/**
 * Case Opening System - CSS Styles
 * Based on CASE_OPENING_SPEC.md
 * Inspired by: Bloxflip, CSGORoll, CSGOEmpire
 */

/* =====================================================
   CSS Custom Properties for Animations
   ===================================================== */
@property --border-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

@property --glow-opacity {
    syntax: '<number>';
    initial-value: 0.5;
    inherits: false;
}

:root {
    /* Colors */
    --case-bg-primary: #0f0f23;
    --case-bg-secondary: #1a1a2e;
    --case-bg-card: #16213e;
    --case-border: rgba(99, 102, 241, 0.3);
    --case-text: #ffffff;
    --case-text-muted: #a0aec0;

    /* Rarity Colors */
    --rarity-common: #9ca3af;
    --rarity-uncommon: #22c55e;
    --rarity-rare: #3b82f6;
    --rarity-epic: #8b5cf6;
    --rarity-legendary: #f59e0b;
    --rarity-mythic: #ef4444;

    /* Animation */
    --border-speed: 4s;
    --glow-speed: 2s;

    /* Sizing */
    --case-item-size: 120px;
    --case-item-gap: 12px;
    --slider-height: 160px;
}

/* =====================================================
   Case Opening Page Layout
   ===================================================== */
.case-opening-page {
    min-height: 100vh;
    background: var(--case-bg-primary);
    padding: 2rem;
}

.case-opening-container {
    max-width: 1400px;
    margin: 0 auto;
}

/* =====================================================
   Free Spin Banner (Special Case - Homepage)
   ===================================================== */
@keyframes freeSpinPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(34, 197, 94, 0.5);
        border-color: #22c55e;
    }

    50% {
        box-shadow: 0 0 40px rgba(34, 197, 94, 0.8);
        border-color: #4ade80;
    }
}

@keyframes freeSpinGlow {

    0%,
    100% {
        text-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
    }

    50% {
        text-shadow: 0 0 30px rgba(34, 197, 94, 0.9);
    }
}

.free-spin-section {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.05));
    border: 2px solid #22c55e;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    animation: freeSpinPulse 2s ease-in-out infinite;
}

.free-spin-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.free-spin-header h2 {
    font-size: 1.75rem;
    color: #4ade80;
    animation: freeSpinGlow 2s ease-in-out infinite;
    margin: 0;
}

.free-spin-header .emoji {
    font-size: 2rem;
}

.free-spin-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.free-spin-case-image {
    width: 180px;
    height: 180px;
    border-radius: 16px;
    overflow: hidden;
    border: 3px solid rgba(34, 197, 94, 0.5);
    flex-shrink: 0;
}

.free-spin-case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    padding: 8px;
}

.free-spin-info {
    flex: 1;
    min-width: 300px;
}

.free-spin-status {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--case-text);
}

.free-spin-status.available {
    color: #4ade80;
}

.free-spin-status.used {
    color: #f59e0b;
}

.free-spin-price {
    color: var(--case-text-muted);
    margin-bottom: 1.5rem;
}

.free-spin-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =====================================================
   Case Cards Grid
   ===================================================== */
.cases-section {
    margin-top: 3rem;
}

.cases-section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cases-section-header h2 {
    font-size: 1.5rem;
    color: var(--case-text);
    margin: 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* =====================================================
   Case Card with Conic Gradient Border
   ===================================================== */
@keyframes borderRotate {
    0% {
        --border-angle: 0deg;
    }

    100% {
        --border-angle: 360deg;
    }
}

@keyframes glowPulse {

    0%,
    100% {
        --glow-opacity: 0.4;
    }

    50% {
        --glow-opacity: 0.8;
    }
}

@keyframes subtleShake {

    0%,
    100% {
        transform: scale(1.08) rotate(0deg);
    }

    20% {
        transform: scale(1.08) rotate(-2deg);
    }

    40% {
        transform: scale(1.08) rotate(2deg);
    }

    60% {
        transform: scale(1.08) rotate(-2deg);
    }

    80% {
        transform: scale(1.08) rotate(2deg);
    }
}

.case-card {
    position: relative;
    background: var(--case-bg-card);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Conic Gradient Border */
    border: 3px solid transparent;
    background-image:
        linear-gradient(var(--case-bg-card), var(--case-bg-card)),
        conic-gradient(from var(--border-angle),
            rgba(99, 102, 241, 0.1),
            rgba(99, 102, 241, 1) 0.1turn,
            rgba(139, 92, 246, 1) 0.15turn,
            rgba(236, 72, 153, 1) 0.2turn,
            rgba(99, 102, 241, 0.1) 0.25turn);
    background-origin: border-box;
    background-clip: padding-box, border-box;

    animation:
        borderRotate var(--border-speed) linear infinite,
        glowPulse var(--glow-speed) ease-in-out infinite;

    box-shadow:
        0 0 20px rgba(99, 102, 241, var(--glow-opacity)),
        0 0 40px rgba(99, 102, 241, calc(var(--glow-opacity) * 0.5)),
        inset 0 0 20px rgba(99, 102, 241, 0.05);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 15px 40px rgba(99, 102, 241, 0.4),
        0 0 60px rgba(99, 102, 241, 0.3);
}

.case-card-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    padding: 10px;
    transition: transform 0.5s ease;
}

.case-card:hover .case-card-image img {
    animation: subtleShake 0.8s ease-in-out;
}

.case-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover .case-card-overlay {
    opacity: 1;
}

.case-card-overlay-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.case-card:hover .case-card-overlay-btn {
    transform: scale(1);
}

.case-card-info {
    padding: 1.25rem;
}

.case-card-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--case-text);
    margin-bottom: 0.5rem;
}

.case-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.case-card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #f59e0b;
}

.case-card-items-count {
    font-size: 0.875rem;
    color: var(--case-text-muted);
}

/* =====================================================
   Case Opening Game Area
   ===================================================== */
.case-game {
    background: var(--case-bg-secondary);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.case-game-header {
    text-align: center;
    margin-bottom: 2rem;
}

.case-game-title {
    font-size: 2rem;
    color: var(--case-text);
    margin-bottom: 0.5rem;
}

.case-game-price {
    font-size: 1.25rem;
    color: #f59e0b;
}

/* =====================================================
   Slider Container
   ===================================================== */
.case-slider-wrapper {
    position: relative;
    margin-bottom: 2rem;
}

.case-slider-arrow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 20px solid #f59e0b;
    z-index: 10;
    filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.8));
}

.case-slider-container {
    position: relative;
    height: var(--slider-height);
    overflow: hidden;
    overflow-x: clip;
    border-radius: 12px;
    background: var(--case-bg-primary);
    border: 2px solid var(--case-border);
    display: flex;
    align-items: center;
}

/* Center highlight line */
.case-slider-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #f59e0b, transparent, #f59e0b);
    z-index: 5;
    opacity: 0.5;
}

.case-slider {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    /* gap removed - using margin-right on items instead for consistent calculation */
    padding: 20px;
    transition: transform 0.1s linear;
    will-change: transform;
    min-width: max-content;
    transform: translateX(0) translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    perspective: 1000px;
}

.case-slider.spinning {
    transition: transform 5s cubic-bezier(0.25, 0.1, 0.1, 1) !important;
}

.case-slider.spinning.fast {
    transition: transform 3s cubic-bezier(0.25, 0.1, 0.1, 1) !important;
}

.case-slider.spinning.instant {
    transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.1, 1) !important;
}

/* =====================================================
   Case Items in Slider
   ===================================================== */
@keyframes itemBorderRotate {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes itemGlowPulse {

    0%,
    100% {
        box-shadow: 0 0 15px var(--item-color);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 30px var(--item-color);
        transform: scale(1.02);
    }
}

@keyframes winnerShake {

    0%,
    100% {
        transform: scale(1.3) rotate(0deg);
    }

    25% {
        transform: scale(1.35) rotate(-3deg);
    }

    75% {
        transform: scale(1.35) rotate(3deg);
    }
}

.case-item {
    flex-shrink: 0;
    width: var(--case-item-size);
    height: var(--case-item-size);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;

    /* Default styling */
    background: var(--case-bg-card);
    border: 2px solid var(--item-color, var(--rarity-common));

    /* Slightly dim non-center items */
    opacity: 0.85;
}

.case-item.center {
    transform: scale(1.3);
    filter: blur(0);
    opacity: 1;
    z-index: 5;
    animation: itemGlowPulse 1s ease-in-out infinite;
}

.case-item.near-center {
    filter: blur(0);
    opacity: 0.9;
}

.case-item.winner {
    animation: winnerShake 0.5s ease-in-out;
    box-shadow: 0 0 40px var(--item-color);
}

.case-item-image {
    width: 100%;
    height: 65%;
    object-fit: contain;
    object-position: center;
    padding: 5px;
    display: block;
    margin: 0 auto;
}

.case-item-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px;
    background: rgba(0, 0, 0, 0.8);
    font-size: 0.7rem;
    text-align: center;
    color: var(--case-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-item-rate {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--case-text-muted);
}

/* Rarity-based colors */
.case-item.rarity-common {
    --item-color: var(--rarity-common);
}

.case-item.rarity-uncommon {
    --item-color: var(--rarity-uncommon);
}

.case-item.rarity-rare {
    --item-color: var(--rarity-rare);
}

.case-item.rarity-epic {
    --item-color: var(--rarity-epic);
}

.case-item.rarity-legendary {
    --item-color: var(--rarity-legendary);
}

.case-item.rarity-mythic {
    --item-color: var(--rarity-mythic);
}

/* =====================================================
   Multi-Case Sliders (2-3 cases)
   ===================================================== */
.case-multi-sliders {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.case-multi-sliders .case-slider-wrapper {
    margin-bottom: 0;
}

/* =====================================================
   Game Controls
   ===================================================== */
.case-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    background: var(--case-bg-primary);
    border-radius: 12px;
    margin-top: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.control-label {
    font-size: 0.875rem;
    color: var(--case-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control-options {
    display: flex;
    gap: 0.5rem;
}

.control-btn {
    padding: 0.5rem 1rem;
    background: var(--case-bg-secondary);
    border: 2px solid var(--case-border);
    border-radius: 8px;
    color: var(--case-text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn:hover {
    border-color: #6366f1;
}

.control-btn.active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-color: transparent;
}

/* =====================================================
   Unbox Button
   ===================================================== */
@keyframes unboxPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    }

    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.8);
    }
}

.btn-unbox {
    padding: 1rem 3rem;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    background-size: 200% 200%;
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: unboxPulse 2s ease-in-out infinite;
}

.btn-unbox:hover {
    transform: scale(1.05);
    background-position: 100% 0;
}

.btn-unbox:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    animation: none;
}

.btn-free-spin {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

/* Demo Spin Button */
.btn-demo-spin {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-demo-spin:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-demo-spin:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =====================================================
   View Items Button
   ===================================================== */
.btn-view-items {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--case-border);
    border-radius: 8px;
    color: var(--case-text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-view-items:hover {
    border-color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
}

/* =====================================================
   Items Preview Modal
   ===================================================== */
.items-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.items-modal.active {
    opacity: 1;
    visibility: visible;
}

.items-modal-content {
    background: var(--case-bg-secondary);
    border-radius: 20px;
    padding: 2rem;
    max-width: 800px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.items-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--case-bg-primary);
    border: none;
    color: var(--case-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.items-modal-close:hover {
    background: #ef4444;
}

.items-modal-title {
    font-size: 1.5rem;
    color: var(--case-text);
    margin-bottom: 1.5rem;
    text-align: center;
}

.items-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.item-preview-card {
    background: var(--case-bg-card);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    border: 2px solid var(--item-color, var(--case-border));
    transition: all 0.2s ease;
}

.item-preview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.item-preview-image {
    width: 100%;
    height: 90px;
    object-fit: contain;
    object-position: center;
    margin-bottom: 0.75rem;
    display: block;
}

.item-preview-name {
    font-size: 0.875rem;
    color: var(--case-text);
    margin-bottom: 0.25rem;
}

.item-preview-value {
    font-size: 0.75rem;
    color: var(--case-text-muted);
    margin-bottom: 0.25rem;
}

.item-preview-rate {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--item-color, #f59e0b);
}

/* =====================================================
   Win Result Popup
   ===================================================== */
@keyframes resultPopIn {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes confetti {
    0% {
        transform: translateY(-100vh) rotate(0deg);
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
    }
}

.win-popup {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 15px;
    overflow-y: auto;
}

.win-popup.active {
    opacity: 1;
    visibility: visible;
}

.win-popup-content {
    text-align: center;
    animation: resultPopIn 0.5s ease-out;
    max-width: 95vw;
    width: 100%;
    max-width: 450px;
}

.win-popup-title {
    font-size: 2rem;
    color: #f59e0b;
    margin-bottom: 1rem;
}

.win-item-display {
    width: 100%;
    max-width: 350px;
    min-height: 150px;
    margin: 0 auto 1rem;
    border-radius: 16px;
    border: 3px solid var(--item-color, #f59e0b);
    background: var(--case-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px var(--item-color, rgba(245, 158, 11, 0.4));
    animation: itemGlowPulse 1.5s ease-in-out infinite;
    overflow: hidden;
}

.win-item-display img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.win-item-name {
    font-size: 1.25rem;
    color: var(--case-text);
    margin-bottom: 0.5rem;
    padding: 0 10px;
}

.win-item-value {
    font-size: 1rem;
    color: #22c55e;
    margin-bottom: 1rem;
    padding: 0 10px;
    line-height: 1.4;
    word-wrap: break-word;
}

.win-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0 10px;
}

.btn-spin-again {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
}

.btn-close-win {
    padding: 0.75rem 2rem;
    background: transparent;
    border: 2px solid var(--case-border);
    border-radius: 8px;
    color: var(--case-text);
    cursor: pointer;
}

/* =====================================================
   Recent Wins Feed
   ===================================================== */
.recent-wins {
    background: var(--case-bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.recent-wins-title {
    font-size: 1.125rem;
    color: var(--case-text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recent-wins-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
}

.recent-win-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--case-bg-primary);
    border-radius: 8px;
    border-left: 3px solid var(--item-color, var(--rarity-common));
}

.recent-win-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--case-bg-card);
}

.recent-win-info {
    flex: 1;
}

.recent-win-user {
    font-weight: 600;
    color: var(--case-text);
}

.recent-win-text {
    font-size: 0.875rem;
    color: var(--case-text-muted);
}

.recent-win-time {
    font-size: 0.75rem;
    color: var(--case-text-muted);
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 768px) {
    .case-opening-page {
        padding: 1rem;
    }

    .free-spin-content {
        flex-direction: column;
        text-align: center;
    }

    .free-spin-case-image {
        width: 140px;
        height: 140px;
    }

    .free-spin-actions {
        justify-content: center;
    }

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

    .case-controls {
        flex-direction: column;
    }

    :root {
        --case-item-size: 90px;
        --case-item-gap: 8px;
        --slider-height: 130px;
    }

    .case-slider {
        padding: 15px 10px;
    }

    .case-item {
        min-width: var(--case-item-size);
        width: var(--case-item-size);
        height: var(--case-item-size);
    }

    .case-game-title {
        font-size: 1.5rem;
    }

    .btn-unbox {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    :root {
        --case-item-size: 70px;
        --slider-height: 110px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    /* Win Popup Mobile Styles */
    .win-popup-title {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }

    .win-item-display {
        max-width: 100%;
        min-height: auto;
        padding: 10px;
        border-width: 2px;
    }

    .win-item-name {
        font-size: 1.1rem;
    }

    .win-item-value {
        font-size: 0.85rem;
    }

    .win-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-spin-again,
    .btn-close-win {
        width: 100%;
        padding: 0.65rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Demo badge mobile */
    .win-demo-badge {
        font-size: 0.7rem !important;
        padding: 4px 10px !important;
    }

    .win-demo-notice {
        font-size: 0.75rem !important;
        padding: 8px !important;
        margin: 8px 0 !important;
    }
}