@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
    --accent-color: #10b981;
    --danger-color: #ef4444;
    --hint-color: #f59e0b;
    --box-bg: rgba(15, 23, 42, 0.6);
    --box-shadow-color: rgba(139, 92, 246, 0.2);
}

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

body {
    font-family: 'Outfit', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-color), #1e1b4b);
    color: var(--text-color);
    overflow-x: hidden;
}

/* Background floating elements */
.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-shape {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-30px) scale(1.05); }
}

.bg-shape-1 {
    width: 300px;
    height: 300px;
    background: #4c1d95;
    top: -50px;
    left: -50px;
}

.bg-shape-2 {
    width: 400px;
    height: 400px;
    background: #064e3b;
    bottom: -100px;
    right: -50px;
    animation-delay: -5s;
}

/* ==================== CONTAINER ==================== */
.container {
    position: relative;
    z-index: 10;
    text-align: center;
    background: var(--card-bg);
    padding: 2.5rem 2rem 2rem;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 620px;
    animation: fadeIn 0.8s ease-out;
    margin: 20px auto;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header area */
.header-area {
    position: relative;
}

.stats-toggle-btn {
    position: absolute;
    top: 0;
    right: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-toggle-btn:hover {
    background: rgba(255,255,255,0.1);
    transform: scale(1.05);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1rem;
    color: #94a3b8;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

/* ==================== TIMER TOGGLE ==================== */
.timer-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.timer-label {
    font-size: 0.85rem;
    color: #94a3b8;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    border-radius: 26px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: #94a3b8;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.toggle-switch input:checked + .toggle-slider {
    background: rgba(139, 92, 246, 0.3);
    border-color: var(--primary-color);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: var(--primary-color);
}

.timer-display {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-color);
    min-width: 45px;
    transition: color 0.3s ease;
}

.timer-display.urgent {
    color: var(--danger-color);
    animation: pulse 0.8s infinite;
}

.timer-display.hidden {
    display: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ==================== LETTER BOXES ==================== */
.boxes {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 1.5rem;
    perspective: 1000px;
    flex-wrap: wrap;
}

.box {
    width: 65px;
    height: 65px;
    background: var(--box-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: transparent;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3) inset;
}

.box .letter {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    0% { transform: scale(0); opacity: 0; }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.box.guessed {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--box-shadow-color);
    transform: translateY(-5px);
}

.box.hint-revealed {
    background: rgba(245, 158, 11, 0.08);
    border-color: var(--hint-color);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.25);
    transform: translateY(-5px);
}

.box.hint-revealed .letter {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.box.game-over-reveal .letter {
    background: linear-gradient(135deg, #64748b, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.5;
}

/* Animations for error state */
.box.error-shake {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
    border-color: var(--danger-color);
}

@keyframes shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}

/* ==================== CONTROLS ==================== */
.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.prediction-area {
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.2);
    border-radius: 30px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
    transition: all 0.3s ease;
}

.prediction-area:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.prediction-input {
    background: transparent;
    border: none;
    color: white;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    padding: 10px 20px;
    width: 100%;
    outline: none;
    text-transform: uppercase;
}

.prediction-input::placeholder {
    color: #64748b;
    text-transform: none;
}

.button-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.submit-button {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Outfit', sans-serif;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
}

.submit-button:active {
    transform: translateY(0);
}

.hint-button {
    background: linear-gradient(135deg, var(--hint-color), #d97706);
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Outfit', sans-serif;
}

.hint-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

.hint-button:active:not(:disabled) {
    transform: translateY(0);
}

.hint-button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    filter: grayscale(60%);
}

.reset-button {
    background: transparent;
    color: #cbd5e1;
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.2s ease;
    display: none;
    font-family: 'Outfit', sans-serif;
}

.reset-button:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* ==================== VISUAL KEYBOARD ==================== */
.keyboard {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 1.5rem;
}

.keyboard-row {
    display: flex;
    gap: 5px;
    justify-content: center;
}

.key {
    width: 36px;
    height: 42px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
}

.key:hover:not(.correct):not(.wrong) {
    transform: translateY(-2px);
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary-color);
}

.key:active {
    transform: translateY(0);
}

.key.correct {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.2);
}

.key.wrong {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #64748b;
    opacity: 0.5;
}

/* ==================== STATS BAR ==================== */
.stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: rgba(0,0,0,0.2);
    padding: 12px 20px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.score-container, .lives-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.score {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-color);
    transition: transform 0.15s ease, color 0.15s ease;
}

.lives {
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.heart {
    display: inline-block;
    transition: all 0.3s ease;
}

.heart.lost {
    opacity: 0.3;
    filter: grayscale(100%);
    transform: scale(0.8);
}

/* ==================== STATS MODAL ==================== */
.stats-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.stats-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.stats-modal {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    width: 90%;
    max-width: 380px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.stats-modal-overlay.show .stats-modal {
    transform: scale(1) translateY(0);
}

.stats-modal h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #a855f7, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 10px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-color);
}

.stat-card .stat-name {
    font-size: 0.7rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.close-modal-btn {
    background: transparent;
    color: #cbd5e1;
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.2s ease;
    font-family: 'Outfit', sans-serif;
}

.close-modal-btn:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    pointer-events: none;
}

.toast {
    background: rgba(30, 41, 59, 0.95);
    color: var(--text-color);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.toast.toast-error {
    border-color: var(--danger-color);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.3);
}

.toast.toast-success {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

/* ==================== CONFETTI CANVAS ==================== */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9998;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 500px) {
    .container {
        padding: 1.5rem 1rem 1rem;
    }
    .boxes { gap: 8px; }
    .box { width: 50px; height: 50px; }
    .box .letter { font-size: 1.4rem; }
    h1 { font-size: 1.8rem; }
    .key { width: 30px; height: 38px; font-size: 0.75rem; }
    .keyboard-row { gap: 3px; }
    .stats-grid { gap: 8px; }
}