modal-inner-container {
        flex-direction: column;
        max-width: none;
        max-height: calc(100dvh - 30px);
    }

    .modal-left-pane {
        flex-shrink: 0;
        width: 100%;
        height: auto;
        min-height: min-content;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .modal-img-wrapper {
        flex: none;
        height: max-content;
        min-height: max-content;
        max-height: max-content;
    }

    .modal-main-img {
        max-height: 25dvh;
    }

    #nftModalInfo {
        flex: 1 1 0%;
        width: 100%;
        min-height: 0;
    }
}

@media (max-width: 768px) {
    .theme-toggle-btn {
        top: clamp(13px, calc(4.83vw - 5.1px), 32px);
        right: clamp(13px, calc(4.83vw - 5.1px), 32px);
    }

    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        padding: clamp(24px, calc(2.04vw + 16.4px), 32px) clamp(13px, calc(4.83vw - 5.1px), 32px);
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .mobile-only {
        display: inline-flex !important;
        align-items: center;
    }

    .gallery-content {
        padding: clamp(24px, calc(2.04vw + 16.4px), 32px) clamp(13px, calc(4.83vw - 5.1px), 32px);
    }

    .nft-placeholder {
        display: flex;
    }

    .gallery-footer {
        margin-top: clamp(20px, calc(2.04vw + 12.4px), 28px);
    }

    #empty-state-guide {
        display: none !important;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .collection-name {
        font-size: clamp(18px, calc(1.05vw + 13px), 21px);
    }

    .collection-desc {
        font-size: clamp(13px, calc(0.7vw + 9.6px), 15px);
    }

    .search-panel {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: stretch;
    }
}

@media (max-height: 480px) and (orientation: landscape) {
    .modal-pane-header {
        padding: clamp(16px, calc(5.71dvh - 5.4px), 22px) clamp(16px, calc(22.86dvh - 69.7px), 40px);
    }

    .modal-title-text {
        font-size: clamp(20px, calc(3.81dvh + 5.7px), 24px);
    }

    .modal-img-wrapper {
        padding: clamp(16px, calc(5.71dvh - 5.4px), 22px) clamp(16px, calc(22.86dvh - 69.7px), 40px);
    }

    #nftModalInfo {
        padding: clamp(16px, calc(5.71vh - 5.4px), 22px) clamp(16px, calc(15.24dvh - 41.1px), 32px);
    }
}

@media (max-width: 480px) {
    .theme-toggle-btn {
        top: auto;
        bottom: clamp(13px, calc(4.83vw - 5.1px), 32px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}