/* --- style.css (v3.2) --- */

/* NEJWYŠŠÍ PRIORITA: Skrývání elementů */
.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

:root {
    --bg-color: #f0f2f5;
    --primary-color: #2196F3;
    --success-color: #4CAF50;
    --error-color: #f44336;
    --text-color: #333;
    --tile-bg: #ffffff;
    --modal-overlay: rgba(0, 0, 0, 0.85);
    
    /* Digital Theme */
    --digi-bg-color: #000000;
    --digi-tile-bg: #1a1a1a;
    --digi-text-color: #ff3333;
    --digi-success-color: #33ff33;
    --digi-font: 'Digital-7 Mono', monospace, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

html {
    height: 100%;
}

body {
    background-color: var(--bg-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    /* KRITICKÁ OPRAVA: Column zajistí, že se prvky nikdy nebudou cpát vedle sebe */
    display: flex;
    flex-direction: column; 
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.game-container {
    width: 100%;
    max-width: 600px;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 15px;
    position: relative;
    z-index: 1;
}

/* --- Horní panel --- */
.top-panel {
    background-color: #fff;
    padding: 15px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
    width: 100%;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-color);
}

.controls-row {
    display: flex;
    justify-content: center;
    padding-top: 5px;
    border-top: 1px solid #eee;
}

.timer-display span, .progress-display span {
    font-variant-numeric: tabular-nums;
    color: var(--primary-color);
}

.status-message {
    font-size: 1rem;
    color: #666;
    min-height: 1.2em;
}

/* --- Toggle Switch --- */
.toggle-switch {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: #555;
    -webkit-tap-highlight-color: transparent;
}

.toggle-switch input {
    display: none;
}

.toggle-switch .slider {
    position: relative;
    width: 40px;
    height: 22px;
    background-color: #ccc;
    border-radius: 22px;
    margin-right: 10px;
    transition: .4s;
}

.toggle-switch .slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: .4s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.toggle-switch input:checked + .slider {
    background-color: var(--primary-color);
}

.toggle-switch input:checked + .slider:before {
    transform: translateX(18px);
}

/* --- Nastavení hry --- */
.settings-panel {
    flex-grow: 1;
    background: #fff;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    /* Na mobilu chceme nastavení nahoře, ne uprostřed, aby nepřekážela klávesnice */
    justify-content: flex-start; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    overflow-y: auto;
    width: 100%;
}

.settings-panel h2 {
    margin-top: 10px;
    font-size: 1.6rem;
    color: var(--primary-color);
}

.input-group {
    width: 100%;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: 600;
    font-size: 1rem;
    color: #555;
}

.input-group input {
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1.2rem;
    text-align: center;
    width: 100%;
    -webkit-appearance: none; /* Odstraní defaultní stínování na iOS */
}

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

.start-btn {
    background-color: var(--success-color);
    color: white;
    border: none;
    padding: 15px 20px;
    font-size: 1.4rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 0 #388E3C;
    margin-top: 10px;
    width: 100%;
    max-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.start-btn:active {
    transform: translateY(4px);
    box-shadow: 0 0 0 #388E3C;
}

/* --- Herní mřížka --- */
.grid-container {
    flex-grow: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr)); /* Zmenšeno min na 60px pro malé displeje */
    gap: 8px;
    align-content: start;
    overflow-y: auto;
    padding: 5px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

.grid-container::-webkit-scrollbar {
    width: 4px;
}
.grid-container::-webkit-scrollbar-thumb {
    background-color: rgba(0,0,0,0.2);
    border-radius: 4px;
}

.tile {
    aspect-ratio: 1 / 1;
    background-color: var(--tile-bg);
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1.8rem;
    font-weight: bold;
    color: #444;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: transform 0.1s, background-color 0.2s;
    touch-action: manipulation; /* Zlepšuje reakci na dotyk */
}

.tile:active {
    transform: scale(0.95);
    background-color: #eee;
}

.tile.correct {
    background-color: var(--success-color) !important;
    color: white !important;
    border-color: var(--success-color) !important;
    animation: pop 0.3s ease-out;
}

.tile.wrong {
    background-color: var(--error-color) !important;
    color: white !important;
    border-color: var(--error-color) !important;
    animation: shake 0.4s ease-in-out;
}

.tile.disabled {
    pointer-events: none;
    opacity: 0.3;
    filter: grayscale(100%);
}

/* --- DIGI MÓD --- */
.digital-theme {
    background-color: #000;
    border-radius: 10px;
}

.digital-theme .tile {
    background-color: var(--digi-tile-bg);
    border-color: #333;
    color: var(--digi-text-color);
    font-family: var(--digi-font);
    font-size: 2.2rem;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
    text-shadow: 0 0 5px var(--digi-text-color);
}

.digital-theme .tile.correct {
    background-color: #112211 !important;
    border-color: var(--digi-success-color) !important;
    color: var(--digi-success-color) !important;
}

.digital-theme .tile.wrong {
    background-color: #221111 !important;
    border-color: #ff0000 !important;
    color: #ff0000 !important;
}

/* --- Modální okno --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
    padding: 20px;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 25px;
    width: 100%;
    max-width: 350px; /* Trochu užší pro mobily */
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    animation: slideUp 0.3s ease-out;
}

.modal h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.result-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.stat-item .value {
    font-weight: 800;
}

.stat-item .value.error {
    color: var(--error-color);
}

.restart-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 4px 0 #1976D2;
}

.restart-btn:active {
    transform: translateY(4px);
    box-shadow: none;
}

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

@keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

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

/* --- Média pro velmi malé displeje --- */
@media (max-width: 380px) {
    .grid-container {
        grid-template-columns: repeat(4, 1fr);
    }
    .stats-row {
        font-size: 1.2rem;
    }
    .settings-panel {
        padding: 15px;
    }
    .start-btn {
        font-size: 1.2rem;
        padding: 12px;
    }
    .tile {
        font-size: 1.5rem;
    }
}