/* ========== Reset & Base ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0a0f;
    --bg-card: #14141f;
    --neon-pink: #ff2d78;
    --neon-cyan: #00e5ff;
    --neon-purple: #b44dff;
    --neon-gold: #ffd700;
    --neon-rainbow-1: #ff2d78;
    --neon-rainbow-2: #ffd700;
    --neon-rainbow-3: #00e5ff;
    --text-primary: #ffffff;
    --text-secondary: #8888aa;
    --border-silver: #c0c0c0;
    --border-gold: #ffd700;
}

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

/* ========== Screen Flash ========== */
.screen-flash {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
}

.screen-flash.active {
    animation: flashBang 0.6s ease-out;
}

@keyframes flashBang {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* ========== Confetti Canvas ========== */
#confetti-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9998;
}

/* ========== Container ========== */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
    position: relative;
}

/* ========== Header ========== */
.header {
    text-align: center;
    padding: 24px 0 8px;
}

.logo {
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: 2px;
    line-height: 1;
}

.logo-muscle {
    color: var(--neon-cyan);
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.5), 0 0 40px rgba(0, 229, 255, 0.3);
}

.logo-love {
    color: var(--neon-pink);
    text-shadow: 0 0 20px rgba(255, 45, 120, 0.5), 0 0 40px rgba(255, 45, 120, 0.3);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--neon-purple);
    letter-spacing: 12px;
    margin-top: 8px;
    text-shadow: 0 0 10px rgba(180, 77, 255, 0.5);
}

.subtitle-en {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    margin-top: 4px;
    opacity: 0.7;
}

/* ========== Pull Counter ========== */
.pull-counter {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 12px 0;
}

.pull-counter span#pull-count {
    color: var(--neon-cyan);
    font-weight: bold;
    font-size: 1.3rem;
}

.pull-counter-en {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-top: 2px;
}

.pull-counter-en span {
    color: var(--neon-cyan);
    font-weight: bold;
    font-size: 0.85rem;
}

/* ========== Gacha Machine ========== */
.gacha-machine {
    display: flex;
    justify-content: center;
    margin: 16px 0;
}

.machine-frame {
    width: 280px;
    background: linear-gradient(145deg, #1a1a2e, #0f0f1a);
    border: 3px solid #2a2a4a;
    border-radius: 20px;
    padding: 16px;
    position: relative;
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.1), inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.rarity-label {
    text-align: center;
    font-size: 2rem;
    font-weight: 900;
    height: 48px;
    line-height: 48px;
    letter-spacing: 4px;
    opacity: 0;
    transition: opacity 0.3s;
}

.rarity-label.show {
    opacity: 1;
}

.rarity-label.ssr {
    background: linear-gradient(90deg, #ff2d78, #ffd700, #00e5ff, #b44dff, #ff2d78);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowShift 1s linear infinite;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8));
}

.rarity-label.sr {
    color: var(--neon-gold);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.8), 0 0 40px rgba(255, 215, 0, 0.4);
}

.rarity-label.r {
    color: var(--border-silver);
    text-shadow: 0 0 10px rgba(192, 192, 192, 0.5);
}

.rarity-label.n {
    color: var(--text-secondary);
}

@keyframes rainbowShift {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.slot-window {
    width: 100%;
    height: 240px;
    overflow: hidden;
    border-radius: 12px;
    background: #000;
    position: relative;
    border: 2px solid #333;
}

.slot-window::before,
.slot-window::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 40px;
    z-index: 2;
    pointer-events: none;
}

.slot-window::before {
    top: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
}

.slot-window::after {
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.slot-reel {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: none;
    will-change: transform;
}

.slot-reel img {
    width: 200px;
    height: 240px;
    object-fit: cover;
    flex-shrink: 0;
    border-radius: 8px;
}

.machine-base {
    height: 8px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
    border-radius: 0 0 12px 12px;
    margin-top: 12px;
    opacity: 0.6;
}

/* ========== Result Area ========== */
.result-area {
    margin: 16px 0;
    display: flex;
    justify-content: center;
}

.result-card {
    text-align: center;
    animation: resultPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes resultPop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.result-image-wrapper {
    width: 240px;
    height: 280px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.result-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-image-wrapper.border-ssr {
    border: 4px solid transparent;
    background-image: linear-gradient(#000, #000), linear-gradient(90deg, #ff2d78, #ffd700, #00e5ff, #b44dff, #ff2d78);
    background-origin: border-box;
    background-clip: content-box, border-box;
    animation: rainbowBorder 2s linear infinite;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.6), 0 0 60px rgba(255, 45, 120, 0.3);
}

@keyframes rainbowBorder {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.result-image-wrapper.border-sr {
    border: 4px solid var(--neon-gold);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5), 0 0 40px rgba(255, 215, 0, 0.2);
}

.result-image-wrapper.border-sr::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 215, 0, 0.15) 50%, transparent 60%);
    animation: sparkleShine 2s ease-in-out infinite;
}

@keyframes sparkleShine {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-image-wrapper.border-r {
    border: 3px solid var(--border-silver);
    box-shadow: 0 0 10px rgba(192, 192, 192, 0.3);
}

.result-image-wrapper.border-n {
    border: 2px solid #444;
}

.result-info {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-rarity {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 3px;
}

.result-rarity.ssr {
    background: linear-gradient(90deg, #ff2d78, #ffd700, #00e5ff, #b44dff);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowShift 1s linear infinite;
}

.result-rarity.sr {
    color: var(--neon-gold);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.result-rarity.r {
    color: var(--border-silver);
}

.result-rarity.n {
    color: var(--text-secondary);
}

.result-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ========== Buttons ========== */
.gacha-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 320px;
    margin: 20px auto;
    padding: 18px 32px;
    font-size: 1.4rem;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    border: none;
    border-radius: 60px;
    cursor: pointer;
    letter-spacing: 2px;
    box-shadow: 0 0 30px rgba(255, 45, 120, 0.4), 0 4px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.15s, box-shadow 0.15s;
    position: relative;
    overflow: hidden;
}

.gacha-btn::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
    animation: btnShine 3s ease-in-out infinite;
}

@keyframes btnShine {
    0%, 100% { transform: translateX(-100%) rotate(45deg); }
    50% { transform: translateX(100%) rotate(45deg); }
}

.gacha-btn:active {
    transform: scale(0.95);
    box-shadow: 0 0 15px rgba(255, 45, 120, 0.3), 0 2px 10px rgba(0, 0, 0, 0.5);
}

.gacha-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.gacha-btn .btn-icon {
    font-size: 1.6rem;
}

.btn-text-en {
    font-size: 0.85rem;
    opacity: 0.75;
    font-weight: 700;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 320px;
    margin: 8px auto 16px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: #000;
    border: 2px solid #333;
    border-radius: 60px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: background 0.2s, border-color 0.2s;
}

.share-btn:active {
    background: #1a1a1a;
    border-color: #555;
}

.share-btn-en {
    font-size: 0.8rem;
    opacity: 0.7;
    font-weight: 500;
}

/* ========== Collection ========== */
.collection-section {
    margin: 32px 0 24px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-align: center;
    margin-bottom: 16px;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.section-title span {
    color: var(--neon-pink);
}

.section-title-en {
    font-size: 0.85rem;
    color: var(--text-secondary) !important;
    opacity: 0.7;
    font-weight: 500;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.collection-item {
    aspect-ratio: 3/4;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    background: #1a1a2e;
    border: 2px solid #2a2a4a;
}

.collection-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.collection-item.locked {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.3s;
}

.collection-item.locked:active {
    border-color: var(--neon-pink);
}

.collection-item.locked .lock-icon {
    font-size: 1.8rem;
    margin-bottom: 4px;
}

.collection-item.locked .lock-text {
    font-size: 0.55rem;
    color: var(--neon-pink);
    text-align: center;
    line-height: 1.3;
    font-weight: 700;
}

.collection-item.locked .lock-text-en {
    font-size: 0.4rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
    font-weight: 500;
    margin-top: 2px;
    opacity: 0.7;
}

.collection-item.unlocked {
    border-color: #444;
}

.collection-item.not-collected {
    display: flex;
    align-items: center;
    justify-content: center;
}

.collection-item.not-collected .question-mark {
    font-size: 2rem;
    color: #333;
    font-weight: 900;
}

.collection-item .rarity-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 0.55rem;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.7);
}

.rarity-badge.ssr {
    background: linear-gradient(90deg, #ff2d78, #ffd700);
    color: #fff;
}

.rarity-badge.sr {
    background: rgba(255, 215, 0, 0.8);
    color: #000;
}

.rarity-badge.r {
    background: rgba(192, 192, 192, 0.6);
    color: #000;
}

.rarity-badge.n {
    background: rgba(100, 100, 100, 0.6);
    color: #fff;
}

/* ========== Patreon CTA ========== */
.patreon-cta {
    text-align: center;
    margin: 32px 0;
    padding: 24px 16px;
    background: linear-gradient(145deg, #1a1020, #0f0a18);
    border: 2px solid #3a2050;
    border-radius: 20px;
}

.cta-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--neon-pink);
    margin-bottom: 16px;
}

.patreon-btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 1.1rem;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg, #ff424d, #f96854);
    border-radius: 60px;
    text-decoration: none;
    letter-spacing: 1px;
    box-shadow: 0 0 20px rgba(249, 104, 84, 0.4);
    transition: transform 0.15s;
}

.patreon-btn:active {
    transform: scale(0.95);
}

.cta-text-en {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-bottom: 12px;
}

.patreon-btn-en {
    font-size: 0.75rem;
    opacity: 0.8;
    font-weight: 500;
}

.cta-sub {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.cta-sub-en {
    margin-top: 4px;
    font-size: 0.65rem;
    color: var(--text-secondary);
    opacity: 0.6;
}

/* ========== Footer ========== */
.footer {
    text-align: center;
    padding: 24px 0;
    color: #444;
    font-size: 0.75rem;
}

/* ========== Sparkle particles for SR ========== */
.sparkle-particle {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--neon-gold);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9997;
    animation: sparkleFloat 1s ease-out forwards;
}

@keyframes sparkleFloat {
    0% { opacity: 1; transform: scale(1) translateY(0); }
    100% { opacity: 0; transform: scale(0) translateY(-40px); }
}

/* ========== SSR dramatic text ========== */
.ssr-dramatic {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 900;
    color: #ffd700;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.8), 0 0 60px rgba(255, 45, 120, 0.5);
    z-index: 10000;
    pointer-events: none;
    animation: dramaticReveal 1.5s ease-out forwards;
    letter-spacing: 6px;
    white-space: nowrap;
}

.ssr-dramatic-en {
    display: block;
    font-size: 1.4rem;
    color: rgba(255, 215, 0, 0.7);
    letter-spacing: 3px;
    margin-top: 4px;
    text-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

@keyframes dramaticReveal {
    0% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
    20% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    70% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

/* ========== Responsive ========== */
@media (max-width: 360px) {
    .container { padding: 12px; }
    .logo { font-size: 2rem; }
    .subtitle { font-size: 0.9rem; letter-spacing: 8px; }
    .subtitle-en { font-size: 0.65rem; }
    .gacha-btn { font-size: 1.2rem; padding: 14px 24px; }
    .btn-text-en { font-size: 0.7rem; }
    .machine-frame { width: 240px; }
    .slot-reel img { width: 170px; height: 200px; }
    .slot-window { height: 200px; }
    .collection-grid { grid-template-columns: repeat(3, 1fr); }
    .ssr-dramatic-en { font-size: 1rem; }
}