:root {
    --bg-primary: linear-gradient(145deg, #0b1a2e, #1a2f44);
    --bg-container: rgba(255,255,255,0.08);
    --text-primary: #e8edf5;
    --text-secondary: #b0c9e0;
    --text-light: #fff;
    --bg-user: rgba(0,0,0,0.2);
    --bg-topbar: rgba(0,0,0,0.25);
    --bg-settings: rgba(0,0,0,0.15);
    --bg-wordcard: #ffffff;
    --border-wordcard: rgba(255,255,255,0.08);
    --color-word: #d32f2f;
    --color-record: #ffd93d;
    --color-timer: #ffd93d;
    --color-timer-warning: #ff6b6b;
    --color-player-active: #ffd93d;
    --color-player: #4fc3f7;
    --color-option: rgba(30, 58, 90, 0.8);
    --color-option-hover: rgba(74, 125, 170, 0.9);
    --color-option-correct: rgba(46,213,115,0.8);
    --color-option-wrong: rgba(255,71,87,0.8);
    --color-option-reveal: rgba(46,213,115,0.4);
    --bg-modal: #1e3a5a;
    --text-modal: #fff;
    --bg-input: rgba(255,255,255,0.1);
    --text-input: #fff;
    --placeholder-input: #b0c9e0;
    --bg-learn-item: rgba(255,255,255,0.05);
    --border-learn-item: rgba(255,255,255,0.05);
    --color-learn-word: #4fc3f7;
    --color-learn-trans: #b0c9e0;
    --bg-scoreboard: rgba(0,0,0,0.2);
    --bg-invite: rgba(46,204,113,0.3);
    --border-invite: #2ecc71;
    --bg-leaderboard-th: rgba(255,255,255,0.1);
    --color-leaderboard-th: #8aaac8;
    --bg-leaderboard-td: rgba(255,255,255,0.05);
    --bg-notification: rgba(0,0,0,0.85);
    --shadow-modal: 0 24px 48px rgba(0,0,0,0.8);
    --shadow-btn: 0 2px 8px rgba(0,0,0,0.3);
    --bg-overlay: rgba(0,0,0,0.7);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg-primary: linear-gradient(145deg, #e8edf5, #d5dce6);
        --bg-container: rgba(255, 255, 255, 0.6);
        --text-primary: #1a2f44;
        --text-secondary: #2c3e50;
        --text-light: #1a2f44;
        --bg-user: rgba(0,0,0,0.05);
        --bg-topbar: rgba(255,255,255,0.5);
        --bg-settings: rgba(255,255,255,0.4);
        --bg-wordcard: #ffffff;
        --border-wordcard: rgba(0,0,0,0.05);
        --color-word: #c0392b;
        --color-record: #d35400;
        --color-timer: #d35400;
        --color-timer-warning: #e74c3c;
        --color-player-active: #d35400;
        --color-player: #2980b9;
        --color-option: rgba(200, 215, 230, 0.8);
        --color-option-hover: rgba(74, 125, 170, 0.3);
        --color-option-correct: rgba(46,213,115,0.6);
        --color-option-wrong: rgba(255,71,87,0.6);
        --color-option-reveal: rgba(46,213,115,0.3);
        --bg-modal: #f0f4f8;
        --text-modal: #1a2f44;
        --bg-input: rgba(255,255,255,0.8);
        --text-input: #1a2f44;
        --placeholder-input: #7f8c8d;
        --bg-learn-item: rgba(0,0,0,0.03);
        --border-learn-item: rgba(0,0,0,0.05);
        --color-learn-word: #2980b9;
        --color-learn-trans: #2c3e50;
        --bg-scoreboard: rgba(0,0,0,0.05);
        --bg-invite: rgba(46,204,113,0.2);
        --border-invite: #27ae60;
        --bg-leaderboard-th: rgba(0,0,0,0.1);
        --color-leaderboard-th: #5d7a9a;
        --bg-leaderboard-td: rgba(0,0,0,0.05);
        --bg-notification: rgba(0,0,0,0.85);
        --shadow-modal: 0 24px 48px rgba(0,0,0,0.3);
        --shadow-btn: 0 2px 8px rgba(0,0,0,0.1);
        --bg-overlay: rgba(0,0,0,0.5);
    }
}

body.dark-theme {
    --bg-primary: linear-gradient(145deg, #0b1a2e, #1a2f44);
    --bg-container: rgba(255,255,255,0.08);
    --text-primary: #e8edf5;
    --text-secondary: #b0c9e0;
    --text-light: #fff;
    --bg-user: rgba(0,0,0,0.2);
    --bg-topbar: rgba(0,0,0,0.25);
    --bg-settings: rgba(0,0,0,0.15);
    --bg-wordcard: #ffffff;
    --border-wordcard: rgba(255,255,255,0.08);
    --color-word: #d32f2f;
    --color-record: #ffd93d;
    --color-timer: #ffd93d;
    --color-timer-warning: #ff6b6b;
    --color-player-active: #ffd93d;
    --color-player: #4fc3f7;
    --color-option: rgba(30, 58, 90, 0.8);
    --color-option-hover: rgba(74, 125, 170, 0.9);
    --color-option-correct: rgba(46,213,115,0.8);
    --color-option-wrong: rgba(255,71,87,0.8);
    --color-option-reveal: rgba(46,213,115,0.4);
    --bg-modal: #1e3a5a;
    --text-modal: #fff;
    --bg-input: rgba(255,255,255,0.1);
    --text-input: #fff;
    --placeholder-input: #b0c9e0;
    --bg-learn-item: rgba(255,255,255,0.05);
    --border-learn-item: rgba(255,255,255,0.05);
    --color-learn-word: #4fc3f7;
    --color-learn-trans: #b0c9e0;
    --bg-scoreboard: rgba(0,0,0,0.2);
    --bg-invite: rgba(46,204,113,0.3);
    --border-invite: #2ecc71;
    --bg-leaderboard-th: rgba(255,255,255,0.1);
    --color-leaderboard-th: #8aaac8;
    --bg-leaderboard-td: rgba(255,255,255,0.05);
    --bg-notification: rgba(0,0,0,0.85);
    --shadow-modal: 0 24px 48px rgba(0,0,0,0.8);
    --shadow-btn: 0 2px 8px rgba(0,0,0,0.3);
    --bg-overlay: rgba(0,0,0,0.7);
}

body.light-theme {
    --bg-primary: linear-gradient(145deg, #e8edf5, #d5dce6);
    --bg-container: rgba(255, 255, 255, 0.6);
    --text-primary: #1a2f44;
    --text-secondary: #2c3e50;
    --text-light: #1a2f44;
    --bg-user: rgba(0,0,0,0.05);
    --bg-topbar: rgba(255,255,255,0.5);
    --bg-settings: rgba(255,255,255,0.4);
    --bg-wordcard: #ffffff;
    --border-wordcard: rgba(0,0,0,0.05);
    --color-word: #c0392b;
    --color-record: #d35400;
    --color-timer: #d35400;
    --color-timer-warning: #e74c3c;
    --color-player-active: #d35400;
    --color-player: #2980b9;
    --color-option: rgba(200, 215, 230, 0.8);
    --color-option-hover: rgba(74, 125, 170, 0.3);
    --color-option-correct: rgba(46,213,115,0.6);
    --color-option-wrong: rgba(255,71,87,0.6);
    --color-option-reveal: rgba(46,213,115,0.3);
    --bg-modal: #f0f4f8;
    --text-modal: #1a2f44;
    --bg-input: rgba(255,255,255,0.8);
    --text-input: #1a2f44;
    --placeholder-input: #7f8c8d;
    --bg-learn-item: rgba(0,0,0,0.03);
    --border-learn-item: rgba(0,0,0,0.05);
    --color-learn-word: #2980b9;
    --color-learn-trans: #2c3e50;
    --bg-scoreboard: rgba(0,0,0,0.05);
    --bg-invite: rgba(46,204,113,0.2);
    --border-invite: #27ae60;
    --bg-leaderboard-th: rgba(0,0,0,0.1);
    --color-leaderboard-th: #5d7a9a;
    --bg-leaderboard-td: rgba(0,0,0,0.05);
    --bg-notification: rgba(0,0,0,0.85);
    --shadow-modal: 0 24px 48px rgba(0,0,0,0.3);
    --shadow-btn: 0 2px 8px rgba(0,0,0,0.1);
    --bg-overlay: rgba(0,0,0,0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: var(--bg-primary);
    transition: background 0.3s;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    overscroll-behavior: none;
    -webkit-tap-highlight-color: transparent;
}

#app {
    display: flex;
    align-items: stretch;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
}

.game-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    background: var(--bg-container);
    backdrop-filter: blur(6px);
    padding: 0px 20px;
    width: 100%;
    max-width: 800px;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}
.game-container::-webkit-scrollbar { width: 6px; }
.game-container::-webkit-scrollbar-track { background: transparent; }
.game-container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }

button,
.icon-btn,
.action-btn,
.option-btn,
.invite-btn,
.menu-btn,
.history-bar button,
.modal .restart-btn,
input[type="radio"],
select {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 5px;
}

h1 {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.4rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.user-area {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    background: var(--bg-user);
    padding: 2px 12px;
    border-radius: 40px;
    font-size: 0.9rem;
}
.user-area span {
    font-weight: 600;
    color: var(--text-light);
}

.icon-btn {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 40px;
    padding: 4px 10px;
    color: var(--text-light);
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.9rem;
    line-height: 1.4;
    user-select: none;
    -webkit-user-select: none;
}
.icon-btn:hover {
    background: rgba(255,255,255,0.18);
}
.icon-btn.active {
    background: rgba(46,213,115,0.2);
    border-color: #2ed573;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-topbar);
    padding: 4px 12px;
    border-radius: 40px;
    flex-shrink: 0;
    margin-bottom: 8px;
}

.stats {
    display: flex;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    flex-wrap: nowrap;
    overflow-x: auto;
}
.stats span {
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}
.stats span i {
    width: 16px;
    font-size: 0.8rem;
}
.stats .record {
    color: var(--color-record);
}

.player-score {
    color: var(--color-player);
    cursor: pointer;
}
.player-score.active {
    color: var(--color-player-active);
}

.timer {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--color-timer);
    background: rgba(0,0,0,0.3);
    padding: 0 12px;
    border-radius: 40px;
    min-width: 50px;
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
}
.timer.warning {
    color: var(--color-timer-warning);
    animation: pulse 0.6s infinite alternate;
}
@keyframes pulse {
    0% { opacity: 0.6; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1.05); }
}

.settings-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
    background: var(--bg-settings);
    padding: 6px 10px;
    border-radius: 20px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}
.setting-item {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--text-secondary);
    font-size: 0.75rem;
    flex-shrink: 0;
}
.setting-item i {
    font-size: 0.85rem;
    width: 18px;
    text-align: center;
}
.setting-item select, .setting-item .dir-switch {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 2px 6px;
    color: var(--text-light);
    font-size: 0.75rem;
    cursor: pointer;
    outline: none;
    height: 26px;
}
.setting-item select option {
    background: #1a2f44;
    color: #fff;
}
.setting-item .dir-switch {
    display: flex;
    gap: 1px;
    padding: 1px 3px;
    height: 26px;
}
.setting-item .dir-switch label {
    padding: 0 6px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: 0.2s;
    font-size: 0.7rem;
    line-height: 22px;
}
.setting-item .dir-switch input[type="radio"] {
    display: none;
}
.setting-item .dir-switch input[type="radio"]:checked + label {
    background: rgba(74,125,170,0.6);
    color: #fff;
}
.setting-item .dir-switch label:hover {
    background: rgba(255,255,255,0.05);
}
.setting-item .icon-btn {
    font-size: 0.8rem;
    padding: 2px 8px;
    height: 26px;
    line-height: 1.2;
    border-radius: 30px;
}

.word-card {
    background: var(--bg-wordcard);
    border-radius: 28px;
    padding: 10px 10px 15px;
    margin-bottom: 12px;
    text-align: center;
    border: 1px solid var(--border-wordcard);
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.direction-label {
    font-size: 1.1rem;
    color: red;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
    user-select: none;
    -webkit-user-select: none;
}

.word-display {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--color-word);
    text-shadow: none;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    animation: fadeSlide 0.3s ease-out;
    word-break: break-word;
    padding: 5px 0;
}
@keyframes fadeSlide {
    0% { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}

#imageContainer {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 0 auto 0px;
}

#wordImage {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    max-height: 35vh;
    width: auto;
    height: auto;
    border-radius: 16px;
    object-fit: contain;
    background: #fff;
}

#imageCaption {
    display: none;
    margin-top: 8px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-word);
    text-align: center;
    word-break: break-word;
    line-height: 1.2;
    user-select: none;
    -webkit-user-select: none;
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
    margin-top: 10px;
}

.option-btn {
    background: var(--color-option);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 40px;
    padding: 10px 4px;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-btn);
    text-align: center;
    animation: fadeSlide 0.3s ease-out;
    animation-fill-mode: backwards;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-word;
    line-height: 1.2;
    user-select: none;
    -webkit-user-select: none;
}
.option-btn:nth-child(1) { animation-delay: 0.05s; }
.option-btn:nth-child(2) { animation-delay: 0.10s; }
.option-btn:nth-child(3) { animation-delay: 0.15s; }
.option-btn:nth-child(4) { animation-delay: 0.20s; }
.option-btn:nth-child(5) { animation-delay: 0.25s; }
.option-btn:nth-child(6) { animation-delay: 0.30s; }
.option-btn:hover:not(:disabled) {
    background: var(--color-option-hover);
    border-color: rgba(255,255,255,0.3);
    transform: scale(1.02);
}
.option-btn:active:not(:disabled) {
    transform: scale(0.96);
}
.option-btn:disabled {
    cursor: default;
    opacity: 0.6;
}
.option-btn.correct {
    background: var(--color-option-correct) !important;
    border-color: #2ed573 !important;
    color: #fff !important;
    box-shadow: 0 0 16px rgba(46,213,115,0.4);
    transform: scale(1.02);
}
.option-btn.wrong {
    background: var(--color-option-wrong) !important;
    border-color: #ff4757 !important;
    color: #fff !important;
    box-shadow: 0 0 16px rgba(255,71,87,0.4);
    animation: shake 0.3s;
}
@keyframes shake {
    0%,100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}
.option-btn.reveal-correct {
    background: var(--color-option-reveal) !important;
    border-color: #2ed573 !important;
}

.history-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 8px 0 10px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    flex-shrink: 0;
}
.history-bar button {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 4px 12px;
    color: var(--text-light);
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.2s;
    user-select: none;
    -webkit-user-select: none;
}
.history-bar button:hover:not(:disabled) {
    background: rgba(255,255,255,0.2);
}
.history-bar button:disabled {
    opacity: 0.3;
    cursor: default;
}
.history-bar .history-text {
    min-width: 120px;
    text-align: center;
    background: rgba(0,0,0,0.2);
    padding: 4px 12px;
    border-radius: 30px;
    color: var(--text-primary);
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: none;
    -webkit-user-select: none;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.action-btn {
    flex: 0 1 auto;
    padding: 8px 14px;
    border: none;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-btn);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    user-select: none;
    -webkit-user-select: none;
}
.action-btn:hover {
    transform: scale(1.04);
    background: rgba(255,255,255,0.18);
}
.action-btn.reset { background: linear-gradient(135deg, #e67e22, #d35400); }
.action-btn.online { background: linear-gradient(135deg, #2ecc71, #27ae60); }
.action-btn.leaderboard { background: linear-gradient(135deg, #f1c40f, #f39c12); }
.action-btn.game-invites { background: linear-gradient(135deg, #e74c3c, #c0392b); }
.action-btn.learn { background: linear-gradient(135deg, #9b59b6, #8e44ad); }

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s;
    padding: 15px;
}
.modal-overlay.active {
    display: flex;
}
#gameModeModal {
    z-index: 1200;
}
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.modal {
    background: var(--bg-modal);
    border-radius: 24px;
    padding: 24px 20px;
    max-width: 450px;
    width: 100%;
    text-align: center;
    color: var(--text-modal);
    box-shadow: var(--shadow-modal);
    border: 1px solid rgba(255,255,255,0.1);
    animation: scaleUp 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
@keyframes scaleUp {
    0% { opacity: 0; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}
.modal h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}
.modal .result-stats {
    font-size: 1rem;
    margin: 15px 0;
    line-height: 1.6;
}
.modal .result-stats span {
    font-weight: 700;
    color: var(--color-record);
}
.modal .restart-btn {
    background: linear-gradient(135deg, #2ed573, #1e8c4a);
    border: none;
    border-radius: 40px;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: 0.2s;
    margin-top: 6px;
    box-shadow: 0 4px 12px rgba(46,213,115,0.3);
    width: 100%;
    user-select: none;
    -webkit-user-select: none;
}
.modal .restart-btn:hover {
    transform: scale(1.02);
}

.auth-modal input {
    display: block;
    width: 100%;
    margin: 8px 0;
    padding: 12px 15px;
    border-radius: 40px;
    border: none;
    background: var(--bg-input);
    color: var(--text-input);
    font-size: 0.95rem;
    outline: none;
}
.auth-modal input::placeholder {
    color: var(--placeholder-input);
}

.user-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    text-align: left;
}
.user-list-item .online-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}
.online-indicator.online { background: #2ecc71; }
.online-indicator.offline { background: #7f8c8d; }

.invite-btn {
    background: var(--bg-invite);
    border: 1px solid var(--border-invite);
    border-radius: 20px;
    padding: 6px 12px;
    color: var(--text-light);
    font-size: 0.8rem;
    cursor: pointer;
    transition: 0.2s;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
}
.invite-btn:hover {
    background: rgba(46,204,113,0.6);
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.7rem;
    margin-top: 10px;
}
.leaderboard-table th {
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid var(--bg-leaderboard-th);
    color: var(--color-leaderboard-th);
}
.leaderboard-table td {
    padding: 4px;
    border-bottom: 1px solid var(--bg-leaderboard-td);
}

.game-over-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.trophy-icon {
    font-size: 3.5rem;
    color: #ffd93d;
    filter: drop-shadow(0 0 10px rgba(255,217,61,0.5));
    margin-bottom: 5px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.winner-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 5px 0;
}
.score-board {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    width: 100%;
    margin: 15px 0;
    background: var(--bg-scoreboard);
    padding: 15px;
    border-radius: 16px;
}
.player-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    min-width: 70px;
}
.player-result.winner {
    transform: scale(1.05);
}
.player-result.winner .p-name {
    color: #ffd93d;
    font-weight: bold;
}
.p-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    word-break: break-word;
    max-width: 120px;
    text-align: center;
}
.p-score {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-light);
}

.learn-list {
    max-height: 40vh;
    overflow-y: auto;
    text-align: left;
    margin-top: 10px;
    padding-right: 5px;
    -webkit-overflow-scrolling: touch;
}
.learn-list::-webkit-scrollbar { width: 6px; }
.learn-list::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }
.learn-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 3px; }
.learn-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin-bottom: 8px;
    background: var(--bg-learn-item);
    border-radius: 12px;
    border: 1px solid var(--border-learn-item);
}
.learn-item > div:first-child {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.learn-word {
    font-weight: bold;
    color: var(--color-learn-word);
    font-size: 1rem;
}
.learn-trans {
    color: var(--color-learn-trans);
    font-size: 0.85rem;
}

.chart-container {
    width: 100%;
    height: 200px;
    margin: 15px 0;
    position: relative;
}

.main-menu .menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 15px;
}
.menu-btn {
    background: var(--color-option);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 15px 10px;
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
    transition: 0.2s;
    text-align: center;
    line-height: 1.3;
    user-select: none;
    -webkit-user-select: none;
}
.menu-btn:hover {
    background: var(--color-option-hover);
    transform: scale(1.03);
}
.menu-btn:active {
    transform: scale(0.97);
}

.tutorial-modal {
    position: relative;
}
.tutorial-slide {
    display: none;
    text-align: left;
}
.tutorial-slide.active {
    display: block;
}
.tutorial-slide h2 {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 15px;
}
.tutorial-slide p {
    margin: 12px 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}
.tutorial-slide b {
    color: var(--text-light);
}
.tutorial-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 20px 0 15px;
}
.tutorial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transition: 0.2s;
}
.tutorial-dot.active {
    background: var(--color-record);
    transform: scale(1.2);
}
.tutorial-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}
.tutorial-actions .action-btn {
    flex: 1;
    justify-content: center;
    padding: 12px;
    font-size: 1rem;
}

.moderation-footer {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 15px;
    padding: 10px 5px 15px;
    opacity: 0.85;
    line-height: 1.5;
    flex-shrink: 0;
}
.moderation-footer a {
    color: var(--text-primary);
    text-decoration: underline;
    cursor: pointer;
}
.moderation-footer a:hover {
    color: var(--color-record);
}

@media (max-width: 600px) {
    .game-container { padding: 8px 12px; max-width: 100%; }
    .header { margin-bottom: 4px; justify-content: center; }
    h1 { font-size: 1.1rem; }
    .user-area { font-size: 0.75rem; padding: 2px 8px; }
    .top-bar { padding: 4px 8px; margin-bottom: 6px; }
    .stats { gap: 8px; font-size: 0.75rem; flex-wrap: wrap; justify-content: center; }
    .stats span i { width: 14px; font-size: 0.7rem; }
    .timer { font-size: 1.5rem; min-width: 40px; padding: 0 8px; }
    .settings-row { gap: 4px; padding: 0px; flex-wrap: wrap; justify-content: center; border-radius: 16px; }
    .setting-item { font-size: 0.65rem; }
    .setting-item i { font-size: 0.7rem; width: 14px; }
    .setting-item select, .setting-item .dir-switch { font-size: 0.7rem; height: 24px; padding: 1px 4px; }
    .setting-item .dir-switch label { font-size: 0.65rem; line-height: 20px; padding: 0 4px; }
    .setting-item .icon-btn { font-size: 0.7rem; padding: 1px 6px; height: 24px; }
    .word-card { padding: 0px; margin-bottom: 8px; border-radius: 20px; }
    .word-display { font-size: 1.6rem; }
    #wordImage { max-height: 35vh; }
    #imageCaption { font-size: 1.15rem; }
    .options-grid { gap: 6px; margin-top: 8px; }
    .option-btn { font-size: 1.1rem; padding: 8px 4px; border-radius: 20px; }
    .history-bar { margin: 6px 0; }
    .history-bar .history-text { min-width: 100px; font-size: 0.75rem; padding: 4px 8px; }
    .history-bar button { padding: 4px 10px; }
    .action-row { gap: 6px; padding-top: 5px; padding-bottom: 5px; }
    .action-btn { font-size: 0.75rem; padding: 8px 10px; flex: 1 1 40%; justify-content: center; }
    .modal { padding: 20px 0px; border-radius: 20px; }
    .modal h2 { font-size: 1.2rem; }
    .score-board { gap: 10px; padding: 12px; }
    .p-score { font-size: 1.6rem; }
    .winner-name { font-size: 1.2rem; }
    .main-menu .menu-grid { gap: 8px; }
    .menu-btn { padding: 12px 8px; font-size: 0.8rem; }
    .tutorial-slide h2 { font-size: 1.1rem; }
    .tutorial-slide p { font-size: 0.85rem; }
    .tutorial-actions .action-btn { padding: 10px; font-size: 0.9rem; }
}

@media (max-width: 360px) {
    .game-container { padding: 4px 8px; }
    h1 { font-size: 0.95rem; }
    .stats { font-size: 0.6rem; gap: 4px; }
    .stats span i { width: 12px; font-size: 0.6rem; }
    .timer { font-size: 1.2rem; min-width: 32px; padding: 0 6px; }
    .setting-item { font-size: 0.55rem; }
    .setting-item select, .setting-item .dir-switch { font-size: 0.6rem; height: 20px; }
    .setting-item .dir-switch label { font-size: 0.55rem; line-height: 18px; padding: 0 3px; }
    .setting-item .icon-btn { font-size: 0.6rem; padding: 1px 4px; height: 20px; }
    .word-display { font-size: 1.3rem; }
    #imageCaption { font-size: 1rem; }
    .option-btn { font-size: 0.75rem; padding: 6px 2px; }
    .action-btn { font-size: 0.65rem; padding: 6px 8px; }
    .modal { padding: 16px 12px; }
    .modal h2 { font-size: 1rem; }
    .p-score { font-size: 1.4rem; }
    .menu-btn { padding: 10px 6px; font-size: 0.7rem; }
}

@media (min-width: 768px) {
    .game-container {
        max-width: 800px;
        margin: 0 auto;
        border-radius: 24px;
        box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    }
}

#notification-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 90%;
    pointer-events: none;
    padding-top: env(safe-area-inset-top);
}
.notification {
    padding: 12px 20px;
    border-radius: 40px;
    background: var(--bg-notification);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    pointer-events: auto;
    animation: slideDown 0.3s ease-out;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}
.notification.success { background: rgba(46,213,115,0.9); border-color: #2ed573; }
.notification.error { background: rgba(255,71,87,0.9); border-color: #ff4757; }
.notification.warning { background: rgba(255,165,0,0.9); border-color: #ffa500; }
.notification.info { background: rgba(74,125,170,0.9); border-color: #4a7daa; }
@keyframes slideDown {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .game-container { max-width: 90%; padding: 20px 30px; }
    .header h1 { font-size: 1.8rem; }
    .word-display { font-size: 2.8rem; }
    .option-btn { font-size: 1.1rem; padding: 14px 8px; }
    .stats { font-size: 0.95rem; gap: 16px; }
    .timer { font-size: 2.4rem; min-width: 60px; }
    .settings-row { gap: 10px; padding: 10px 16px; }
    .setting-item { font-size: 0.9rem; }
    .action-btn { font-size: 1rem; padding: 10px 20px; }
    .modal { max-width: 550px; padding: 30px; }
    .modal h2 { font-size: 1.6rem; }
    .score-board { padding: 20px; gap: 20px; }
    .p-score { font-size: 2.4rem; }
}

@media (min-width: 1025px) and (max-width: 1366px) {
    .game-container { max-width: 700px; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .trophy-icon {
        animation: none !important;
    }
}

.auth-modal { position: relative; }
.auth-logo {
    width: 68px; height: 68px; margin: 0 auto 14px;
    border-radius: 22px;
    background: linear-gradient(135deg, #4fc3f7, #2ecc71);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.9rem; color: #fff;
    box-shadow: 0 10px 24px rgba(46,213,115,0.35);
}
.auth-subtitle { color: var(--text-secondary); font-size: 0.85rem; margin: -4px 0 16px; }

.auth-modal .auth-input-wrap { position: relative; margin: 10px 0; }
.auth-modal .auth-input-wrap > i {
    position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
    color: var(--placeholder-input); font-size: 0.9rem; pointer-events: none;
}
.auth-modal .auth-input-wrap input {
    width: 100%;
    padding: 13px 16px 13px 42px;
    margin: 0;
    border-radius: 16px;
    border: 1px solid rgba(127,127,127,0.25);
    background: var(--bg-input);
    color: var(--text-input);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.auth-modal .auth-input-wrap input::placeholder { color: var(--placeholder-input); }
.auth-modal .auth-input-wrap input:focus {
    border-color: #4fc3f7;
    box-shadow: 0 0 0 3px rgba(79,195,247,0.25);
}

.auth-btn-row { display: flex; gap: 10px; margin-top: 14px; }
.auth-btn-row .action-btn { flex: 1; justify-content: center; padding: 12px; border: none; }
.auth-btn-row .auth-login { background: linear-gradient(135deg, #4fc3f7, #2980b9); }
.auth-btn-row .auth-register { background: linear-gradient(135deg, #9b59b6, #8e44ad); }

.auth-divider { display: flex; align-items: center; margin: 16px 0 12px; color: var(--text-secondary); font-size: 0.8rem; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: rgba(127,127,127,0.3); }
.auth-divider span { padding: 0 12px; }

.vk-btn {
    width: 100%;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    padding: 13px; border: none; border-radius: 16px;
    background: linear-gradient(135deg, #0077ff, #0059b3);
    color: #fff; font-size: 1rem; font-weight: 600;
    cursor: pointer; transition: 0.2s;
    box-shadow: 0 6px 16px rgba(0,119,255,0.35);
    touch-action: manipulation;
}
.vk-btn:hover { transform: scale(1.02); box-shadow: 0 8px 20px rgba(0,119,255,0.45); }
.vk-btn:active { transform: scale(0.98); }

#vkOAuthError { color: #ff6b6b; font-size: 0.85rem; margin-top: 10px; display: none; }

.auth-close {
    margin-top: 14px;
    background: transparent;
    border: 1px solid rgba(127,127,127,0.3);
    color: var(--text-secondary);
    border-radius: 30px;
    padding: 8px 24px;
    cursor: pointer;
    transition: 0.2s;
    touch-action: manipulation;
}
.auth-close:hover { color: var(--text-light); border-color: rgba(255,255,255,0.3); }
.auth-privacy { margin-top: 12px; font-size: 0.75rem; }
.auth-privacy a { color: var(--text-secondary); text-decoration: underline; }

/* ============================================================
   НОВЫЕ СТИЛИ (аватарки, админка, поздравление)
   ============================================================ */
.avatar-small {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.2);
}
.avatar-medium {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.2);
    margin-right: 10px;
}
.user-list-item .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}
.user-list-item .user-name-clickable {
    cursor: pointer;
    color: #4fc3f7;
    text-decoration: underline;
}

.avatar-leaderboard {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.15);
    flex-shrink: 0;
}
.avatar-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #4fc3f7;
    color: #fff;
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.congrats-modal .confetti {
    font-size: 3rem;
    animation: confettiRain 2s infinite;
}
@keyframes confettiRain {
    0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
    100% { transform: translateY(30px) rotate(360deg); opacity: 0; }
}
.congrats-modal .trophy {
    font-size: 4rem;
    color: #ffd93d;
    filter: drop-shadow(0 0 20px rgba(255,217,61,0.6));
    animation: bounce 1.5s infinite;
}
.congrats-modal .congrats-text {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 15px 0 10px;
    background: linear-gradient(135deg, #ffd93d, #f39c12);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.congrats-modal .sub-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.admin-modal .admin-table-wrap {
    max-height: 50vh;
    overflow-y: auto;
    margin: 10px 0;
}
.admin-modal table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
.admin-modal th {
    background: rgba(255,255,255,0.1);
    padding: 6px 8px;
    text-align: left;
    position: sticky;
    top: 0;
    z-index: 2;
}
.admin-modal td {
    padding: 6px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: middle;
}
.admin-modal .actions button {
    padding: 2px 8px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.7rem;
    margin: 0 2px;
}
.admin-modal .btn-edit { background: #4fc3f7; color: #fff; }
.admin-modal .btn-delete { background: #ff4757; color: #fff; }
.admin-modal .btn-add { background: #2ed573; color: #fff; }
.admin-modal .admin-top-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.admin-modal .admin-top-bar select,
.admin-modal .admin-top-bar input,
.admin-modal .admin-top-bar button {
    padding: 6px 12px;
    border-radius: 20px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 0.85rem;
}
.admin-modal .admin-top-bar button {
    background: #2ed573;
    cursor: pointer;
}
.admin-modal .admin-top-bar button:hover {
    background: #1e8c4a;
}
.admin-modal .admin-pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 10px;
    flex-wrap: wrap;
}
.admin-modal .admin-pagination button {
    padding: 2px 10px;
    border: none;
    border-radius: 12px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    cursor: pointer;
}
.admin-modal .admin-pagination button.active {
    background: #2ed573;
}
.admin-modal .admin-pagination button:disabled {
    opacity: 0.4;
    cursor: default;
}
.admin-modal .admin-status {
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 20px;
}
.admin-modal .admin-status.success { background: rgba(46,213,115,0.3); color: #2ed573; }
.admin-modal .admin-status.error { background: rgba(255,71,87,0.3); color: #ff4757; }

@media (max-width: 600px) {
    .admin-modal .admin-top-bar { flex-direction: column; align-items: stretch; }
    .admin-modal table { font-size: 0.7rem; }
    .admin-modal th, .admin-modal td { padding: 4px 6px; }
}