/* ==========================================================================
   Cargo tracking demo — traditional freight-office styling
   Kraft paper tones, forest green accents, manifest forms & tables.
   ========================================================================== */

:root {
    /* Green cargo palette */
    --color-primary: #1F4D2E;
    --color-primary-dark: #163A22;
    --color-primary-hover: #2A6339;
    --color-primary-soft: #E6EFE8;
    --color-accent: #4A7C59;

    /* Paper & ink */
    --color-paper: #F6F1E8;
    --color-paper-dark: #E8E0D2;
    --color-ink: #2A2419;
    --color-text-secondary: #5C5347;
    --color-border: #B8AA96;
    --color-border-dark: #7A6E5C;
    --color-surface: #FFFCF7;

    /* Exception / hold */
    --color-warning: #8B5A14;
    --color-warning-soft: #F3E8D4;

    /* Type */
    --font-serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
    --font-sans: "Source Sans 3", "Segoe UI", Tahoma, sans-serif;
    --font-mono: "Courier New", Courier, monospace;
}

/* --- Base ---------------------------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-ink);
    background: var(--color-paper);
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 23px,
            rgba(184, 170, 150, 0.08) 23px,
            rgba(184, 170, 150, 0.08) 24px
        );
}

button {
    font: inherit;
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* --- Top cargo stripe bar ------------------------------------------------ */

.cargo-stripes {
    height: 8px;
    background: repeating-linear-gradient(
        -45deg,
        var(--color-primary-dark),
        var(--color-primary-dark) 8px,
        var(--color-accent) 8px,
        var(--color-accent) 16px,
        #C4A35A 16px,
        #C4A35A 24px
    );
}

/* --- Layout -------------------------------------------------------------- */

.site-header,
.page,
.site-footer {
    width: min(100% - 2rem, 820px);
    margin-inline: auto;
}

/* --- Header -------------------------------------------------------------- */

.site-header {
    background: var(--color-primary);
    color: #F4F7F4;
    border-bottom: 4px double #C4A35A;
    margin-top: 0;
}

.header-inner {
    padding: 1.1rem 1.25rem 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 46px;
    height: 46px;
    color: #D4E8D8;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.logo-tag {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #B8D4BE;
}

.header-est {
    margin: 0.65rem 0 0;
    padding-top: 0.55rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.82rem;
    font-style: italic;
    color: #C8DECC;
}

/* --- Hero / inquiry panel ------------------------------------------------ */

.page {
    padding-block: 1.75rem 3rem;
}

.hero-panel {
    background: var(--color-surface);
    border: 2px solid var(--color-border-dark);
    border-top: 6px solid var(--color-primary);
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: 4px 4px 0 rgba(42, 36, 25, 0.08);
}

.panel-label {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-primary);
}

.hero-title {
    margin: 0 0 0.5rem;
    font-family: var(--font-serif);
    font-size: clamp(1.55rem, 4.5vw, 2.1rem);
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.25;
}

.hero-subline {
    margin: 0 0 1.5rem;
    max-width: 52ch;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* --- Traditional form ---------------------------------------------------- */

.form-row {
    max-width: 100%;
}

.field-label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-ink);
}

.track-field {
    display: flex;
    border: 2px solid var(--color-border-dark);
    background: #FFF;
}

.track-field:focus-within {
    border-color: var(--color-primary);
    box-shadow: inset 0 0 0 1px var(--color-primary);
}

.track-input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink);
    padding: 0.7rem 0.85rem;
}

.track-input::placeholder {
    color: #A89E8E;
    font-weight: 600;
}

.track-input:focus {
    outline: none;
}

.track-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 7.5rem;
    padding: 0.7rem 1.25rem;
    border: 0;
    border-left: 2px solid var(--color-primary-dark);
    background: var(--color-primary);
    color: #FFF;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.track-button:hover {
    background: var(--color-primary-hover);
}

.field-hint {
    margin: 0.45rem 0 0;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-style: italic;
}

.track-button-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #FFF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.track-button.is-loading {
    pointer-events: none;
}

.track-button.is-loading .track-button-label {
    display: none;
}

.track-button.is-loading .track-button-spinner {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.input-error {
    margin: 0.55rem 0 0;
    padding: 0.45rem 0.65rem;
    border: 1px dashed var(--color-primary);
    background: var(--color-primary-soft);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

/* --- Results ------------------------------------------------------------- */

.results {
    padding-top: 1.5rem;
}

.card {
    background: var(--color-surface);
    border: 2px solid var(--color-border-dark);
    box-shadow: 4px 4px 0 rgba(42, 36, 25, 0.08);
}

.card-enter {
    animation: card-in 0.35s ease both;
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Manifest document header */
.manifest-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-primary);
    color: #F4F7F4;
    border-bottom: 3px double #C4A35A;
}

.manifest-title {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.manifest-ref {
    margin: 0.2rem 0 0;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.manifest-stamp {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 2px solid rgba(255, 255, 255, 0.55);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(0, 0, 0, 0.15);
}

.manifest-stamp svg {
    width: 14px;
    height: 14px;
}

.manifest-stamp--delivered {
    border-color: #D4E8D8;
    background: var(--color-primary-dark);
}

.manifest-stamp--exception {
    border-color: #E8C88A;
    background: var(--color-warning);
    color: #FFF;
}

.manifest-body {
    padding: 1.25rem;
}

/* Routing summary table */
.route-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
}

.route-table th,
.route-table td {
    border: 1px solid var(--color-border);
    padding: 0.55rem 0.75rem;
    text-align: left;
    vertical-align: top;
}

.route-table th {
    width: 28%;
    background: var(--color-paper-dark);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-dark);
}

.route-table td {
    background: #FFF;
    font-weight: 600;
}

.route-table .route-arrow {
    color: var(--color-primary);
    padding-inline: 0.35rem;
    font-weight: 700;
}

/* Segmented progress (traditional station markers) */
.progress-section {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px dashed var(--color-border-dark);
    background: var(--color-paper);
}

.progress-label {
    margin: 0 0 0.75rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary-dark);
}

.progress-track {
    height: 14px;
    border: 1px solid var(--color-border-dark);
    background: #FFF;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: repeating-linear-gradient(
        90deg,
        var(--color-primary) 0,
        var(--color-primary) 8px,
        var(--color-accent) 8px,
        var(--color-accent) 16px
    );
    transition: width 0.8s ease;
}

.progress-percent {
    margin: 0.4rem 0 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.milestones {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    border: 1px solid var(--color-border);
}

.milestones li {
    padding: 0.45rem 0.25rem;
    border-right: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    background: #FFF;
}

.milestones li:last-child {
    border-right: 0;
}

.milestones li.is-reached {
    background: var(--color-primary-soft);
    color: var(--color-primary-dark);
}

/* Scan log table (traditional manifest ledger) */
.timeline-heading {
    margin: 0 0 0.65rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--color-primary);
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.scan-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.scan-table thead th {
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--color-border-dark);
    background: var(--color-primary);
    color: #FFF;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-align: left;
}

.scan-table tbody td {
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--color-border);
    vertical-align: top;
    background: #FFF;
}

.scan-table tbody tr:nth-child(even) td {
    background: var(--color-paper);
}

.scan-table tbody tr.is-current td {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
}

.scan-table tbody tr.is-exception td {
    background: var(--color-warning-soft);
}

.scan-table tbody tr.is-exception .scan-status {
    color: var(--color-warning);
    font-weight: 700;
}

.scan-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    white-space: nowrap;
}

.scan-location {
    font-weight: 600;
    color: var(--color-ink);
}

.scan-status {
    font-weight: 700;
    color: var(--color-primary-dark);
}

.scan-remarks {
    color: var(--color-text-secondary);
    font-size: 0.84rem;
}

/* Not found */
.card-empty {
    padding: 2rem 1.5rem;
    text-align: center;
}

.card-empty .card-empty-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.card-empty h2 {
    margin: 0 0 0.35rem;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--color-primary-dark);
}

.card-empty p {
    margin: 0;
    color: var(--color-text-secondary);
}

/* --- Footer -------------------------------------------------------------- */

.site-footer {
    padding-block: 1.5rem 2.5rem;
    text-align: center;
}

.footer-rule {
    height: 3px;
    margin-bottom: 1rem;
    background: repeating-linear-gradient(
        90deg,
        var(--color-primary) 0,
        var(--color-primary) 12px,
        transparent 12px,
        transparent 16px
    );
}

.footer-note {
    margin: 0;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

/* --- Mobile -------------------------------------------------------------- */

@media (max-width: 640px) {
    .track-field {
        flex-direction: column;
    }

    .track-button {
        width: 100%;
        border-left: 0;
        border-top: 2px solid var(--color-primary-dark);
    }

    .milestones {
        grid-template-columns: 1fr;
    }

    .milestones li {
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .milestones li:last-child {
        border-bottom: 0;
    }

    /* Stack scan table on small screens */
    .scan-table thead {
        display: none;
    }

    .scan-table,
    .scan-table tbody,
    .scan-table tr,
    .scan-table td {
        display: block;
        width: 100%;
    }

    .scan-table tr {
        margin-bottom: 0.75rem;
        border: 1px solid var(--color-border);
    }

    .scan-table td {
        border: 0;
        border-bottom: 1px dashed var(--color-border);
        padding: 0.4rem 0.65rem;
    }

    .scan-table td:last-child {
        border-bottom: 0;
    }

    .scan-table td::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 0.15rem;
        font-size: 0.65rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--color-primary-dark);
    }
}

@media (prefers-reduced-motion: reduce) {
    .card-enter { animation: none; }
    .progress-fill { transition: none; }
}