/* Cards, Metric Strips & Toast Surfaces CSS */
.surface {
    background-color: var(--md-sys-color-surface);
    border-radius: var(--md-radius-xl);
    padding: 20px;
    box-shadow: var(--md-sys-elevation-1);
    transition: background-color var(--md-transition-normal), box-shadow var(--md-transition-normal);
}

.surface--card { display: grid; gap: 12px; align-content: start; }

.surface--login {
    width: min(400px, 92vw);
    display: grid;
    gap: 12px;
    border-radius: var(--md-radius-xl);
    padding: 28px;
    box-shadow: var(--md-sys-elevation-2);
}

.surface__title { font-size: 16px; font-weight: 600; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.db-card {
    display: grid;
    gap: 12px;
    background-color: var(--md-sys-color-surface);
    border-radius: var(--md-radius-l);
    padding: 18px;
    box-shadow: var(--md-sys-elevation-1);
    transition: transform var(--md-transition-fast), box-shadow var(--md-transition-fast);
}

.db-card__title { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.db-card__meta { display: flex; flex-wrap: wrap; gap: 6px; }

.db-card__dsn {
    font-family: var(--md-sys-font-code);
    font-size: 11px;
    color: var(--md-sys-color-on-surface-variant);
    word-break: break-all;
    background-color: var(--md-sys-color-surface-container-low);
    border-radius: var(--md-radius-s);
    padding: 10px;
}

.db-card__actions { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 28px;
    padding: 0 10px;
    border-radius: var(--md-radius-pill);
    background-color: var(--md-sys-color-surface-container-low);
    color: var(--md-sys-color-on-surface-variant);
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color var(--md-transition-fast);
}

.chip .material-symbols-rounded { font-size: 16px; }

.chip--active {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-weight: 600;
}

.metric-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.metric {
    background-color: var(--md-sys-color-surface);
    border-radius: var(--md-radius-l);
    padding: 14px 16px;
    display: grid;
    gap: 8px;
    transition: transform var(--md-transition-fast), box-shadow var(--md-transition-fast);
}

.metric__header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.metric__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--md-radius-s);
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-size: 16px;
    flex-shrink: 0;
}

.metric__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    word-break: break-word;
}

.metric__value {
    font-size: 20px;
    font-weight: 700;
    color: var(--md-sys-color-primary);
    letter-spacing: -0.02em;
}

.empty-state {
    display: grid;
    place-items: center;
    gap: 8px;
    padding: 40px 32px;
    border-radius: var(--md-radius-xl);
    background-color: var(--md-sys-color-surface);
    text-align: center;
}

.empty-state__icon { font-size: 48px; color: var(--md-sys-color-on-surface-variant); opacity: 0.6; }
.empty-state--hidden { display: none; }
.empty-state__title { font-size: 16px; font-weight: 600; }
.empty-state__text { color: var(--md-sys-color-on-surface-variant); font-size: 13px; }

.toast-host {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 200;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--md-radius-pill);
    background-color: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    box-shadow: var(--md-sys-elevation-2);
    font-size: 13px;
    font-weight: 500;
    animation: toast-slide-up var(--md-transition-expressive);
}

.toast--error { background-color: var(--md-sys-color-error-container); color: var(--md-sys-color-on-error-container); }
.toast--success { background-color: var(--md-sys-color-success-container); color: var(--md-sys-color-on-success-container); }

@keyframes toast-slide-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}