:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary: #ff3d00;
    --primary-glow: rgba(255, 61, 0, 0.4);
    --accent: #00e676;
    --text-main: #ffffff;
    --text-dim: #b0b0b0;
    --border-color: #333;
    --font-mono: 'Roboto Mono', monospace;
    --font-sans: 'Inter', sans-serif;
}

[data-theme="light"] {
    --bg-color: #f5f5f5;
    --surface-color: #ffffff;
    --primary: #e53935;
    --primary-glow: rgba(229, 57, 53, 0.3);
    --accent: #00c853;
    --text-main: #212121;
    --text-dim: #666666;
    --border-color: #e0e0e0;
}

body {
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    display: flex;
    justify-content: center;
    min-height: 100vh;
    user-select: none;
}

.app-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Header Stats */
.header-stats {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 15px;
    background: var(--surface-color);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-item.highlight .stat-value {
    color: var(--primary);
    font-size: 2.5rem;
    text-shadow: 0 0 15px var(--primary-glow);
}

/* Progress Bar */
.progress-container {
    height: 6px;
    background: #333;
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    width: 100%;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--primary);
}

/* Click Area */
.click-area {
    flex: 1;
    min-height: 300px;
    background: linear-gradient(145deg, #252525, #1a1a1a);
    border-radius: 24px;
    border: 2px solid #333;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.1s;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.click-area:active {
    transform: scale(0.99);
    border-color: var(--primary);
    background: #151515;
}

.click-content {
    text-align: center;
    pointer-events: none;
    z-index: 2;
}

.click-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

.click-msg {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.click-submsg {
    color: var(--text-dim);
    margin-top: 5px;
}

/* Ripple */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    transform: scale(0);
    animation: ripple-anim 0.4s ease-out;
    pointer-events: none;
}

@keyframes ripple-anim {
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Settings */
.settings-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    background: var(--surface-color);
    padding: 15px;
    border-radius: 50px;
    border: 1px solid #333;
}

.settings-bar span {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 600;
}

.duration-selector {
    display: flex;
    gap: 5px;
}

.dur-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-dim);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all 0.2s;
}

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

.dur-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Modal */
.result-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(5px);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--surface-color);
    width: 90%;
    max-width: 400px;
    border-radius: 24px;
    border: 1px solid #444;
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    background: #252525;
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #333;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--text-main);
}

.modal-body {
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-big {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-cps-val {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    font-family: var(--font-mono);
    text-shadow: 0 0 20px var(--primary-glow);
}

.result-cps-label {
    font-size: 1rem;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-top: 5px;
}

.result-detail {
    background: rgba(255,255,255,0.05);
    padding: 15px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rank-badge {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    padding: 10px;
    border: 1px solid var(--accent);
    border-radius: 8px;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
}

.modal-footer {
    padding: 20px;
    display: flex;
    justify-content: center;
}

.primary-btn {
    background: var(--text-main);
    color: #000;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.2s;
}

.primary-btn:hover {
    transform: scale(1.05);
    background: var(--primary);
    color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}

.records {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.record-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(160px,1fr));
    gap: 12px;
}

.mini-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mini-label {
    color: var(--text-dim);
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.mini-value {
    font-size: 1.6rem;
    font-weight: 800;
}

.mini-sub {
    color: var(--text-dim);
}

.history-panel {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--text-dim);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-row {
    padding: 8px 10px;
    border: 1px dashed var(--border-color);
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
}

.history-row strong {
    color: var(--primary);
}

.history-empty {
    color: var(--text-dim);
}

.ghost-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 10px;
}

.title {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0 0 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-dim);
    margin: 0;
    font-size: 0.95rem;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    right: 18px;
    bottom: 18px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-main);
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 100;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Privacy hint */
.hint {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
    margin-top: 10px;
}

/* Responsive */
@media (max-width: 480px) {
    .title {
        font-size: 1.4rem;
    }
    
    .click-area {
        min-height: 250px;
    }
    
    .settings-bar {
        flex-direction: column;
        gap: 10px;
    }
    
    .duration-selector {
        flex-wrap: wrap;
        justify-content: center;
    }
}