:root {
    --bg: #f0f4f8;
    --container-bg: #fff;
    --text: #2a3d4d;
    --input-bg: #fff;
    --input-border: #b0b8c1;
    --button-bg: #2a8cff;
    --button-hover: #1769aa;
    --result-wrong: #e74c3c;
    --result-correct: #27ae60;
    --result-try: #e67e22;
}

body {
    background: var(--bg);
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: block;
    overflow-y: auto;
    transition: background 0.3s;
}

body.dark {
    --bg: #181c24;
    --container-bg: #232a36;
    --text: #f0f4f8;
    --input-bg: #232a36;
    --input-border: #3a4250;
    --button-bg: #3a7cff;
    --button-hover: #1a3a6b;
    --result-wrong: #ff7675;
    --result-correct: #55efc4;
    --result-try: #ffe066;
}

#dark-mode-toggle {
    background: var(--container-bg);
    color: var(--text);
    border: 1px solid var(--input-border);
    border-radius: 20px;
    padding: 8px 18px;
    font-size: 1em;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: background 0.3s, color 0.3s;
    width: 150px;
    height: 40px;
}

#dark-mode-toggle:hover {
    background: var(--button-bg);
    color: #fff;
}

.container {
    max-width: 540px;
    width: 95vw;
    margin: 48px auto 32px auto;
    text-align: center;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1003;
    transition: background 0.3s;
}

h1 {
    margin-bottom: 24px;
    color: var(--text);
}

#image-container {
    margin-bottom: 24px;
    width: 100%;
    aspect-ratio: 3/2;
    background: #e0e7ef;
    border: 2px solid #d1d9e6;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark #image-container {
    background: #232a36;
    border-color: #3a4250;
}

#country-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 8px;
    transition: box-shadow 0.2s;
}

#hint-container {
    margin-bottom: 16px;
    font-size: 1.1em;
    color: var(--text);
}

#guess-form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    justify-content: center;
}

#guess-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    font-size: 1em;
    background: var(--input-bg);
    color: var(--text);
    transition: background 0.3s, color 0.3s;
}

#submit-btn {
    padding: 8px 16px;
    background: var(--button-bg);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.2s;
}

#submit-btn:hover {
    background: var(--button-hover);
}

#result {
    min-height: 24px;
    font-size: 1.1em;
    margin-bottom: 16px;
    color: var(--result-wrong);
    font-weight: bold;
}

#countdown-container {
    margin-top: 16px;
    font-size: 1em;
    color: var(--text);
}

.top-left-controls {
    position: fixed;
    top: 10px;
    left: 20px;
    z-index: 1002;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.difficulty-settings {
    position: fixed;
    top: 10px;
    right: 20px;
    z-index: 1002;
    background: var(--container-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    min-width: 200px;
}

.difficulty-settings h3 {
    margin: 0 0 12px 0;
    font-size: 1em;
    color: var(--text);
    text-align: center;
    font-weight: 600;
}

.toggle-container {
    margin-bottom: 10px;
}

.toggle-container:last-child {
    margin-bottom: 0;
}

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 0.9em;
    color: var(--text);
}

.toggle-label span:first-child {
    flex: 1;
    margin-right: 12px;
}

.info-icon {
    font-size: 0.8em;
    color: var(--text);
    opacity: 0.7;
    margin-right: 8px;
    cursor: help;
    transition: opacity 0.2s;
}

.info-icon:hover {
    opacity: 1;
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--input-border);
    border-radius: 12px;
    transition: background 0.3s;
    display: inline-block;
}

.toggle-slider:before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider {
    background: var(--button-bg);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* Name hint styles */
#name-hint {
    margin-top: 10px;
    text-align: center;
}

#name-hint-text {
    font-family: monospace;
    font-weight: bold;
    font-size: 1.5em;
    color: var(--text);
    letter-spacing: 2px;
}

#info-btn {
    background: var(--container-bg);
    color: var(--text);
    border: 1px solid var(--input-border);
    border-radius: 20px;
    padding: 8px 18px;
    font-size: 1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: background 0.3s, color 0.3s;
    width: 150px;
    height: 40px;
    min-width: 40px;
}

#info-btn:hover {
    background: var(--button-bg);
    color: #fff;
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    transition: background 0.3s;
}

.modal-content {
    background: var(--container-bg);
    color: var(--text);
    border-radius: 12px;
    padding: 32px 24px 24px 24px;
    max-width: 350px;
    width: 90vw;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    position: relative;
    text-align: left;
    animation: modalIn 0.2s;
}

@keyframes modalIn {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    font-size: 1.5em;
    color: var(--text);
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--result-wrong);
}

body.dark .modal-content {
    background: #232a36;
    color: #f0f4f8;
}

#guesses-info {
    font-size: 1.1em;
    margin-bottom: 16px;
    color: var(--text);
    font-weight: bold;
}

body.dark #guesses-info {
    color: #fff;
}

.site-footer {
    width: 100%;
    text-align: center;
    font-size: 1em;
    color: #7a869a;
    background: rgba(255,255,255,0.92);
    padding: 18px 0 12px 0;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.03);
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 100;
}
body.dark .site-footer {
    background: #232a36;
    color: #7a869a;
}

/* Responsive Design (full original rules) */
@media (max-width: 768px) {
    .container {
        width: 90vw;
        max-width: 400px;
        margin: 20px auto;
        padding: 0 10px;
        top: 55%;
    }
    h1 { font-size: 1.8em; margin-bottom: 16px; }
    #image-container { margin-bottom: 16px; aspect-ratio: 4/3; max-height: 200px; }
    #country-image { object-fit: contain; max-height: 100%; }
    #hint-container { font-size: 1em; margin-bottom: 12px; line-height: 1.4; }
    #guess-form { flex-direction: column; gap: 8px; margin-bottom: 12px; }
    #guess-input { padding: 10px 12px; font-size: 16px; min-height: 44px; }
    #submit-btn { padding: 10px 16px; font-size: 16px; min-height: 44px; }
    #result { font-size: 1em; margin-bottom: 12px; line-height: 1.4; }
    #countdown-container { font-size: 0.9em; margin-top: 12px; }
    .top-left-controls { top: 70px; left: 10px; gap: 10px; z-index: 1002; }
    .difficulty-settings { top: 70px; right: 10px; min-width: 180px; padding: 12px; }
    .difficulty-settings h3 { font-size: 0.9em; margin-bottom: 10px; }
    .toggle-label { font-size: 0.8em; }
    #dark-mode-toggle, #info-btn { width: 120px; height: 35px; font-size: 0.85em; padding: 6px 12px; white-space: nowrap; }
    .site-footer { font-size: 0.9em; padding: 12px 0 8px 0; }
}

@media (max-width: 480px) {
    .container { width: 95vw; max-width: 350px; margin: 10px auto; top: 60%; }
    h1 { font-size: 1.6em; margin-bottom: 12px; }
    #image-container { margin-bottom: 12px; aspect-ratio: 1/1; max-height: 150px; }
    #hint-container { font-size: 0.95em; margin-bottom: 10px; line-height: 1.3; }
    #guess-form { gap: 6px; margin-bottom: 10px; }
    #guess-input { padding: 8px 10px; font-size: 16px; min-height: 40px; }
    #submit-btn { padding: 8px 12px; font-size: 16px; min-height: 40px; }
    #result { font-size: 0.95em; margin-bottom: 10px; line-height: 1.3; }
    #countdown-container { font-size: 0.85em; margin-top: 10px; }
    .top-left-controls { top: 60px; left: 5px; gap: 10px; }
    .difficulty-settings { top: 60px; right: 5px; min-width: 160px; padding: 10px; }
    .difficulty-settings h3 { font-size: 0.8em; margin-bottom: 8px; }
    .toggle-label { font-size: 0.75em; }
    #dark-mode-toggle, #info-btn { width: 100px; height: 30px; font-size: 0.75em; padding: 4px 8px; }
    .site-footer { font-size: 0.8em; padding: 8px 0 6px 0; }
}

@media (min-width: 1200px) {
    .container { max-width: 600px; width: 80vw; top: 50%; }
    h1 { font-size: 2.2em; margin-bottom: 32px; }
    #image-container { margin-bottom: 32px; aspect-ratio: 3/2; max-height: 300px; }
    #hint-container { font-size: 1.2em; margin-bottom: 20px; line-height: 1.5; }
    #guess-form { gap: 12px; margin-bottom: 20px; }
    #guess-input { padding: 12px 16px; font-size: 1.1em; }
    #submit-btn { padding: 12px 20px; font-size: 1.1em; }
    #result { font-size: 1.2em; margin-bottom: 20px; line-height: 1.5; }
    #countdown-container { font-size: 1.1em; margin-top: 20px; }
    .top-left-controls { top: 90px; left: 30px; gap: 10px; }
    .difficulty-settings { top: 90px; right: 30px; min-width: 220px; padding: 20px; }
    .difficulty-settings h3 { font-size: 1.1em; margin-bottom: 16px; }
    .toggle-label { font-size: 1em; }
    #dark-mode-toggle, #info-btn { width: 180px; height: 50px; font-size: 1.1em; padding: 12px 24px; }
    .site-footer { font-size: 1.1em; padding: 24px 0 16px 0; }
}

/* Landscape orientation adjustments for mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .container { width: 80vw; max-width: 500px; margin: 10px auto; top: 55%; }
    h1 { font-size: 1.5em; margin-bottom: 12px; }
    #image-container { margin-bottom: 12px; aspect-ratio: 3/2; max-height: 120px; }
    .top-left-controls { top: 60px; left: 5px; gap: 10px; }
    .difficulty-settings { top: 60px; right: 5px; min-width: 160px; padding: 10px; }
    .difficulty-settings h3 { font-size: 0.8em; margin-bottom: 8px; }
    .toggle-label { font-size: 0.75em; }
    #dark-mode-toggle, #info-btn { width: 100px; height: 30px; font-size: 0.8em; padding: 4px 8px; }
    .site-footer { padding: 6px 0 4px 0; }
}

/* Very small screens */
@media (max-width: 360px) {
    .container { width: 98vw; max-width: 320px; top: 65%; }
    h1 { font-size: 1.4em; margin-bottom: 8px; }
    #image-container { margin-bottom: 8px; max-height: 120px; }
    .top-left-controls { top: 50px; left: 2px; gap: 10px; }
    .difficulty-settings { top: 50px; right: 2px; min-width: 140px; padding: 8px; }
    .difficulty-settings h3 { font-size: 0.7em; margin-bottom: 6px; }
    .toggle-label { font-size: 0.65em; }
    #dark-mode-toggle, #info-btn { width: 90px; height: 28px; font-size: 0.7em; padding: 3px 6px; }
}

/* High DPI */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    #country-image { image-rendering: -webkit-optimize-contrast; image-rendering: crisp-edges; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* Print */
@media print {
    .top-left-controls,
    .difficulty-settings,
    #bmc-top-center,
    .site-footer {
        display: none !important;
    }
    .container { position: static !important; transform: none !important; margin: 20px auto !important; }
}

#show-hints-btn { background: var(--button-bg); color: #fff; border: none; border-radius: 6px; padding: 6px 14px; font-size: 0.98em; cursor: pointer; margin-left: 10px; transition: background 0.2s, color 0.2s, box-shadow 0.2s; box-shadow: 0 1px 4px rgba(0,0,0,0.07); outline: none; vertical-align: middle; }
#show-hints-btn:hover, #show-hints-btn:focus { background: var(--button-hover); color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.12); }

#hints-modal .modal-content { max-width: 400px; width: 92vw; padding: 28px 20px 20px 20px; font-size: 1.05em; background: var(--container-bg); color: var(--text); border-radius: 14px; box-shadow: 0 8px 32px rgba(0,0,0,0.18); text-align: left; position: relative; animation: modalIn 0.2s; }
#hints-modal h2 { font-size: 1.3em; margin-bottom: 16px; color: var(--button-bg); }
#hints-list { list-style: disc inside; padding-left: 0; margin: 0; max-height: 220px; overflow-y: auto; }
#hints-list li { margin-bottom: 8px; padding: 7px 10px; background: rgba(42,140,255,0.07); border-radius: 6px; color: var(--text); font-size: 1em; transition: background 0.2s; }
body.dark #hints-list li { background: rgba(58,124,255,0.13); color: #f0f4f8; }
#close-hints { position: absolute; top: 10px; right: 14px; background: none; border: none; font-size: 1.5em; color: var(--text); cursor: pointer; transition: color 0.2s; }
#close-hints:hover { color: var(--result-wrong); }