@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #09090b;
    --surface-color: rgba(23, 23, 33, 0.95);
    --primary-color: #d946ef;
    --accent-color: #2dd4bf;
    --danger-color: #ef4444;
    --gold-color: #f59e0b;
    --text-color: #f3f4f6;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --glow: 0 0 20px rgba(217, 70, 239, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow-x: hidden;
}

.background-container { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.3; animation: move 20s infinite alternate; }
.blob1 { width: 350px; height: 350px; background: var(--primary-color); top: -10%; left: -10%; }
.blob2 { width: 450px; height: 450px; background: var(--accent-color); bottom: -10%; right: -10%; animation-duration: 25s; }
.grid-overlay {
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px; opacity: 0.3;
}
@keyframes move { to { transform: translate(50px, 50px) rotate(20deg); } }

/* Top Bar */
.top-bar {
    position: absolute; top: 0; left: 0; width: 100%;
    padding: 20px 30px; display: flex; justify-content: space-between; align-items: flex-start;
    z-index: 100; pointer-events: none;
}
.top-left-group, .top-right-group {
    display: flex; flex-direction: column; gap: 10px; pointer-events: auto;
}
.home-btn, .lang-btn, .reset-btn {
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-color);
    color: var(--text-color); padding: 10px 16px; border-radius: 12px;
    font-weight: 600; cursor: pointer; text-decoration: none; transition: 0.3s;
    display: flex; align-items: center; gap: 8px; backdrop-filter: blur(5px);
    width: fit-content; font-size: 0.9em;
}
.reset-btn:hover { background: rgba(239, 68, 68, 0.15); border-color: var(--danger-color); color: #fca5a5; }
.home-btn:hover, .lang-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--primary-color); }
.lang-switcher { display: flex; gap: 5px; }
.lang-btn.active { background: var(--primary-color); border-color: var(--primary-color); color: #fff; }

/* Main Container */
.main-container {
    width: 100%; max-width: 1300px;
    margin-top: 110px; margin-bottom: 40px;
    background: var(--surface-color); border: 1px solid var(--border-color);
    border-radius: 24px; padding: 40px; backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

header { text-align: center; margin-bottom: 30px; }
.logo-area { display: flex; align-items: center; justify-content: center; gap: 15px; margin-bottom: 5px; }
.logo-icon { font-size: 2.2em; color: var(--primary-color); filter: drop-shadow(0 0 15px var(--primary-color)); }
header h1 { font-size: 2.2em; font-weight: 700; background: linear-gradient(135deg, #fff, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Tabs */
.tab-container {
    display: flex; background: rgba(0,0,0,0.4); border-radius: 16px; padding: 6px; margin-bottom: 25px;
}
.tab-btn {
    flex: 1; background: transparent; border: none; padding: 14px; color: var(--text-muted);
    font-weight: 600; font-family: inherit; cursor: pointer; border-radius: 12px; transition: 0.3s;
    display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 1rem;
}
.tab-btn.active { background: rgba(255,255,255,0.08); color: var(--text-color); box-shadow: 0 4px 15px rgba(0,0,0,0.2); }

/* Filtreler */
.controls-wrapper { overflow: hidden; transition: max-height 0.4s ease; }
.controls { background: rgba(0,0,0,0.25); padding: 30px; border-radius: 20px; border: 1px solid var(--border-color); margin-bottom: 30px; }
.filter-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 15px; }
.filter-group label { display: block; margin-bottom: 10px; font-size: 0.9em; font-weight: 600; color: var(--text-muted); display: flex; align-items: center; gap: 8px; }
.filter-group i { color: var(--accent-color); }
select {
    width: 100%; padding: 12px; background: var(--bg-color); border: 1px solid var(--border-color);
    color: var(--text-color); border-radius: 12px; font-family: inherit; cursor: pointer; outline: none; transition: 0.3s; font-size: 0.95em;
}
select:focus { border-color: var(--accent-color); }

.lock-controls { margin-top: 25px; display: flex; justify-content: center; }
.lock-btn {
    background: transparent; border: 1px solid var(--border-color); color: var(--text-muted);
    padding: 10px 24px; border-radius: 50px; cursor: pointer; display: flex; align-items: center; gap: 8px; font-weight: 600;
}
.lock-btn.locked { background: var(--accent-color); color: #000; border-color: var(--accent-color); }

/* Butonlar */
.main-actions { display: flex; gap: 15px; margin-bottom: 40px; height: 60px;}
.primary-action-btn {
    flex: 1; background: linear-gradient(90deg, var(--primary-color), #a21caf);
    color: white; border: none; border-radius: 16px;
    font-size: 1.2em; font-weight: 700; cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 12px;
    transition: 0.3s; box-shadow: var(--glow);
}
.primary-action-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(217, 70, 239, 0.5); }
.secondary-action-btn {
    width: 60px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-color);
    color: var(--text-muted); border-radius: 16px; cursor: pointer; font-size: 1.2em; transition: 0.3s;
}
.secondary-action-btn:hover { color: var(--danger-color); border-color: var(--danger-color); }

/* === SLOT MAKİNESİ (DÜZELTİLDİ) === */
#slot-machine-area.hidden { display: none; }
.slot-container {
    display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px;
}

.slot-reel {
    width: 220px; height: 420px;
    background: #000; border: 2px solid var(--gold-color);
    border-radius: 18px; overflow: hidden; position: relative;
    box-shadow: 0 0 25px rgba(245, 158, 11, 0.2);
    flex-shrink: 0;
}

.slot-strip { display: flex; flex-direction: column; transition: transform 0.1s linear; }

.slot-item {
    width: 220px; height: 420px;
    display: flex; flex-direction: column; 
    background: #121212; border-bottom: 1px solid #333;
}

/* 1. KAPAK RESMİ: Kutuyu doldurur */
.slot-main-cover {
    width: 100%; height: 220px; 
    object-fit: cover; display: block;
}

/* 2. BİLGİ ALANI */
.slot-info {
    flex: 1; padding: 10px; 
    display: flex; flex-direction: column; 
    justify-content: flex-start; align-items: center; text-align: center;
    background: #121212; overflow: hidden;
}

.s-title { color: #fff; font-weight: 700; font-size: 0.95em; margin-bottom: 4px; line-height: 1.2; max-height: 2.4em; overflow: hidden; }
.s-artist { color: var(--accent-color); font-size: 0.8em; font-weight: 500; margin-bottom: 8px; }

/* 3. ZORLUK DETAYLARI */
.slot-info .difficulty-details { justify-content: center; gap: 5px; }

.difficulty-item {
    background: rgba(0,0,0,0.4); padding: 4px 8px; border-radius: 6px; 
    display: flex; align-items: center; gap: 6px; font-size: 0.75em;
    border: 1px solid rgba(255,255,255,0.05);
}
.difficulty-item.highlighted { 
    border-color: var(--accent-color); color: var(--accent-color); 
    background: rgba(45, 212, 191, 0.1); 
}

/* 4. ZORLUK BAR RESMİ (KÜÇÜK) */
.difficulty-level-img { 
    height: 14px !important; width: auto !important; 
    display: block;
}

/* 5. ENSTRÜMAN İKONU RESMİ (KÜÇÜK) */
.instrument-icon {
    width: 20px; height: 20px; 
    object-fit: contain;
    display: block;
}

.slot-overlay {
    position: absolute; inset: 0; pointer-events: none; z-index: 10;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.5); background: transparent;
}

/* === LİSTE MODU === */
#result-area { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.song-card {
    background: var(--surface-color); border-radius: 18px; padding: 15px;
    border: 1px solid var(--border-color); display: flex; gap: 15px; transition: 0.3s;
}
.song-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.2); }
.song-card.playing { border-color: var(--accent-color); background: rgba(45, 212, 191, 0.05); }

.song-cover { width: 100px; height: 100px; border-radius: 12px; object-fit: cover; flex-shrink: 0;}
.card-content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.song-info h3 { font-size: 1.2em; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song-info p { font-size: 0.95em; color: var(--accent-color); margin-bottom: 8px; }

.song-actions { display: flex; gap: 10px; margin-top: auto; }
.action-btn {
    padding: 8px; border-radius: 10px; font-size: 0.9em; font-weight: 600; cursor: pointer; border: none;
    display: flex; align-items: center; justify-content: center; gap: 6px; transition: 0.2s;
}
.preview-btn { flex: 1; background: rgba(255,255,255,0.1); color: #fff; }
.preview-btn:hover { background: #fff; color: #000; }
.icon-action-btn { width: 40px; background: rgba(255,255,255,0.05); color: var(--text-muted); }
.icon-action-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }
.heart-btn.active { color: var(--danger-color); }

.difficulty-details { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

@media (max-width: 1200px) { .filter-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) {
    .main-container { margin-top: 140px; padding: 25px; }
    .top-bar { padding: 15px; }
    .filter-grid { grid-template-columns: 1fr; }
    .song-card { flex-direction: row; }
    .slot-container { flex-direction: column; align-items: center; }
    .slot-reel { width: 240px; height: 420px; }
}