/* ============================================================
   Production Settings (st- prefix, centered layout)
   ============================================================ */

.st-page {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center; /* Centers the form horizontally */
    gap: 1.5rem;
}

/* Header */
.st-header {
    width: 100%;
    max-width: 680px;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.st-heading-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.st-page-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: color-mix(in srgb, var(--bs-primary) 14%, transparent);
    color: var(--bs-primary);
    flex-shrink: 0;
}

.st-heading-group h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 0.2rem;
    letter-spacing: -0.01em;
}

.st-heading-group p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--bs-secondary-color);
}

/* Alert Banner */
.st-alert {
    width: 100%;
    max-width: 680px;
    display: flex;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    border: 1px solid;
    align-items: flex-start;
}

.st-alert-warning {
    color: var(--bs-warning);
    background: color-mix(in srgb, var(--bs-warning) 10%, var(--bs-body-bg));
    border-color: color-mix(in srgb, var(--bs-warning) 30%, transparent);
}

    .st-alert-warning strong {
        display: block;
        font-size: 0.9rem;
        margin-bottom: 0.2rem;
    }

    .st-alert-warning p {
        margin: 0;
        font-size: 0.8rem;
        opacity: 0.9;
    }

/* Card */
.st-card {
    width: 100%;
    max-width: 680px;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px -4px rgba(0,0,0,0.05);
}

.st-card-body {
    padding: 1.5rem;
}

.st-form-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.st-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.st-field-toggle {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.25rem;
    border-top: 1px solid var(--bs-border-color);
}

.st-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bs-body-color);
}

.st-hint {
    font-size: 0.75rem;
    color: var(--bs-secondary-color);
}

.st-input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    color: var(--bs-body-color);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

    .st-input:focus {
        border-color: var(--bs-primary);
        box-shadow: 0 0 0 var(--bs-focus-ring-width) var(--bs-focus-ring-color);
    }

/* Toggle Switch */
.st-switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}

    .st-switch input {
        appearance: none;
        width: 100%;
        height: 100%;
        margin: 0;
        background: var(--bs-secondary-bg);
        border-radius: 12px;
        cursor: pointer;
        transition: background-color 0.2s;
        border: 0;
    }

        .st-switch input::before {
            content: "";
            position: absolute;
            top: 2px;
            left: 2px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #fff;
            transition: transform 0.2s;
            box-shadow: 0 1px 2px rgba(0,0,0,0.2);
        }

        .st-switch input:checked {
            background: var(--bs-primary);
        }

            .st-switch input:checked::before {
                transform: translateX(18px);
            }

/* Footer */
.st-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: color-mix(in srgb, var(--bs-body-bg) 94%, var(--bs-secondary-color) 6%);
    border-top: 1px solid var(--bs-border-color);
}

.st-updated {
    font-size: 0.75rem;
    color: var(--bs-secondary-color);
}

.st-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s;
}

.st-btn-primary {
    color: #fff;
    background: var(--bs-primary);
    border-color: var(--bs-primary);
}

    .st-btn-primary:hover {
        background: var(--bs-primary-hover);
    }

/* Toast */
.st-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 200;
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    color: #fff;
    background: var(--bs-success);
    border-radius: 8px;
    box-shadow: 0 8px 24px -6px rgba(0,0,0,0.35);
    animation: stToastIn 0.25s ease;
}

@keyframes stToastIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading & Mobile */
.st-loading {
    font-size: 0.9rem;
    color: var(--bs-secondary-color);
    padding: 3rem;
}

@media (max-width: 600px) {
    .st-page {
        padding: 1.5rem 1rem;
    }

    .st-card-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .st-btn {
        justify-content: center;
    }
}