:root {
    --primary-color: #6366f1; /* Indigo */
    --secondary-color: #ec4899; /* Pink/Heart color */
    --accent-color: #10b981; /* Green for correct */
    --error-color: #f43f5e; /* Red for shitpost */
    --bg-dark: #0f172a; /* Slate-900 */
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --font-main: 'Outfit', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-color);
    font-family: var(--font-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-nav a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 12px;
}

.top-nav a:hover, .top-nav a.active {
    color: #fff;
    background: rgba(236, 72, 153, 0.2);
    text-shadow: 0 0 10px rgba(236, 72, 153, 0.5);
}

/* BACKGROUND BLOBS */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: blobMove 20s infinite alternate;
}

.blob-1 { top: -50px; left: -50px; }
.blob-2 { bottom: -50px; right: -50px; animation-delay: -5s; }
.blob-3 { top: 50%; left: 50%; width: 400px; height: 400px; transform: translate(-50%, -50%); opacity: 0.3; }

@keyframes blobMove {
    from { transform: translate(0, 0) rotate(0deg); }
    to { transform: translate(100px, 50px) rotate(360deg); }
}

/* GLASS CONTAINER */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

header {
    margin-bottom: 0.5rem;
}

.title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.2rem;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.heart {
    color: var(--secondary-color);
    -webkit-text-fill-color: initial;
    display: inline-block;
    animation: pulse 1s infinite alternate;
}

.nehir-text {
    background: linear-gradient(to right, #ec4899, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
}

@keyframes pulse {
    from { transform: scale(1); }
    to { transform: scale(1.2); }
}

/* GAME INFO & ROOMS */
.game-info {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.status-badge {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.6rem 1rem;
    border-radius: 12px;
    font-weight: 600;
    color: var(--primary-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.room-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.room-input-group {
    display: flex;
    flex: 1;
    gap: 4px;
}

input {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 0.8rem;
    border-radius: 10px;
    color: white;
    font-size: 0.8rem;
    flex: 1;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.room-id-display {
    font-size: 0.8rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-color);
    padding: 0.5rem;
    border-radius: 8px;
    border: 1px dashed var(--accent-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.room-id-display.hidden { display: none; }

/* BOARD */
.game-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 12px;
    aspect-ratio: 1;
    margin: 1rem 0;
}

.cell {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cell:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.cell.x { 
    background-image: url('cisli1.jpg');
    background-size: cover;
    background-position: center;
}
.cell.o { 
    background-image: url('shit1.jpg');
    background-size: cover;
    background-position: center;
}

.cell.x::after, .cell.o::after { content: ''; }

@keyframes popIn {
    0% { transform: scale(0); opacity: 0; }
    80% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

/* BUTTONS */
.btn {
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 0.9rem;
}

.btn-primary { background: var(--primary-color); color: white; }
.btn-secondary { background: rgba(255, 255, 255, 0.1); color: white; border: 1px solid var(--glass-border); }
.btn-danger { background: rgba(244, 63, 94, 0.1); color: var(--error-color); border: 1px solid var(--error-color); width: 100%; }

.btn:hover { filter: brightness(1.1); transform: scale(1.02); }
.btn:active { transform: scale(0.98); }

.btn-copy { background: none; border: none; cursor: pointer; font-size: 1rem; opacity: 0.7; }
.btn-copy:hover { opacity: 1; }

/* FEEDBACK OVERLAY */
.overlay {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    z-index: 100;
    box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.overlay.visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}

.overlay[data-type="CORRECT"] { border-color: var(--accent-color); box-shadow: 0 0 30px rgba(16, 185, 129, 0.4); }
.overlay[data-type="WRONG"] { border-color: var(--error-color); box-shadow: 0 0 30px rgba(244, 63, 94, 0.4); }

.feedback-content img {
    width: 220px;
    height: 220px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 0.5rem;
}

.feedback-content h2 {
    font-size: 1.5rem;
    font-weight: 800;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.overlay[data-type="CORRECT"] h2 { color: var(--accent-color); }
.overlay[data-type="WRONG"] h2 { color: var(--error-color); }