:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-yes: #10b981;
    /* Emerald 500 */
    --accent-no: #ef4444;
    /* Red 500 */
    --accent-primary: #8b5cf6;
    /* Violet 500 */
    --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    /* Prevent scrolling on game view */
    display: flex;
    justify-content: center;
}

.app-container {
    width: 100%;
    max-width: 480px;
    /* Mobile constraint on desktop */
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: var(--bg-color);
}

/* Header */
.main-header {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
}

.logo {
    height: 200px;
    width: auto;
    object-fit: contain;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #a78bfa, #2dd4bf);
    width: 0%;
    transition: width 0.3s ease;
}

/* Game Area */
.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* Changed from center to space-between */
    align-items: center;
    position: relative;
    padding: 0.5rem 1rem;
    /* Reduced padding */
    perspective: 1000px;
    overflow: hidden;
    /* Ensure no scroll */
}

.cards-stack {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    max-height: 45vh;
    /* Reduced from 60vh to fit large logo */
}

.card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-card);
    transform-origin: 50% 100%;
    transition: transform 0.3s ease, opacity 0.3s ease;
    user-select: none;
    cursor: grab;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card:active {
    cursor: grabbing;
}

/* Card Content */
.category-badge {
    background-color: rgba(139, 92, 246, 0.2);
    color: #c4b5fd;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.question-text {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 2rem;
}

.card-overlay {
    position: absolute;
    top: 20px;
    padding: 0.5rem 1rem;
    border: 4px solid;
    border-radius: 8px;
    font-size: 2rem;
    font-weight: 800;
    text-transform: uppercase;
    opacity: 0;
    transform: rotate(-15deg);
}

.overlay-yes {
    right: 40px;
    color: var(--accent-yes);
    border-color: var(--accent-yes);
    transform: rotate(15deg);
}

.overlay-no {
    left: 40px;
    color: var(--accent-no);
    border-color: var(--accent-no);
}

/* Controls */
.controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    width: 100%;
}

.control-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-yes {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-yes);
}

.btn-no {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-no);
}

.control-btn:hover {
    transform: scale(1.1);
}

.control-btn:active {
    transform: scale(0.9);
}

.btn-yes:hover {
    background-color: var(--accent-yes);
    color: white;
}

.btn-no:hover {
    background-color: var(--accent-no);
    color: white;
}

.instruction-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
}

/* Results Area */
.hidden {
    display: none !important;
}

.results-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    /* remove fixed positioning */
}

.results-summary {
    width: 100%;
    max-width: 400px;
    margin: 2rem 0;
}

.result-item {
    background-color: var(--card-bg);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.result-question {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.result-answer {
    font-weight: 700;
}

.ans-yes {
    color: var(--accent-yes);
}

.ans-no {
    color: var(--accent-no);
}

.primary-btn {
    background: linear-gradient(135deg, #a78bfa 0%, #2dd4bf 100%);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 2rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(167, 139, 250, 0.3);
    transition: transform 0.2s;
}

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

footer {
    text-align: center;
    padding: 1rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.2);
}

/* Mute Button */
.mute-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: color 0.2s, background-color 0.2s;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.mute-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.hidden {
    display: none !important;
}

/* Controls Center */
.controls-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.control-btn-small {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    background-color: var(--card-bg);
    color: var(--text-secondary);
}

.btn-pass:hover {
    background-color: var(--bg-color);
    color: var(--text-primary);
    transform: scale(1.1);
}

.btn-pass:active {
    transform: scale(0.9);
}

/* Update overlays for Pass */
.overlay-pass {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    border-color: var(--text-secondary);
    color: var(--text-secondary);
    opacity: 0;
}

/* Login Area */
.login-area {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.login-container h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.login-container p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.discord-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #5865F2;
    /* Discord Brand Color */
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, background-color 0.2s;
    box-shadow: 0 4px 12px rgba(88, 101, 242, 0.3);
}

.discord-btn:hover {
    background-color: #4752C4;
    transform: translateY(-2px);
}

.discord-btn:active {
    transform: scale(0.98);
}

/* Mobile Responsiveness */
@media (max-height: 750px) {
    .logo {
        height: 120px;
        /* Reduce logo size on small screens */
    }

    .main-header {
        padding: 0.5rem;
    }

    .game-area {
        padding: 0 1rem;
        justify-content: center;
        /* Center content better */
        gap: 1rem;
    }

    .cards-stack {
        max-height: 40vh;
        /* Reduce card height preference */
        margin-bottom: 0;
    }

    .controls {
        margin-top: 1rem;
        gap: 1.5rem;
    }

    .control-btn {
        width: 56px;
        height: 56px;
    }
}