:root {
    --tg-bg: var(--tg-theme-bg-color, #ffffff);
    --tg-text: var(--tg-theme-text-color, #000000);
    --tg-hint: var(--tg-theme-hint-color, #999999);
    --tg-button: var(--tg-theme-button-color, #3390ec);
    --tg-button-text: var(--tg-theme-button-text-color, #ffffff);
    --tg-secondary-bg: var(--tg-theme-secondary-bg-color, #f1f1f1);
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; padding: 15px; margin: 0; background-color: var(--tg-bg); color: var(--tg-text); font-size: 15px; }
.hidden { display: none !important; }
.loader { text-align: center; padding-top: 50px; color: var(--tg-hint); }
.spinner { border: 4px solid var(--tg-secondary-bg); border-top: 4px solid var(--tg-button); border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 0 auto 15px; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.card { background-color: var(--tg-secondary-bg); border-radius: 12px; padding: 15px; margin-bottom: 15px; }
.card h2, .card h3 { margin-top: 0; }
.info-grid { display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; align-items: center; }
.info-grid span { color: var(--tg-hint); }
.button-grid { display: grid; gap: 10px; }
main { padding-bottom: 80px; }
.page { display: none; }
.page.active { display: block; }

nav#nav-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    background-color: var(--tg-secondary-bg);
    /* Убираем общий padding и задаем его по отдельности */
    padding-top: 10px;
    padding-left: 0;
    padding-right: 0;
    /* Вот и вся магия: */
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--tg-hint);
}

.nav-button { flex-grow: 1; text-align: center; background: none; border: none; color: var(--tg-hint); padding: 8px 0; font-size: 14px; font-weight: 500; cursor: pointer; }
.nav-button.active { color: var(--tg-button); font-weight: 700; }
.hint { color: var(--tg-hint); text-align: center; font-size: 14px; }
.key-button { display: block; width: 100%; padding: 12px; margin-bottom: 10px; border: none; background-color: var(--tg-button); color: var(--tg-button-text); border-radius: 8px; text-align: center; text-decoration: none; font-size: 16px; font-weight: 600; cursor: pointer; }
.key-item { display: flex; justify-content: space-between; align-items: center; background-color: var(--tg-bg); padding: 10px; border-radius: 8px; margin-top: 8px; }
.key-item span { font-family: monospace; }
.copy-btn { background: none; border: 1px solid var(--tg-hint); color: var(--tg-hint); border-radius: 6px; padding: 5px 10px; cursor: pointer; }
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal-backdrop { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); }
.modal-content { position: relative; background-color: var(--tg-secondary-bg); padding: 20px; border-radius: 12px; width: 90%; max-width: 350px; z-index: 1001; }
.modal-close-btn { position: absolute; top: 10px; right: 10px; background: none; border: none; font-size: 24px; color: var(--tg-hint); cursor: pointer; }
.constructor-grid { display: grid; gap: 15px; }
.slider-container { padding: 10px 0; }
.slider-container label { display: block; margin-bottom: 8px; color: var(--tg-hint); }
.slider-container input[type="range"] { width: 100%; }
.constructor-result { margin-top: 15px; padding: 15px; background-color: var(--tg-bg); border-radius: 8px; text-align: center; }
.constructor-result p { margin: 0; font-size: 18px; }
.constructor-result span { color: var(--tg-hint); font-size: 14px; }
.balance-input-container { margin-bottom: 20px; }
.balance-input-container label { display: block; margin-bottom: 8px; color: var(--tg-hint); font-size: 14px; }
.balance-input-container input[type="number"] { width: 100%; padding: 12px; border-radius: 8px; border: 1px solid var(--tg-hint); background-color: var(--tg-bg); color: var(--tg-text); font-size: 16px; box-sizing: border-box; }

.key-item-new {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--tg-bg);
    padding: 12px;
    border-radius: 8px;
    margin-top: 8px;
}
.key-item-new span {
    font-weight: 500;
}
.key-actions {
    display: flex;
    gap: 8px;
}
.key-action-btn {
    font-size: 20px;
    background: none;
    border: none;
    color: var(--tg-hint);
    cursor: pointer;
    padding: 5px;
}
.key-button.secondary {
    background-color: var(--tg-secondary-bg);
    color: var(--tg-button);
    border: 1px solid var(--tg-button);
}
#auto-setup-options hr {
    border: none;
    border-top: 1px solid var(--tg-hint);
    margin: 15px 0;
}

.platform-title {
    color: var(--tg-hint);
    margin-top: 5px;
    margin-bottom: 15px;
    font-weight: 500;
    text-align: center;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--tg-bg);
}
.history-item:last-child {
    border-bottom: none;
}
.history-item span {
    color: var(--tg-text);
}
.history-item small {
    color: var(--tg-hint);
    margin-left: 8px;
}
.history-item b {
    font-weight: 600;
}

.modal-description {
    color: var(--tg-hint);
    font-size: 14px;
    text-align: center;
    margin-top: -5px; /* Придвигаем ближе к заголовку */
    margin-bottom: 20px; /* Отодвигаем от кнопок */
    line-height: 1.4;
}