:root {
    --bg-color: var(--tg-theme-bg-color, #ffffff);
    --text-color: var(--tg-theme-text-color, #1a1a1a);
    --hint-color: var(--tg-theme-hint-color, #8e8e93);
    --button-color: var(--tg-theme-button-color, #2481cc);
    --button-text-color: var(--tg-theme-button-text-color, #ffffff);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);
    --border-color: color-mix(in srgb, var(--text-color) 12%, transparent);
}

/* Dark theme — applied when body.dark (web only; Telegram manages its own theme) */
body.dark {
    --bg-color: #1c1c1e;
    --text-color: #f2f2f7;
    --hint-color: #8e8e93;
    --button-color: #0a84ff;
    --button-text-color: #ffffff;
    --secondary-bg: #2c2c2e;
    --border-color: rgba(255, 255, 255, 0.12);
}

/* Theme toggle button */
.btn-theme {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 10px;
    line-height: 1.4;
    color: var(--text-color);
}

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

body {
    font-family: Tahoma, 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    direction: rtl;
}

.app {
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 20px 32px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 28px;
}

.header__title {
    font-size: 1.75rem;
    font-weight: 700;
}

.main {
    min-height: 240px;
}

.state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 48px 16px;
    text-align: center;
    color: var(--hint-color);
}

.state[hidden],
.hub[hidden] {
    display: none !important;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--secondary-bg);
    border-top-color: var(--button-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.state--error {
    color: var(--text-color);
}

.btn {
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    background: var(--button-color);
    color: var(--button-text-color);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.hub-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
}

.hub-card__label {
    font-size: 0.85rem;
    color: var(--hint-color);
    margin-bottom: 8px;
}

.hub-card__name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    word-break: break-word;
}

.hub-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.hub-card__meta-label {
    font-size: 0.9rem;
    color: var(--hint-color);
}

.hub-card__meta-value {
    font-size: 0.95rem;
    font-weight: 600;
}

.games {
    margin-top: 24px;
}

.games__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--hint-color);
}

.game-tile {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-color);
    transition: opacity 0.15s;
}

.game-tile:active {
    opacity: 0.8;
}

.game-tile__icon {
    font-size: 1.75rem;
    line-height: 1;
}

.game-tile__info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.game-tile__name {
    font-size: 1.05rem;
    font-weight: 700;
}

.game-tile__desc {
    font-size: 0.85rem;
    color: var(--hint-color);
}

.hub-note {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--hint-color);
}

/* --- Web Login Overlay --- */
.login-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    padding: 24px;
}

.login-overlay[hidden] {
    display: none !important;
}

.login-card {
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.login-logo {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-tagline {
    font-size: 0.95rem;
    color: var(--hint-color);
    margin-bottom: 32px;
}

.login-input {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: 14px;
    background: var(--secondary-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 12px;
    outline: none;
    transition: border-color 0.15s;
}

.login-input:focus {
    border-color: var(--button-color);
}

.login-error {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 8px;
}

.login-error[hidden] {
    display: none;
}

.login-footer {
    margin-top: 28px;
    font-size: 0.8rem;
    color: var(--hint-color);
}

.login-footer button {
    background: none;
    border: none;
    color: var(--button-color);
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}