:root {
    --page-bg: #070c14;
    --panel: #111a27;
    --panel-soft: #162130;
    --line: #344151;
    --text: #f5f7fb;
    --muted: #a8b2c1;
    --orange: #ff8400;
    --cyan: #28c8c8;
    --purple: #9d55e7;
    --green: #52df6a;
    --green-deep: #0e4226;
    --red: #ff4b38;
    --red-deep: #4d1714;
    --warning: #ff9b19;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
}

body.tracker-app {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 50% -10%, rgba(40, 200, 200, 0.08), transparent 34rem),
        linear-gradient(145deg, #0c1420 0%, var(--page-bg) 52%, #080d16 100%);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

.tracker-header {
    display: flex;
    justify-content: center;
    padding: 1.2rem 1rem 0;
}

.tracker-logo {
    width: 132px;
    height: auto;
}

.tracker-shell {
    width: min(1440px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.1rem 0 3rem;
}

.tracker-hero {
    text-align: center;
}

.eyebrow {
    margin: 0 0 0.35rem;
    color: var(--cyan);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.13em;
}

.tracker-hero h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    letter-spacing: 0.02em;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.2rem 0 1.7rem;
}

.action-button,
.lookup-button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    border: 0;
    border-radius: 12px;
    color: #fff;
    font-weight: 850;
    text-decoration: none;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
    transition: transform 160ms ease, filter 160ms ease;
}

.action-button {
    min-width: 275px;
    padding: 0.8rem 1.35rem;
}

.action-button:hover,
.lookup-button:hover {
    color: #fff;
    filter: brightness(1.08);
    text-decoration: none;
    transform: translateY(-2px);
}

.action-button:focus-visible,
.lookup-button:focus-visible,
.video-card:focus-visible,
.form-control:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.9);
    outline-offset: 3px;
}

.action-manual {
    background: linear-gradient(135deg, #ff9d00, #ee6800);
}

.action-return {
    background: linear-gradient(135deg, #33cccc, #159497);
}

.tracker-lookup {
    max-width: 720px;
    margin: 0 auto 1.4rem;
    padding: 1.15rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(17, 26, 39, 0.92);
    text-align: left;
}

.tracker-lookup.is-collapsed {
    display: none;
}

.tracker-lookup label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--text) !important;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.tracker-lookup abbr {
    color: var(--cyan);
    text-decoration: none;
}

.lookup-controls {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.7rem;
}

.tracker-lookup .form-control {
    min-height: 52px;
    border: 1px solid #526174;
    border-radius: 10px;
    background: #080e17;
    color: #fff;
    font-size: 1.1rem;
}

.tracker-lookup small {
    display: block;
    margin-top: 0.55rem;
    color: var(--muted);
}

.lookup-button {
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, #7530bb, #4c1581);
}

.feedback-state {
    display: flex;
    max-width: 720px;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin: 1.5rem auto;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
}

.feedback-state[hidden] {
    display: none;
}

.feedback-error {
    border-color: var(--red);
    color: #ffaea6;
}

.tracker-result:empty {
    display: none;
}

.tracker-heading {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.4rem;
    margin: 0.7rem 0 1rem;
}

.tracker-heading::before,
.tracker-heading::after {
    height: 1px;
    background: var(--line);
    content: "";
}

.tracker-number {
    text-align: center;
}

.tracker-number h2 {
    margin: 0;
    font-size: clamp(1.35rem, 2.4vw, 1.8rem);
    font-weight: 900;
}

.online-label {
    margin: 0.25rem 0 0;
    color: var(--green);
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.05em;
}

.online-label.is-review {
    color: var(--red);
}

.status-banner {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: center;
    min-height: 132px;
    padding: 1.25rem max(1.4rem, 8vw);
    overflow: hidden;
    border: 1px solid var(--green);
    border-radius: 16px;
    background:
        radial-gradient(circle at 94% 50%, rgba(82, 223, 106, 0.19) 0 3px, transparent 4px) 0 0 / 17px 17px,
        linear-gradient(100deg, rgba(11, 50, 29, 0.98), rgba(10, 45, 31, 0.76));
}

.status-banner.is-review {
    border-color: var(--red);
    background:
        radial-gradient(circle at 94% 50%, rgba(255, 75, 56, 0.17) 0 3px, transparent 4px) 0 0 / 17px 17px,
        linear-gradient(100deg, rgba(66, 20, 18, 0.98), rgba(48, 18, 20, 0.78));
}

.status-mark {
    display: grid;
    width: 88px;
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid #75f389;
    border-radius: 50%;
    background: linear-gradient(145deg, #51dd68, #159233);
    box-shadow: 0 10px 30px rgba(29, 193, 73, 0.25);
    font-size: 2.35rem;
}

.is-review .status-mark {
    border-color: #ff6a57;
    background: linear-gradient(145deg, #f24532, #a91e18);
    box-shadow: 0 10px 30px rgba(242, 69, 50, 0.24);
}

.status-copy h2 {
    margin: 0 0 0.25rem;
    color: var(--green);
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 900;
}

.is-review .status-copy h2 {
    color: var(--red);
}

.status-copy strong,
.status-copy p {
    display: block;
    margin: 0;
    font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.status-copy p {
    margin-top: 0.2rem;
    color: #c5efcc;
}

.is-review .status-copy p {
    color: #ffd1cc;
}

.info-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.96fr 1.08fr;
    gap: 1rem;
    margin-top: 1rem;
}

.info-card {
    min-height: 318px;
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: linear-gradient(145deg, rgba(23, 34, 49, 0.98), rgba(13, 20, 31, 0.98));
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.18);
}

.card-title-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid #324050;
}

.card-title-row h3 {
    margin: 0;
    font-size: 1.03rem;
    font-weight: 900;
    line-height: 1.25;
}

.card-icon,
.section-icon {
    display: grid;
    flex: 0 0 auto;
    width: 48px;
    aspect-ratio: 1;
    place-items: center;
    border-radius: 11px;
    color: #fff;
    font-size: 1.25rem;
}

.card-tracker .card-icon {
    background: linear-gradient(145deg, #b44af0, #6716af);
}

.is-review .card-tracker .card-icon {
    background: linear-gradient(145deg, #ff4c38, #b71916);
}

.card-race .card-icon {
    background: linear-gradient(145deg, #ffac00, #f06800);
}

.card-person .card-icon {
    background: linear-gradient(145deg, #39d1ce, #087f83);
}

.detail-list {
    display: grid;
    gap: 0.72rem;
    margin: 1rem 0 0;
}

.detail-row {
    display: grid;
    grid-template-columns: 24px auto 1fr;
    gap: 0.55rem;
    align-items: center;
}

.detail-row > i {
    color: #dce5ef;
    text-align: center;
}

.detail-row dt,
.detail-row dd {
    margin: 0;
}

.detail-row dt {
    font-weight: 800;
}

.detail-row dd {
    color: #d9e0e8;
}

.detail-row.is-wide {
    grid-template-columns: 24px 1fr;
    padding: 0.8rem 0;
    border-bottom: 1px solid #324050;
}

.detail-row.is-wide:last-child {
    border-bottom: 0;
}

.detail-row.is-wide dd {
    grid-column: 2;
}

.tone-ok {
    color: var(--green) !important;
}

.tone-review {
    color: var(--red) !important;
}

.tone-warning {
    color: var(--warning) !important;
}

.battery-meter-wrap {
    width: 100%;
}

.battery-meter {
    --battery-value: 0%;
    --battery-color: var(--green);
    display: flex;
    width: min(100%, 220px);
    align-items: center;
    gap: 0.7rem;
}

.battery-meter__track {
    position: relative;
    display: block;
    flex: 1;
    min-width: 90px;
    height: 16px;
    overflow: hidden;
    border: 1px solid #5c6878;
    border-radius: 999px;
    background: #2c3745;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.35);
}

.battery-meter__fill {
    display: block;
    width: var(--battery-value);
    height: 100%;
    border-radius: inherit;
    background: var(--battery-color);
    box-shadow: 0 0 10px var(--battery-color);
    transition: width 450ms ease;
}

.battery-meter__value {
    min-width: 3.2rem;
    font-weight: 900;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.battery-advisory {
    display: block;
    margin-top: 0.4rem;
    color: #ffc46e;
    font-size: 0.75rem;
    line-height: 1.3;
}

.context-note {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    margin: 0.85rem 0 0;
    padding: 0.7rem;
    border: 1px solid var(--green);
    border-radius: 10px;
    background: rgba(19, 104, 48, 0.15);
    color: #e7f9eb;
    font-size: 0.82rem;
    line-height: 1.35;
}

.is-review .context-note {
    border-color: var(--red);
    background: rgba(151, 35, 27, 0.17);
}

.context-note.is-advisory {
    border-color: var(--warning);
    background: rgba(172, 99, 14, 0.13);
    color: #ffe2b7;
}

.context-note.is-low-battery {
    border-color: var(--red);
    background: rgba(151, 35, 27, 0.13);
    color: #ffd4cf;
}

.battery-warning-modal .modal-dialog {
    width: min(94vw, 590px);
    max-width: 590px;
    max-height: calc(100vh - 1rem);
    margin-right: auto;
    margin-left: auto;
}

.battery-warning-modal .modal-content {
    max-height: calc(100vh - 1rem);
    overflow: hidden;
    border: 1px solid #e8604d;
    border-radius: 18px;
    background: linear-gradient(145deg, #1c2634, #101720);
    color: var(--text);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.58);
}

.battery-warning-modal .modal-header,
.battery-warning-modal .modal-body,
.battery-warning-modal .modal-footer {
    border-color: #394657;
}

.battery-warning-modal .modal-header {
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1.25rem 1.35rem 1rem;
}

.battery-warning-heading {
    display: flex;
    flex: 1;
    min-width: 0;
    align-items: center;
    gap: 0.9rem;
}

.battery-warning-heading > div {
    min-width: 0;
}

.battery-warning-modal .btn-close {
    flex: 0 0 auto;
    margin: 0;
}

.battery-warning-icon {
    display: grid;
    flex: 0 0 auto;
    width: 52px;
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid #ff7967;
    border-radius: 14px;
    background: rgba(255, 75, 56, 0.16);
    color: #ff725f;
    font-size: 1.35rem;
}

.battery-warning-kicker {
    margin: 0 0 0.2rem;
    color: #ffc46e;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.battery-warning-modal .modal-title {
    margin: 0;
    font-size: clamp(1.2rem, 4vw, 1.55rem);
    font-weight: 900;
    overflow-wrap: break-word;
}

.battery-warning-modal .modal-body {
    padding: 1.15rem 1.35rem;
    overflow-y: auto;
    color: #d9e1eb;
    line-height: 1.55;
}

.battery-warning-modal .modal-body p {
    margin: 0 0 0.8rem;
}

.battery-warning-modal .modal-body p:last-child {
    margin-bottom: 0;
}

.battery-warning-level {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.25rem 0.45rem;
    padding: 0.75rem 0.85rem;
    border-left: 3px solid var(--red);
    border-radius: 6px;
    background: rgba(255, 75, 56, 0.09);
}

.battery-warning-level strong {
    color: #ff7b69;
    font-size: 1.18em;
}

.battery-warning-level small {
    flex-basis: 100%;
    color: #bdc8d6;
}

.battery-warning-steps {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0;
    padding-left: 1.25rem;
}

.battery-warning-steps li::marker {
    color: #ff7967;
}

.battery-warning-tip {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 !important;
    color: #f3f6fa;
    font-weight: 750;
}

.battery-warning-tip i {
    color: var(--cyan);
}

.battery-warning-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.7rem;
    padding: 1rem 1.35rem 1.2rem;
}

.battery-help-button,
.battery-understood-button {
    min-height: 44px;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    font-weight: 850;
}

.battery-help-button {
    border: 1px solid #667487;
    background: transparent;
    color: #dce5ef;
}

.battery-understood-button {
    border: 0;
    background: linear-gradient(135deg, #36ccca, #168e92);
    color: #fff;
}

.battery-help-button:hover,
.battery-understood-button:hover {
    filter: brightness(1.1);
}

.battery-help-button:focus-visible,
.battery-understood-button:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.verification-bar {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 1rem;
    align-items: center;
    margin-top: 1rem;
    padding: 0.85rem 1.4rem;
    border: 1px solid var(--green);
    border-radius: 14px;
    background: linear-gradient(90deg, rgba(14, 66, 38, 0.9), rgba(12, 42, 31, 0.7));
}

.verification-bar.is-review {
    border-color: var(--red);
    background: linear-gradient(90deg, rgba(77, 23, 20, 0.95), rgba(48, 19, 21, 0.74));
}

.verification-copy,
.verification-time {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.verification-copy > i,
.verification-time > i {
    font-size: 1.55rem;
}

.verification-copy strong {
    display: block;
    color: var(--green);
}

.is-review .verification-copy strong {
    color: var(--red);
}

.verification-copy p,
.verification-time p {
    margin: 0;
}

.verification-time {
    padding-left: 1.2rem;
    border-left: 1px solid rgba(255, 255, 255, 0.5);
}

.verification-time time {
    color: var(--green);
    font-weight: 800;
}

.is-review .verification-time time {
    color: var(--red);
}

.support-strip {
    margin-top: 1rem;
    padding: 0.95rem 1.2rem;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--panel);
    text-align: center;
}

.support-strip p {
    margin: 0.2rem 0;
}

.support-strip i {
    margin-right: 0.45rem;
    color: #c283ff;
}

.support-strip a {
    color: var(--cyan);
}

.video-help {
    margin-top: 2rem;
    padding: 1.35rem;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: rgba(13, 21, 32, 0.85);
}

.section-heading {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.section-icon {
    background: linear-gradient(145deg, #ff4f3e, #c4211b);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.video-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.85rem;
    align-items: center;
    min-height: 82px;
    padding: 0.85rem 1rem;
    border: 1px solid #37475b;
    border-radius: 12px;
    background: var(--panel-soft);
    color: var(--text);
    text-decoration: none;
    transition: border-color 160ms ease, transform 160ms ease;
}

.video-card:hover {
    border-color: #ff6151;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
}

.video-number {
    color: #65758b;
    font-size: 0.76rem;
    font-weight: 900;
}

.video-card strong,
.video-card small {
    display: block;
}

.video-card small {
    margin-top: 0.2rem;
    color: var(--muted);
}

.video-card > i {
    color: #ff4f3e;
    font-size: 1.6rem;
}

.tracker-footer {
    padding: 1.4rem 1rem 1.8rem;
    border-top: 1px solid #222f3e;
    background: #050910;
    color: var(--muted);
    text-align: center;
}

.tracker-footer p {
    margin: 0 0 0.55rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.1rem;
    margin-bottom: 0.7rem;
}

.tracker-footer a {
    color: var(--cyan);
    text-decoration: none;
}

.tracker-footer a:hover {
    color: #75ecea;
}

@media (max-width: 900px) {
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .card-tracker {
        grid-column: 1 / -1;
        min-height: auto;
    }
}

@media (max-width: 640px) {
    .tracker-shell {
        width: min(100% - 1rem, 1440px);
        padding-top: 0.65rem;
    }

    .tracker-header {
        padding-top: 0.8rem;
    }

    .tracker-logo {
        width: 108px;
    }

    .tracker-hero h1 {
        font-size: 1.8rem;
        line-height: 1.05;
    }

    .hero-actions,
    .lookup-controls,
    .info-grid,
    .video-grid,
    .verification-bar {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        display: grid;
        gap: 0.65rem;
    }

    .action-button {
        width: 100%;
        min-width: 0;
    }

    .tracker-heading {
        grid-template-columns: 1fr;
    }

    .tracker-heading::before,
    .tracker-heading::after {
        display: none;
    }

    .status-banner {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        padding: 1.2rem;
        text-align: center;
    }

    .status-mark {
        width: 70px;
        margin: auto;
    }

    .info-card {
        min-height: 0;
    }

    .verification-time {
        padding: 0.8rem 0 0;
        border-top: 1px solid rgba(255, 255, 255, 0.35);
        border-left: 0;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.45rem;
    }

    .battery-warning-actions {
        flex-direction: column-reverse;
        padding: 0.85rem 1rem 1rem;
    }

    .battery-help-button,
    .battery-understood-button {
        width: 100%;
    }

    .battery-warning-modal .modal-dialog {
        width: calc(100vw - 1rem);
        margin: 0.5rem auto;
    }

    .battery-warning-modal .modal-header,
    .battery-warning-modal .modal-body {
        padding: 0.9rem 1rem;
    }

    .battery-warning-icon {
        width: 44px;
        border-radius: 11px;
        font-size: 1.1rem;
    }

    .battery-warning-kicker {
        letter-spacing: 0.07em;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}