/* IPC Cargo Tracking — Frontend Styles */

.ipc-tracking-wrapper {
    max-width: 700px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

/* ── Search Form ── */
.ipc-tracking-form {
    display: flex;
    gap: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.ipc-tracking-form input[type="text"] {
    flex: 1;
    padding: 16px 20px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-right: none;
    border-radius: 12px 0 0 12px;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
    color: #1a202c;
}

.ipc-tracking-form input[type="text"]:focus {
    border-color: #1965DB;
}

.ipc-tracking-form input[type="text"]::placeholder {
    color: #a0aec0;
}

.ipc-tracking-form button {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #1965DB, #1454b8);
    border: none;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    white-space: nowrap;
}

.ipc-tracking-form button:hover {
    background: linear-gradient(135deg, #1454b8, #0f4199);
}

.ipc-tracking-form button:active {
    transform: scale(0.97);
}

.ipc-tracking-form button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ── Loading Spinner ── */
.ipc-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ipc-spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

.ipc-loading .ipc-spinner {
    display: inline-block;
}

/* ── Results Container ── */
.ipc-tracking-results {
    margin-top: 32px;
}

/* ── Error Message ── */
.ipc-tracking-error {
    background: #fff5f5;
    color: #c53030;
    border: 1px solid #fed7d7;
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 14px;
    display: none;
}

.ipc-tracking-error.visible {
    display: block;
}

/* ── No Results ── */
.ipc-no-results {
    text-align: center;
    padding: 40px 20px;
    color: #718096;
}

.ipc-no-results .ipc-no-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

/* ── Tracking Card ── */
.ipc-tracking-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.ipc-tracking-header {
    background: linear-gradient(135deg, #1965DB, #1454b8);
    color: #fff;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ipc-tracking-header .ipc-header-icon {
    font-size: 24px;
}

.ipc-tracking-header .ipc-header-text h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.ipc-tracking-header .ipc-header-text span {
    font-size: 13px;
    opacity: 0.85;
}

/* ── Timeline ── */
.ipc-timeline {
    padding: 24px;
}

.ipc-timeline-item {
    display: flex;
    gap: 16px;
    position: relative;
    padding-bottom: 24px;
}

.ipc-timeline-item:last-child {
    padding-bottom: 0;
}

/* Connector line */
.ipc-timeline-item:not(:last-child)::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 32px;
    bottom: 0;
    width: 2px;
    background: #e2e8f0;
}

.ipc-timeline-dot {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    z-index: 1;
}

/* First item = latest (active) */
.ipc-timeline-item:first-child .ipc-timeline-dot {
    background: #1965DB;
    color: #fff;
    box-shadow: 0 0 0 4px rgba(25, 101, 219, 0.15);
}

.ipc-timeline-item:not(:first-child) .ipc-timeline-dot {
    background: #edf2f7;
    color: #a0aec0;
}

.ipc-timeline-content {
    flex: 1;
    padding-top: 4px;
}

.ipc-timeline-content .ipc-detail {
    font-size: 15px;
    font-weight: 600;
    color: #1a202c;
    margin: 0 0 4px;
}

.ipc-timeline-content .ipc-location {
    font-size: 14px;
    color: #718096;
    margin: 0 0 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.ipc-timeline-content .ipc-datetime {
    font-size: 13px;
    color: #a0aec0;
    margin: 0;
}

.ipc-timeline-content .ipc-dist {
    margin-top: 6px;
    font-size: 13px;
    color: #4a5568;
}

.ipc-timeline-content .ipc-dist a {
    color: #1965DB;
    text-decoration: none;
    font-weight: 500;
}

.ipc-timeline-content .ipc-dist a:hover {
    text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .ipc-tracking-form {
        flex-direction: column;
        border-radius: 12px;
    }

    .ipc-tracking-form input[type="text"] {
        border-right: 2px solid #e2e8f0;
        border-bottom: none;
        border-radius: 12px 12px 0 0;
    }

    .ipc-tracking-form input[type="text"]:focus {
        border-color: #1965DB;
    }

    .ipc-tracking-form button {
        border-radius: 0 0 12px 12px;
    }
}