.rts-tracking-system {
    --rts-track-navy: var(--rts-navy, #071e39);
    --rts-track-red: var(--rts-red, #e61f2d);
    --rts-track-orange: var(--rts-orange, #f44a12);
    --rts-track-ink: var(--rts-ink, #142033);
    --rts-track-muted: var(--rts-muted, #667085);
    --rts-track-line: var(--rts-line, #dce3eb);
    --rts-track-soft: var(--rts-soft, #f4f7fa);
    --rts-track-soft-blue: var(--rts-soft-blue, #edf4fb);
    width: min(calc(100% - 32px), 980px);
    margin: 0 auto;
    color: var(--rts-track-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

.rts-tracking-system *,
.rts-tracking-system *::before,
.rts-tracking-system *::after {
    box-sizing: border-box;
}

.rts-track-hero {
    padding: 14px 0 28px;
    text-align: center;
}

.rts-track-eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    margin-bottom: 14px;
    padding: 7px 13px;
    border: 1px solid rgba(230, 31, 45, 0.18);
    border-radius: 999px;
    background: #fff;
    color: var(--rts-track-red);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .12em;
}

.rts-track-hero h2 {
    margin: 0 !important;
    color: var(--rts-track-navy) !important;
    font-size: clamp(34px, 5vw, 52px) !important;
    font-weight: 900 !important;
    letter-spacing: -.04em;
    line-height: 1.15 !important;
}

.rts-track-hero p {
    max-width: 720px;
    margin: 16px auto 0 !important;
    color: #455468;
    font-size: clamp(17px, 2vw, 20px) !important;
    line-height: 1.8;
}

.rts-track-form {
    padding: 30px;
    border: 1px solid var(--rts-track-line);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 16px 40px rgba(7, 30, 57, .10);
}

.rts-track-form label {
    display: block;
    margin-bottom: 10px;
    color: var(--rts-track-navy);
    font-size: 17px;
    font-weight: 800;
}

.rts-track-search-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
}

.rts-track-search-row input {
    width: 100%;
    min-height: 56px;
    margin: 0 !important;
    padding: 13px 16px !important;
    border: 1.5px solid #cdd6e0 !important;
    border-radius: 14px !important;
    background: #fff !important;
    color: var(--rts-track-ink) !important;
    font: inherit !important;
    font-size: 17px !important;
    box-shadow: none !important;
    outline: none;
}

.rts-track-search-row input:focus {
    border-color: var(--rts-track-navy) !important;
    box-shadow: 0 0 0 4px rgba(7, 30, 57, .08) !important;
}

.rts-track-search-row button {
    min-height: 56px;
    padding: 13px 26px;
    border: 0;
    border-radius: 999px;
    background: var(--rts-track-navy);
    color: #fff;
    font: inherit;
    font-size: 16px;
    font-weight: 850;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(7, 30, 57, .16);
    transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.rts-track-search-row button:hover {
    background: var(--rts-track-red);
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(230, 31, 45, .18);
}

.rts-track-search-row button:disabled {
    opacity: .65;
    cursor: wait;
    transform: none;
}

.rts-track-hint {
    margin: 14px 0 0 !important;
    color: var(--rts-track-muted);
    font-size: 14px !important;
    line-height: 1.65;
}

.rts-track-message {
    margin-top: 18px;
    padding: 0;
    color: var(--rts-track-muted);
    font-size: 15px;
    text-align: center;
}

.rts-track-message.is-error {
    padding: 14px 18px;
    border: 1px solid rgba(180, 35, 24, .18);
    border-radius: 14px;
    background: #fff4f2;
    color: #9c2b20;
}

.rts-track-result {
    margin-top: 22px;
    overflow: hidden;
    border: 1px solid var(--rts-track-line);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 18px 46px rgba(7, 30, 57, .11);
}

.rts-track-result[hidden] {
    display: none !important;
}

.rts-track-result-head {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    padding: 26px 28px;
    border-bottom: 1px solid var(--rts-track-line);
    background: linear-gradient(135deg, #fff, var(--rts-track-soft-blue));
}

.rts-track-result-label {
    margin-bottom: 4px;
    color: var(--rts-track-muted);
    font-size: 13px;
    font-weight: 700;
}

.rts-track-reference {
    color: var(--rts-track-navy);
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 900;
    letter-spacing: -.02em;
    word-break: break-word;
}

.rts-track-status {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--rts-track-navy);
    color: #fff;
    font-size: 14px;
    font-weight: 850;
    white-space: nowrap;
}

.rts-track-status.is-success { background: #14804a; }
.rts-track-status.is-danger { background: #b42318; }
.rts-track-status.is-active { background: var(--rts-track-navy); }
.rts-track-status.is-warning { background: #b76e00; }

.rts-track-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    padding: 8px 28px 28px;
}

.rts-track-item {
    min-width: 0;
    padding: 20px 18px;
    border-bottom: 1px solid #edf0f4;
}

.rts-track-item--full {
    grid-column: 1 / -1;
}

.rts-track-item span {
    display: block;
    margin-bottom: 7px;
    color: var(--rts-track-muted);
    font-size: 13px;
    font-weight: 700;
}

.rts-track-item strong {
    display: block;
    color: var(--rts-track-navy);
    font-size: 16px;
    font-weight: 780;
    line-height: 1.7;
    white-space: pre-line;
    word-break: break-word;
}

@media (max-width: 768px) {
    .rts-tracking-system {
        width: calc(100% - 24px);
    }

    .rts-track-hero {
        padding-top: 4px;
        padding-bottom: 22px;
    }

    .rts-track-form {
        padding: 20px 16px;
        border-radius: 20px;
    }

    .rts-track-search-row {
        grid-template-columns: 1fr;
    }

    .rts-track-search-row button {
        width: 100%;
    }

    .rts-track-result {
        border-radius: 20px;
    }

    .rts-track-result-head {
        align-items: flex-start;
        flex-direction: column;
        padding: 22px 18px;
    }

    .rts-track-grid {
        grid-template-columns: 1fr;
        padding: 4px 18px 20px;
    }

    .rts-track-item,
    .rts-track-item--full {
        grid-column: 1;
        padding: 17px 4px;
    }
}

/* v1.2.0 - Home quick tracking */
.rts-tracking-quick {
    --rts-track-navy: var(--rts-navy, #071e39);
    --rts-track-red: var(--rts-red, #e61f2d);
    --rts-track-ink: var(--rts-ink, #10233d);
    --rts-track-muted: var(--rts-muted, #65748a);
    --rts-track-line: var(--rts-line, #dce3eb);
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
    padding: 34px;
    border: 1px solid var(--rts-track-line);
    border-radius: 28px;
    background: rgba(255,255,255,.96);
    box-shadow: 0 18px 50px rgba(7,30,57,.10);
    color: var(--rts-track-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    box-sizing: border-box;
}

.rts-tracking-quick *,
.rts-tracking-quick *::before,
.rts-tracking-quick *::after { box-sizing: border-box; }

.rts-track-quick-eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 12px;
    margin-bottom: 14px;
    border: 1px solid rgba(230,31,45,.18);
    border-radius: 999px;
    color: var(--rts-track-red);
    background: #fff;
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .12em;
}

.rts-tracking-quick h2 {
    margin: 0 !important;
    color: var(--rts-track-navy) !important;
    font-size: clamp(28px, 3vw, 40px) !important;
    font-weight: 900 !important;
    line-height: 1.2 !important;
    letter-spacing: -.035em;
}

.rts-track-quick-copy {
    margin: 12px 0 22px !important;
    color: #536277;
    font-size: 16px !important;
    line-height: 1.75;
}

.rts-track-quick-form label {
    display: block;
    margin-bottom: 9px;
    color: var(--rts-track-navy);
    font-size: 15px;
    font-weight: 800;
}

.rts-track-quick-row {
    display: grid;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 10px;
}

.rts-track-quick-row input {
    width: 100%;
    min-width: 0;
    min-height: 54px;
    margin: 0 !important;
    padding: 12px 15px !important;
    border: 1.5px solid #cdd6e0 !important;
    border-radius: 14px !important;
    background: #fff !important;
    color: var(--rts-track-ink) !important;
    font: inherit !important;
    font-size: 16px !important;
    box-shadow: none !important;
    outline: none;
}

.rts-track-quick-row input:focus {
    border-color: var(--rts-track-navy) !important;
    box-shadow: 0 0 0 4px rgba(7,30,57,.08) !important;
}

.rts-track-quick-row button {
    min-height: 54px;
    padding: 12px 22px;
    border: 0;
    border-radius: 999px;
    background: var(--rts-track-navy);
    color: #fff;
    font: inherit;
    font-size: 15px;
    font-weight: 850;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: 0 10px 24px rgba(7,30,57,.16);
}

.rts-track-quick-row button:hover { background: var(--rts-track-red); }

.rts-track-quick-hint {
    margin: 12px 0 0 !important;
    color: var(--rts-track-muted);
    font-size: 13px !important;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .rts-tracking-quick {
        max-width: none;
        padding: 24px 20px;
        border-radius: 22px;
        text-align: center;
    }

    .rts-track-quick-copy { font-size: 16px !important; }
    .rts-track-quick-form label { text-align: left; }
    .rts-track-quick-row { grid-template-columns: 1fr; }
    .rts-track-quick-row button { width: 100%; }
    .rts-track-quick-hint { text-align: left; }
}


/* =========================================================
   v1.3.0 - Customer progress timeline
   ========================================================= */
.rts-track-progress {
    padding: 26px 28px 8px;
    border-bottom: 1px solid var(--rts-track-line);
    background: #fff;
}

.rts-track-progress[hidden] {
    display: none !important;
}

.rts-track-progress-head {
    display: flex;
    gap: 18px;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 20px;
}

.rts-track-progress-head > div > span {
    display: block;
    margin-bottom: 4px;
    color: var(--rts-track-muted);
    font-size: 13px;
    font-weight: 750;
}

.rts-track-progress-head h3 {
    margin: 0 !important;
    color: var(--rts-track-navy) !important;
    font-size: 22px !important;
    font-weight: 880 !important;
    line-height: 1.3 !important;
}

.rts-track-progress-head p {
    margin: 0 !important;
    color: var(--rts-track-muted);
    font-size: 13px !important;
    line-height: 1.5;
    white-space: nowrap;
}

.rts-track-progress-notice {
    margin: 0 0 18px;
    padding: 13px 15px;
    border: 1px solid rgba(183, 110, 0, .20);
    border-radius: 13px;
    background: #fff8e8;
    color: #77510b;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.65;
}

.rts-track-timeline {
    display: grid;
    gap: 0;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
}

.rts-track-step {
    position: relative;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    min-height: 68px;
    margin: 0 !important;
    padding: 0 0 15px !important;
    list-style: none !important;
}

.rts-track-step::before {
    content: "";
    position: absolute;
    top: 38px;
    bottom: -2px;
    left: 20px;
    width: 2px;
    background: #e2e7ed;
}

.rts-track-step:last-child::before {
    display: none;
}

.rts-track-step-marker {
    position: relative;
    z-index: 1;
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 2px solid #d7dee7;
    border-radius: 50%;
    background: #fff;
    color: #98a2b3;
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
}

.rts-track-step-body {
    min-width: 0;
    padding: 5px 0 10px;
}

.rts-track-step-body strong {
    display: block;
    color: #647084;
    font-size: 16px;
    font-weight: 780;
    line-height: 1.45;
}

.rts-track-step-state {
    display: block;
    margin-top: 3px;
    color: #98a2b3;
    font-size: 13px;
    font-weight: 650;
}

.rts-track-step.is-done::before {
    background: #9cc8b0;
}

.rts-track-step.is-done .rts-track-step-marker {
    border-color: #14804a;
    background: #14804a;
    color: #fff;
}

.rts-track-step.is-done .rts-track-step-body strong {
    color: #2f5e43;
}

.rts-track-step.is-done .rts-track-step-state {
    color: #14804a;
}

.rts-track-step.is-current .rts-track-step-marker {
    border-color: var(--rts-track-red);
    background: var(--rts-track-red);
    color: #fff;
    box-shadow: 0 0 0 5px rgba(230, 31, 45, .10);
}

.rts-track-step.is-current .rts-track-step-body strong {
    color: var(--rts-track-navy);
    font-size: 17px;
    font-weight: 900;
}

.rts-track-step.is-current .rts-track-step-state {
    color: var(--rts-track-red);
    font-weight: 800;
}

@media (max-width: 768px) {
    .rts-track-progress {
        padding: 22px 18px 6px;
    }

    .rts-track-progress-head {
        display: block;
        margin-bottom: 18px;
    }

    .rts-track-progress-head p {
        margin-top: 8px !important;
        white-space: normal;
    }

    .rts-track-step {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
        min-height: 64px;
    }

    .rts-track-step-marker {
        width: 38px;
        height: 38px;
    }

    .rts-track-step::before {
        top: 34px;
        left: 18px;
    }
}


/* =========================================================
   v1.4.0 - 真實狀態歷史
   只顯示真正儲存／匯入過的狀態，不預先列出未發生流程。
   ========================================================= */
.rts-track-step-location {
    display: block;
    margin-top: 4px;
    color: #667085;
    font-size: 13px;
    font-weight: 650;
    line-height: 1.5;
}

.rts-track-step.is-current .rts-track-step-location {
    color: #536277;
}

.rts-track-progress-head > div > span {
    letter-spacing: .01em;
}

/* =========================================================
   v1.4.1 - 移除狀態紀錄右側圖例
   真實歷史模式不再使用「待處理」圖例。
   ========================================================= */
.rts-track-progress-head > p {
    display: none !important;
}



/* =========================================================
   v1.4.2 - Timeline 簡化
   1. 狀態圓點縮小至接近文字大小
   2. Timeline 不再重複顯示位置；位置只保留下方「目前位置」
   ========================================================= */

.rts-track-step {
    grid-template-columns: 20px minmax(0, 1fr) !important;
    gap: 10px !important;
    min-height: 54px !important;
    padding-bottom: 12px !important;
}

.rts-track-step-marker {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    min-height: 18px !important;
    border-width: 1.5px !important;
    font-size: 7px !important;
    line-height: 1 !important;
    box-shadow: none !important;
    align-self: start !important;
    margin-top: 5px !important;
}

.rts-track-step.is-done .rts-track-step-marker {
    font-size: 11px !important;
}

.rts-track-step.is-current .rts-track-step-marker {
    box-shadow: 0 0 0 3px rgba(230, 31, 45, .08) !important;
}

.rts-track-step::before {
    top: 22px !important;
    bottom: -1px !important;
    left: 8px !important;
    width: 2px !important;
}

.rts-track-step-body {
    padding: 2px 0 8px !important;
}

.rts-track-step-location {
    display: none !important;
}

@media (max-width: 768px) {
    .rts-track-step {
        grid-template-columns: 20px minmax(0, 1fr) !important;
        gap: 10px !important;
        min-height: 52px !important;
    }

    .rts-track-step-marker {
        width: 18px !important;
        height: 18px !important;
        min-width: 18px !important;
        min-height: 18px !important;
    }

    .rts-track-step::before {
        top: 22px !important;
        left: 8px !important;
    }
}


/* v1.5.4｜手機 placeholder 顯示優化 */
@media (max-width: 768px) {
    .rts-track-search-row input::placeholder,
    .rts-track-quick-row input::placeholder {
        font-size: 14px !important;
        letter-spacing: -0.01em;
    }
}

/* =========================================================
   v1.9.0 - Tracking Events + Proof of Delivery
   ========================================================= */
.rts-track-events-panel,
.rts-track-pod-panel{
    margin:0 32px 24px;
    padding:24px;
    border:1px solid #e5e9ef;
    border-radius:18px;
    background:#fff;
}
.rts-track-event-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:12px}
.rts-track-event-list li{padding:14px 16px;border-left:4px solid #071e39;background:#f7f9fb;border-radius:10px}
.rts-track-event-list strong{display:block;font-size:15px;color:#071e39}
.rts-track-event-meta{display:block;margin-top:4px;font-size:12px;color:#667085}
.rts-track-event-note{display:block;margin-top:7px;font-size:13px;line-height:1.55;color:#344054}
.rts-track-pod-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.rts-track-pod-grid>div{padding:14px 16px;background:#f7f9fb;border-radius:12px}
.rts-track-pod-grid span{display:block;font-size:12px;color:#667085;margin-bottom:5px}
.rts-track-pod-grid strong{font-size:14px;color:#071e39;white-space:pre-wrap}
.rts-track-pod-note{grid-column:1/-1}
.rts-track-pod-panel img{display:block;max-width:320px;width:100%;height:auto;margin-top:16px;border-radius:14px;border:1px solid #e5e9ef}
@media(max-width:768px){
  .rts-track-events-panel,.rts-track-pod-panel{margin:0 16px 18px;padding:18px}
  .rts-track-pod-grid{grid-template-columns:1fr}
  .rts-track-pod-note{grid-column:auto}
}