/* ============================================================
   SNACKBAR M3
   ============================================================ */
.md-snackbar {
    position: fixed;
    left: 50%;
    bottom: calc(var(--nav-bar-height) + var(--safe-bottom) + 40px);
    z-index: 40;
    min-height: 48px;
    max-width: min(560px, calc(100vw - 32px));
    padding: 14px 16px;
    border-radius: var(--md-sys-shape-corner-extra-small);
    background: var(--md-sys-color-inverse-surface);
    color: var(--md-sys-color-inverse-on-surface);
    box-shadow: var(--md-sys-elevation-level3);
    font-size: 0.875rem;
    line-height: 1.25rem;
    letter-spacing: 0.015625rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translate(-50%, 16px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized),
                opacity var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}
.md-snackbar.show { transform: translate(-50%, 0); opacity: 1; }

/* ============================================================
   DIALOG M3 (basic)
   ============================================================ */
.md-scrim {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--md-sys-color-scrim) 32%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}
.md-scrim.show { opacity: 1; pointer-events: auto; }
.md-dialog {
    width: min(560px, 100%);
    max-height: 80dvh;
    overflow-y: auto;
    padding: 24px;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface);
    box-shadow: var(--md-sys-elevation-level3);
    transform: scale(0.85);
    opacity: 0;
    transition: transform var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-emphasized),
                opacity var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.md-scrim.show .md-dialog { transform: scale(1); opacity: 1; }
.md-dialog__icon {
    display: flex;
    justify-content: center;
    color: var(--md-sys-color-secondary);
    margin-bottom: 16px;
}
.md-dialog__headline {
    font-size: 1.5rem;
    line-height: 2rem;
    text-align: center;
    margin-bottom: 16px;
}
.md-dialog__body {
    font-size: 0.875rem;
    line-height: 1.25rem;
    letter-spacing: 0.015625rem;
    color: var(--md-sys-color-on-surface-variant);
    text-align: center;
    margin-bottom: 24px;
}
.md-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}