/* style.css */
:root {
    /* Light Theme */
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #f1f5f9;
    --secondary-hover: #e2e8f0;
    --bg-gradient: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --error-color: #ef4444;
    --success-color: #10b981;
    --kbd-bg: #ffffff;
    --kbd-shadow: #cbd5e1;
    --kbd-active: #c7d2fe;
    --modal-overlay: rgba(0, 0, 0, 0.4);
    --correct-text: #10b981;
    --incorrect-text: #ef4444;
    --incorrect-bg: #fee2e2;
}

[data-theme="dark"] {
    /* Dark Theme */
    --primary-color: #818cf8;
    --primary-hover: #6366f1;
    --secondary-color: #334155;
    --secondary-hover: #475569;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    --error-color: #f87171;
    --success-color: #34d399;
    --kbd-bg: #1e293b;
    --kbd-shadow: #0f172a;
    --kbd-active: #312e81;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --correct-text: #34d399;
    --incorrect-text: #f87171;
    --incorrect-bg: #7f1d1d;
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.5s ease, color 0.3s ease;
    overflow-x: hidden;
}

.app-container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: var(--glass-bg);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.highscore-badge {
    background: var(--secondary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    transition: transform 0.2s;
    opacity: 0.8;
}

.icon-btn:hover {
    transform: scale(1.1);
    opacity: 1;
}

/* Config Panel */
.config-panel {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.config-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

select, input[type="number"] {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: var(--secondary-color);
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    outline: none;
}

/* Stats Box */
.stats-bar {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 10px;
}

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

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
}

.error-text { color: var(--error-color); }
.streak-text { color: #f59e0b; } /* Orange for streak */

/* Game Area */
.game-area {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#hidden-input {
    position: absolute;
    opacity: 0;
    top: 50%;
    z-index: -1;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: var(--secondary-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 100%;
    background: var(--primary-color);
    transition: width 1s linear;
}

.text-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    line-height: 1.6;
    min-height: 120px;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    cursor: text;
    user-select: none;
    position: relative;
}

.text-display .correct {
    color: var(--correct-text);
}

.text-display .incorrect {
    color: var(--incorrect-text);
    background: var(--incorrect-bg);
    border-radius: 3px;
}

.text-display .current {
    border-bottom: 3px solid var(--primary-color);
    animation: blink 1s infinite alternate;
}

@keyframes blink {
    0% { border-color: var(--primary-color); }
    100% { border-color: transparent; }
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn {
    padding: 10px 24px;
    border-radius: 8px;
    border: none;
    font-size: 16px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.primary-btn {
    background: var(--primary-color);
    color: #fff;
}

.primary-btn:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.secondary-btn {
    background: var(--secondary-color);
    color: var(--text-main);
}

.secondary-btn:hover:not(:disabled) {
    background: var(--secondary-hover);
    transform: translateY(-2px);
}

/* Virtual Keyboard */
.virtual-keyboard-section {
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

.keyboard {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.key-row {
    display: flex;
    gap: 8px;
}

kbd {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    background: var(--kbd-bg);
    color: var(--text-main);
    border-radius: 8px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    box-shadow: 0 4px 0 var(--kbd-shadow);
    transition: all 0.1s;
}

kbd.spacebar {
    width: 250px;
}

kbd.active {
    background: var(--kbd-active);
    color: var(--primary-hover);
    transform: translateY(4px);
    box-shadow: 0 0 0 var(--kbd-shadow);
}

/* Animations */
.shake {
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

/* Modals */
.modal {
    margin: auto;
    border: none;
    background: transparent;
    max-width: 500px;
    width: 90%;
}

.modal::backdrop {
    background: var(--modal-overlay);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: 20px;
    color: var(--text-main);
    text-align: left;
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
}

.modal-content h2 {
    margin-bottom: 20px;
    text-align: center;
}

.modal-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
    line-height: 1.8;
}

.result-content {
    text-align: center;
}

.result-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-box .label {
    font-size: 12px;
    color: var(--text-muted);
}

.stat-box .val {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.rewards {
    font-size: 40px;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: 10px;
    }
    
    .text-display {
        font-size: 20px;
    }

    kbd {
        width: 30px;
        height: 40px;
        font-size: 12px;
    }
    
    kbd.spacebar {
        width: 150px;
    }
    
    .logo {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .virtual-keyboard-section {
        display: none; /* Hide virtual keyboard on very small phones */
    }
    .text-display {
        font-size: 18px;
    }
}