/* --- Tracking Portal --- */
.tracking-portal {
    background-color: var(--color-gray-50);
    min-height: 100vh;
    padding: var(--space-12) 0 var(--space-24) 0;
}

.tracking-portal__container {
    max-width: 900px;
    margin: 0 auto;
}

.tracking-portal__header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.tracking-portal__title {
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: var(--space-6);
    color: var(--color-text-heading);
}

.tracking-portal__search-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

/* --- Tracking States --- */
.tracking-state {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
}

.tracking-state--empty,
.tracking-state--error {
    text-align: center;
    padding: var(--space-16) var(--space-6);
}

.tracking-state--error {
    border-color: #fecaca; /* Red 200 */
}

.tracking-state__icon {
    color: var(--color-gray-400);
    margin-bottom: var(--space-4);
    display: flex;
    justify-content: center;
}

.tracking-state__icon--error {
    color: #ef4444; /* Red 500 */
}

.tracking-state__title {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
    color: var(--color-text-heading);
}

.tracking-state__desc {
    color: var(--color-gray-500);
    max-width: 400px;
    margin: 0 auto var(--space-6) auto;
}

/* --- Tracking Results --- */
.tracking-state--results {
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.tracking-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}
@media (min-width: 768px) {
    .tracking-card {
        padding: var(--space-8);
    }
}

.tracking-card__title {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-text-heading);
}

.tracking-card__subtitle {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.tracking-card__section {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-gray-100);
}

.tracking-results__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}
@media (min-width: 768px) {
    .tracking-results__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.tracking-card__details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    font-size: 0.875rem;
}

.tracking-card__events {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* --- Skeletons --- */
.skeleton {
    background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton--title {
    height: 24px;
    margin-bottom: var(--space-6);
}

.skeleton--text {
    height: 16px;
    margin-bottom: var(--space-2);
}

.skeleton--w25 { width: 25%; }
.skeleton--w33 { width: 33.33%; }
.skeleton--w50 { width: 50%; }
.skeleton--w60 { width: 60%; }
.skeleton--w75 { width: 75%; }
.skeleton--w80 { width: 80%; }
.skeleton--w100 { width: 100%; }

.tracking-skeleton__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.tracking-skeleton__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Tracking Summary (Dynamic) --- */
.tracking-summary__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}
@media (min-width: 768px) {
    .tracking-summary__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.tracking-summary__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.tracking-summary__carrier-badge {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
}
.tracking-summary__carrier-badge img {
    max-width: 100%;
    max-height: 100%;
    filter: brightness(0) invert(1);
}

.tracking-summary__carrier-name,
.tracking-summary__status-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

.tracking-summary__tracking-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-heading);
}

.tracking-summary__right {
    text-align: left;
}
@media (min-width: 768px) {
    .tracking-summary__right {
        text-align: right;
    }
}

.tracking-summary__status-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
@media (min-width: 768px) {
    .tracking-summary__status-value {
        justify-content: flex-end;
    }
}

.tracking-summary__status-indicator {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
    animation: tracking-pulse 2s infinite;
}
@keyframes tracking-pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

.tracking-summary__updated-time {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    margin-top: var(--space-1);
}

.tracking-summary__actions {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: flex-end;
}

.tracking-summary__copy-btn {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    background: transparent;
    border: none;
    transition: color var(--transition-fast);
}
.tracking-summary__copy-btn:hover {
    color: var(--color-text-heading);
}

/* --- Tracking Detail Grid (Dynamic) --- */
.tracking-detail__item {
    margin-bottom: var(--space-4);
}
.tracking-detail__label {
    color: var(--color-gray-400);
}
.tracking-detail__value {
    color: var(--color-text-heading);
}
.tracking-detail__value--eta {
    color: var(--color-primary);
    font-size: 1.125rem;
}
.tracking-detail__item--full {
    grid-column: 1 / -1;
}

/* --- Tracking Timeline (Dynamic) --- */
.tracking-timeline {
    margin-left: 12px;
    border-left: 2px solid var(--color-gray-100);
    padding-bottom: var(--space-4);
}

.tracking-timeline__step {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-8);
}
.tracking-timeline__step:last-child {
    margin-bottom: 0;
}

.tracking-timeline__icon {
    position: absolute;
    left: -9px; /* Align to the border-left of parent (2px border, 16px wide icon -> -9px offset) */
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--color-gray-200);
    background-color: var(--color-white);
}
.tracking-timeline__step--completed .tracking-timeline__icon {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
}

.tracking-timeline__text {
    color: var(--color-gray-400);
}
.tracking-timeline__step--completed .tracking-timeline__text {
    color: var(--color-text-heading);
    font-weight: 700;
}

/* --- Tracking Events (Dynamic) --- */
.tracking-event {
    background-color: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    font-size: 0.875rem;
}

.tracking-event__title {
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: var(--space-1);
}

.tracking-event__meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    color: var(--color-gray-500);
}
@media (min-width: 576px) {
    .tracking-event__meta {
        flex-direction: row;
        align-items: center;
        gap: var(--space-4);
    }
}

.tracking-event__meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}