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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    padding: 0 16px 80px;
    min-height: 100vh;
    overflow-x: hidden;
}

h1 {
    font-size: 22px;
    margin: 16px 0 12px;
}

h2 {
    font-size: 17px;
    margin: 20px 0 10px;
    color: var(--tg-theme-hint-color, #999);
}

/* Навигация */
.tabs {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-top: 1px solid var(--tg-theme-hint-color, #ccc);
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.tab {
    flex: 1;
    padding: 12px 0;
    border: none;
    background: none;
    font-size: 22px;
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.2s;
}

.tab.active {
    opacity: 1;
}

/* Страницы */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Карточки */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin: 12px 0;
}

.card {
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.card p {
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999);
    line-height: 1.5;
}

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

.card-label {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #999);
    margin-top: 4px;
}

/* Топ */
.top-list {
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-radius: 12px;
    overflow: hidden;
}

.top-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
    border-bottom: 1px solid var(--tg-theme-bg-color, #fff);
}

.top-item:last-child {
    border-bottom: none;
}

.top-rank {
    font-size: 16px;
    font-weight: 700;
    width: 24px;
    text-align: center;
}

.top-name {
    flex: 1;
    font-size: 15px;
}

.top-count {
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999);
}

/* Профиль */
.profile-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
    margin: 12px 0;
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-radius: 16px;
}

.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background-color: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #fff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 12px;
}

.profile-name {
    font-size: 20px;
    font-weight: 600;
}

.profile-username {
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999);
    margin-top: 2px;
}

/* Игра 2048 */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 12px 0;
}

.game-score {
    font-size: 18px;
    font-weight: 700;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    background-color: var(--tg-theme-hint-color, #bbada0);
    border-radius: 12px;
    padding: 8px;
    aspect-ratio: 1;
    max-width: 360px;
    margin: 0 auto;
    touch-action: none;
}

.game-cell {
    aspect-ratio: 1;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 24px;
    transition: all 0.1s ease;
}

.game-hint {
    text-align: center;
    font-size: 13px;
    color: var(--tg-theme-hint-color, #999);
    margin-top: 12px;
}

/* Цвета ячеек 2048 */
.cell-0    { background: var(--tg-theme-secondary-bg-color, #cdc1b4); }
.cell-2    { background: #eee4da; color: #776e65; }
.cell-4    { background: #ede0c8; color: #776e65; }
.cell-8    { background: #f2b179; color: #f9f6f2; }
.cell-16   { background: #f59563; color: #f9f6f2; }
.cell-32   { background: #f67c5f; color: #f9f6f2; }
.cell-64   { background: #f65e3b; color: #f9f6f2; }
.cell-128  { background: #edcf72; color: #f9f6f2; font-size: 20px; }
.cell-256  { background: #edcc61; color: #f9f6f2; font-size: 20px; }
.cell-512  { background: #edc850; color: #f9f6f2; font-size: 20px; }
.cell-1024 { background: #edc53f; color: #f9f6f2; font-size: 16px; }
.cell-2048 { background: #edc22e; color: #f9f6f2; font-size: 16px; }

/* Формы */
.form-group {
    margin: 12px 0;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--tg-theme-hint-color, #999);
}

.input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--tg-theme-hint-color, #ccc);
    border-radius: 10px;
    font-size: 15px;
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    color: var(--tg-theme-text-color, #000);
    -webkit-appearance: none;
}

.input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #3390ec);
}

textarea.input {
    resize: vertical;
    font-family: inherit;
}

/* Кнопки */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
    color: var(--tg-theme-text-color, #000);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background-color: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #fff);
    font-size: 16px;
    margin-top: 8px;
}

.btn-primary:active {
    opacity: 0.8;
}

/* Статус */
.status {
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    margin-top: 12px;
}

.status.success {
    background-color: #d4edda;
    color: #155724;
}

.status.error {
    background-color: #f8d7da;
    color: #721c24;
}

/* Список сообщений (админ) */
.messages-list {
    margin-top: 12px;
    max-height: 60vh;
    overflow-y: auto;
    border-radius: 12px;
    background-color: var(--tg-theme-secondary-bg-color, #f0f0f0);
}

.msg-item {
    padding: 10px 14px;
    border-bottom: 1px solid var(--tg-theme-bg-color, #fff);
}

.msg-item:last-child {
    border-bottom: none;
}

.msg-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
}

.msg-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--tg-theme-button-color, #3390ec);
}

.msg-time {
    font-size: 11px;
    color: var(--tg-theme-hint-color, #999);
}

.msg-text {
    font-size: 14px;
    line-height: 1.4;
    word-break: break-word;
}

.msg-total {
    text-align: center;
    font-size: 13px;
    color: var(--tg-theme-hint-color, #999);
    padding: 8px;
}

/* Медиа-сообщения */
.media-item {
    padding: 10px 14px;
    border-bottom: 1px solid var(--tg-theme-bg-color, #fff);
}

.media-item:last-child {
    border-bottom: none;
}

.media-info {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #999);
    margin: 4px 0 8px;
}

.media-player {
    width: 100%;
    height: 40px;
    border-radius: 8px;
}

.media-video-player {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto;
    background: #000;
}

.media-no-file {
    font-size: 13px;
    color: var(--tg-theme-hint-color, #999);
    font-style: italic;
}

/* Утилиты */
.loading {
    text-align: center;
    padding: 20px;
    color: var(--tg-theme-hint-color, #999);
    font-size: 14px;
}