/* */

/* --- 1. SETUP & VARIABLES --- */
:root {
    --bg-color: #050505; --glass-bg: rgba(255, 255, 255, 0.03); 
    --glass-border: rgba(255, 255, 255, 0.08); --text-main: #ffffff;
    --text-muted: #888888; --accent: #d4af37; --accent-glow: rgba(212, 175, 55, 0.15);
    --input-bg: rgba(255, 255, 255, 0.05); --error: #ff5f5f; --success: #4caf50;
    --rare-gold: #ffd700; --rare-glow: rgba(255, 215, 0, 0.6);
    --font-heading: 'Playfair Display', serif; --font-body: 'Inter', sans-serif;
}
[data-theme="light"] {
    --bg-color: #f8f8f8; --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.05); --text-main: #1a1a1a;
    --text-muted: #666666; --accent: #b89626; --input-bg: #f0f0f0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-body); background-color: var(--bg-color); color: var(--text-main);
    min-height: 100vh; display: flex; justify-content: center; align-items: center;
    transition: background-color 0.8s ease; overflow: hidden; 
}

/* --- GLASS PANEL --- */
.glass-panel {
    width: 100%; max-width: 440px; height: 85vh; max-height: 800px;
    background: var(--glass-bg); backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border); border-radius: 30px; padding: 40px 30px;
    display: flex; flex-direction: column; position: relative; z-index: 10;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3); overflow-y: auto;
}
.glass-panel::-webkit-scrollbar { width: 0px; }

h1 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 500; letter-spacing: 2px; text-align: center; background: linear-gradient(45deg, var(--text-main), var(--text-muted)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 5px; }
.subtitle { text-align: center; color: var(--text-muted); font-size: 0.75rem; letter-spacing: 4px; text-transform: uppercase; margin-bottom: 30px; }

/* --- UI COMPONENTS --- */
.input-wrapper { position: relative; margin-bottom: 20px; }
input, textarea { width: 100%; background: var(--input-bg); border: 1px solid transparent; border-radius: 12px; padding: 16px; color: var(--text-main); font-family: var(--font-body); font-size: 0.95rem; transition: 0.3s; resize: none; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); background: transparent; box-shadow: 0 0 15px var(--accent-glow); }
.toggle-pass { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--text-muted); cursor: pointer; transition: 0.2s; }
.toggle-pass:hover { color: var(--accent); }

.btn { padding: 14px; border-radius: 12px; font-size: 0.9rem; font-weight: 500; cursor: pointer; transition: all 0.3s ease; border: none; letter-spacing: 0.5px; width: 100%; }
.btn.primary { background: var(--text-main); color: var(--bg-color); margin-bottom: 10px; }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(255,255,255,0.1); }
.btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: transparent; border: 1px solid var(--glass-border); color: var(--text-muted); }
.btn.secondary:hover { border-color: var(--text-main); color: var(--text-main); }
.auth-header { text-align: center; margin-bottom: 20px; font-weight: 400; color: var(--text-main); }
.auth-switch { text-align: center; margin-top: 20px; font-size: 0.85rem; color: var(--text-muted); }
.auth-switch span { color: var(--accent); cursor: pointer; font-weight: 600; text-decoration: none; transition: 0.2s; }

.status-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; padding-bottom: 15px; border-bottom: 1px solid var(--glass-border); }
.label { font-size: 0.7rem; color: var(--text-muted); display: block;}
.highlight-text { font-family: var(--font-heading); font-size: 1.1rem; }
.credits-badge { color: var(--accent); font-weight: 600; font-size: 0.9rem; }
.nav-tabs { display: flex; justify-content: center; gap: 20px; margin-bottom: 30px; }
.tab-btn { background: none; border: none; color: var(--text-muted); font-size: 0.9rem; cursor: pointer; padding-bottom: 5px; transition: 0.3s; }
.tab-btn.active { color: var(--accent); border-bottom: 1px solid var(--accent); }
.prompt { font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 15px; text-align: center; }
.timer-area { text-align: center; margin: 15px 0; color: var(--error); font-size: 0.85rem; background: rgba(255, 95, 95, 0.1); padding: 10px; border-radius: 8px; }

/* Shop Grid */
.grid-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.item-card { background: var(--input-bg); border-radius: 16px; padding: 20px; text-align: center; border: 1px solid transparent; transition: 0.3s; position: relative; overflow: hidden;}
.item-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.item-icon { font-size: 2rem; display: block; margin-bottom: 10px; }
.item-name { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 5px; }
.item-price { font-size: 0.9rem; color: var(--accent); font-weight: 600; display: block; margin-bottom: 10px; }
.btn-buy { width: 100%; padding: 8px; font-size: 0.75rem; border-radius: 8px; background: transparent; border: 1px solid var(--glass-border); color: var(--text-main); cursor: pointer; }
.btn-buy:hover { background: var(--text-main); color: var(--bg-color); }
.btn-buy:disabled { opacity: 0.3; cursor: default; background: transparent; color: var(--text-main); }

/* --- UNIQUE STYLE FOR RESET TIMER CARD IN SHOP --- */
.item-card.special {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.15), rgba(0,0,0,0.2));
    border: 1px solid #9333ea;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.15);
}
.item-card.special .item-icon { animation: spinSlow 10s linear infinite; }
.item-card.special .item-name { color: #d8b4fe; font-weight: bold; }
@keyframes spinSlow { 100% { transform: rotate(360deg); } }


/* - FIX: BULLETPROOF CENTERING */

/* --- MODALS OVERLAY (Flexbox Fix) --- */
.modal-overlay { 
    position: fixed; 
    inset: 0; /* Force full screen coverage (top/left/right/bottom: 0) */
    background: rgba(0, 0, 0, 0.95); 
    z-index: 9999; 
    
    /* FLEXBOX CENTERING - MOST STABLE METHOD */
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 20px; /* Safety gap for mobile screens */
    
    opacity: 0; 
    visibility: hidden; 
    transition: 0.3s; 
    pointer-events: none; 
}

.modal-overlay:not(.hidden) { 
    opacity: 1; 
    visibility: visible; 
    pointer-events: auto; 
}


/* - FIX: CARD POSITIONING */

/* --- CELESTIAL CARD SYSTEM --- */
.card-scene { 
    /* Reset Positioning */
    position: relative; 
    top: auto; left: auto; transform: none; 
    
    /* Dimensions */
    width: 300px; 
    height: 460px;
    perspective: 1500px;
    
    /* Fail-safe Centering */
    margin: auto; 
    
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    z-index: 50;
}

.magic-card {
    width: 100%; 
    height: 100%; 
    position: relative; 
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
    cursor: pointer;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    /* Default: Show Back (180deg) */
    transform: rotateY(180deg);
}

.magic-card.flipped { transform: rotateY(0deg); }

/* Hover Effects */
.magic-card:hover { transform: rotateY(180deg) translateY(-10px) scale(1.02); }
.magic-card.flipped:hover { transform: rotateY(0deg) translateY(-10px) scale(1.02); }

.card-face {
    position: absolute; 
    width: 100%; 
    height: 100%;
    backface-visibility: hidden; 
    -webkit-backface-visibility: hidden;
    border-radius: 24px; 
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1); 
}

/* --- FRONT FACE (Quote - Solid Black + Watermark) --- */
.card-front {
    background: #0a0a0a; /* Solid Matte */
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    padding: 30px;
    transform: rotateY(0deg); z-index: 2;
    overflow: hidden; /* Clip watermark */
    border: 1px solid #222;
}

/* Star Watermark */
.card-front::before {
    content: '✦'; position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-size: 15rem; color: rgba(255, 255, 255, 0.03); 
    pointer-events: none; z-index: 0;
}

.card-content { text-align: center; width: 100%; position: relative; z-index: 5; }
.card-quote { 
    font-family: var(--font-heading); font-style: italic; font-size: 1.4rem; 
    line-height: 1.6; color: #fff; margin: 0; font-weight: 400;
}
.card-reward { 
    margin-top: 30px; padding-top: 15px; 
    border-top: 1px solid #222; color: var(--accent); 
    font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase;
}

/* --- BACK FACE (Cover - Spinning Nebula Line) --- */
.card-back {
    background: #000;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    transform: rotateY(180deg); z-index: 1;
    position: relative; overflow: hidden; 
}

/* The Spinning Gradient Line */
.card-back::before {
    content: ''; position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 250%; height: 250%; 
    background: conic-gradient(from 0deg, transparent 0deg, transparent 40deg, #4c1d95 100deg, #2563eb 120deg, #06b6d4 140deg, transparent 180deg);
    animation: spinLine 6s linear infinite; z-index: 0;
}

/* Inner Mask */
.card-back::after {
    content: ''; position: absolute; inset: 3px;
    background: #080808; border-radius: 22px; z-index: 0;
}

.card-design { 
    position: relative; z-index: 2;
    text-align: center; color: #fff; 
    display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.card-logo { 
    font-size: 3rem; color: #fff;
    filter: drop-shadow(0 0 20px rgba(255,255,255,0.2));
    animation: floatIcon 3s ease-in-out infinite;
}
.card-design span {
    font-family: var(--font-heading); letter-spacing: 6px; font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6); text-transform: uppercase;
}

/* --- RARE VARIANT --- */
.magic-card.rare .card-back { box-shadow: 0 0 50px rgba(255, 215, 0, 0.2); }
.magic-card.rare .card-back::before {
    background: conic-gradient(from 0deg, transparent 0deg, transparent 40deg, #b45309 100deg, #ffd700 130deg, #f70000 150deg, transparent 180deg);
    animation: spinLine 2.5s linear infinite;
}
.magic-card.rare .card-back::after { background: #0f0c05; }
.magic-card.rare .card-logo { color: #ffd700; filter: drop-shadow(0 0 25px rgba(255, 215, 0, 0.6)); }

@keyframes spinLine { 0% { transform: translate(-50%, -50%) rotate(0deg); } 100% { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes floatIcon { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* --- ITEM REVEAL (GOD RAYS) --- */
#item-reveal-scene {
    /* No absolute centering needed here if parent uses grid, 
       BUT we keep it mostly reset just in case */
    position: relative; width: 340px; height: 440px; 
    overflow: visible !important; z-index: 10;
    --glow-color: #ffd700;
}
.light-fx-container { position: absolute; top: 50%; left: 50%; width: 0; height: 0; z-index: 0; display: flex; justify-content: center; align-items: center; }

.god-rays {
    position: absolute; width: 350px; height: 300px;
    background: repeating-conic-gradient(from 0deg, rgba(255,255,255,0) 0deg, rgba(255,255,255,0) 5deg, var(--glow-color) 10deg, rgba(255,255,255,0) 15deg);
    opacity: 0.3; animation: rotateRays 20s linear infinite;
    mask-image: radial-gradient(circle, black 30%, transparent 70%); -webkit-mask-image: radial-gradient(circle, black 30%, transparent 70%);
}
.glow-core {
    position: absolute; width: 250px; height: 250px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%); opacity: 0.25;
    animation: pulseGlow 2s ease-in-out infinite; filter: blur(20px);
}

.item-reveal-content {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 100%; z-index: 2; text-align: center;
    animation: itemPopUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.reveal-icon { font-size: 6rem; margin-bottom: 20px; filter: drop-shadow(0 0 25px var(--glow-color)); display: block; }
.reveal-name { font-family: var(--font-heading); font-size: 2rem; color: var(--text-main); text-shadow: 0 0 10px var(--glow-color); margin-bottom: 5px; }
.reveal-sub { font-size: 0.9rem; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 25px; }

.btn-minimal {
    background: rgba(0, 0, 0, 0.6); border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff; padding: 8px 24px; border-radius: 50px;
    font-family: var(--font-body); font-size: 0.8rem; cursor: pointer;
    transition: all 0.3s ease; text-transform: uppercase; letter-spacing: 1px;
}
.btn-minimal:hover {
    background: var(--glow-color); border-color: var(--glow-color); color: #000;
    box-shadow: 0 0 15px var(--glow-color); transform: scale(1.05);
}

@keyframes rotateRays { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulseGlow { 0%, 100% { transform: scale(1); opacity: 0.6; } 50% { transform: scale(1.2); opacity: 0.8; } }
@keyframes itemPopUp { 0% { transform: scale(0) translate(-50%, -50%); opacity: 0; } 100% { transform: scale(1) translate(-50%, -50%); opacity: 1; } }

/* --- CARD COLLECTION (Inventory) --- */
.section-title { width: 100%; font-family: var(--font-heading); color: var(--text-muted); font-size: 0.9rem; margin-bottom: 15px; border-bottom: 1px solid var(--glass-border); padding-bottom: 5px; grid-column: 1 / -1; }
.item-card.mini-card { display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 15px; background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(0,0,0,0.2)); cursor: pointer; min-height: 120px; }
.mini-card-icon { font-size: 1.5rem; margin-bottom: 8px; opacity: 0.8; }
.mini-card-text { font-size: 0.7rem; color: var(--text-main); font-style: italic; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; margin-bottom: 8px; }
.mini-card-date { font-size: 0.6rem; color: var(--text-muted); margin-top: auto; }
.item-card.mini-card.rare-border { border: 1px solid var(--rare-gold); box-shadow: 0 0 10px rgba(255, 215, 0, 0.1); }
.item-card.mini-card.rare-border .mini-card-icon { text-shadow: 0 0 10px var(--rare-gold); }
#inventory-container { display: flex; flex-direction: column; }

/* --- UTILS --- */
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

#theme-toggle { position: fixed; top: 20px; right: 20px; background: none; border: none; font-size: 1.2rem; cursor: pointer; opacity: 0.5; transition: 0.3s; z-index: 100; }
#theme-toggle:hover { opacity: 1; transform: rotate(15deg); }
.btn.text-only { background: none; color: var(--text-muted); font-size: 0.8rem; margin-top: 20px; width: 100%; text-align: center; }
.btn.text-only:hover { color: var(--error); }
#snow-container { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }
.snowflake { position: absolute; background: white; border-radius: 50%; opacity: 0.8; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110vh); } }
#toast-container { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 10000; display: flex; flex-direction: column; gap: 10px; width: max-content; }
.toast { background: #111; color: #fff; border: 1px solid #333; padding: 12px 24px; border-radius: 50px; font-size: 0.85rem; box-shadow: 0 10px 30px rgba(0,0,0,0.5); display: flex; align-items: center; gap: 10px; animation: fadeIn 0.3s forwards; }
.toast.success i { color: var(--success); } .toast.error i { color: var(--error); }

/* */

/* --- BOTTOM SCREEN CREDIT --- */
.screen-credit {
    position: fixed;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.4; /* Subtle and not distracting */
    letter-spacing: 1px;
    
    pointer-events: none; /* Allows clicking through it */
    z-index: 5; /* Visible but behind modals */
}