:root {
    color-scheme: light;
    --bg: #f5f3ef;
    --bg-accent: #ece7de;
    --surface: rgba(255, 255, 255, 0.86);
    --surface-strong: #ffffff;
    --text: #1f2530;
    --muted: #697386;
    --line: #e3ddd2;
    --shadow: 0 18px 42px rgba(54, 45, 28, 0.12);
    --green: #0aa34b;
    --green-deep: #08863d;
    --dark: #171a20;
    --dark-soft: #2b2f38;
    --track: #d7dce5;
    --accent: #c48a4a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Aptos", "Segoe UI Variable Display", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(196, 138, 74, 0.15), transparent 26%),
        radial-gradient(circle at top right, rgba(10, 163, 75, 0.09), transparent 22%),
        linear-gradient(180deg, #fbfaf8 0%, var(--bg) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.25) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.25) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 85%);
}

.page-shell {
    width: min(1080px, calc(100vw - 48px));
    margin: 0 auto;
    padding: 56px 0 72px;
}

.hero {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 28px;
}

.hero-mark {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: linear-gradient(135deg, #fff7ed, #ffffff);
    box-shadow: var(--shadow);
    color: var(--dark);
}

.hero-mark svg {
    width: 28px;
    height: 28px;
}

.eyebrow {
    margin: 3px 0 8px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
}

h1 {
    margin: 0;
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1;
}

.hero-copy {
    margin: 10px 0 0;
    max-width: 720px;
    font-size: 1rem;
    color: var(--muted);
}

.card {
    background: var(--surface);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.status-card,
.mode-card,
.settings-card {
    animation: rise 500ms ease both;
}

.status-card {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    padding: 26px 28px;
}

.status-meta {
    display: flex;
    gap: 26px;
    align-items: center;
    flex-wrap: wrap;
}

.status-cluster {
    display: flex;
    align-items: center;
    gap: 14px;
}

.status-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: #f7f7f7;
    color: #8f97a8;
}

.status-icon.disconnected {
    background: #f4f5f7;
    color: #8f97a8;
}

.status-icon.connected {
    background: rgba(10, 163, 75, 0.12);
    color: var(--green-deep);
}

.status-icon svg {
    width: 22px;
    height: 22px;
}

.status-icon .wire-connected {
    display: none;
}

.status-icon.connected .wire-connected {
    display: block;
}

.status-icon.connected .wire-disconnected {
    display: none;
}

.status-title {
    font-size: 1.24rem;
    font-weight: 800;
}

.status-title.disconnected {
    color: var(--dark);
}

.status-title.connected {
    color: var(--green-deep);
}

.status-hint {
    margin-top: 4px;
    color: var(--muted);
    font-size: 0.93rem;
}

.port-info {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 10px;
    border: 1px dashed var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.6);
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 600;
}

.field label,
.mode-header {
    font-weight: 700;
}

select,
input[type="text"],
input[type="number"] {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-strong);
    color: var(--text);
    font: inherit;
}

select:focus,
input[type="text"]:focus,
input[type="number"]:focus,
button:focus,
input[type="range"]:focus,
input[type="checkbox"]:focus {
    outline: 2px solid rgba(196, 138, 74, 0.35);
    outline-offset: 2px;
}

.primary-button,
.dark-button,
.ghost-button,
.tab,
.main-tab {
    border: 0;
    border-radius: 14px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

.primary-button:hover,
.dark-button:hover,
.ghost-button:hover,
.tab:hover,
.main-tab:hover {
    transform: translateY(-1px);
}

.primary-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 22px;
    height: 48px;
    color: white;
    background: linear-gradient(135deg, #516074, #39485c);
    box-shadow: 0 14px 24px rgba(57, 72, 92, 0.2);
}

.primary-button.connected {
    background: linear-gradient(135deg, var(--green), var(--green-deep));
    box-shadow: 0 14px 24px rgba(10, 163, 75, 0.18);
}

.button-icon svg {
    width: 18px;
    height: 18px;
}

.mode-card {
    margin-top: 24px;
    padding: 24px 28px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.mode-card-content {
    flex: 1 1 720px;
}

.mode-side-panel {
    flex: 0 1 240px;
    min-width: 220px;
}

.mode-fields-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.mode-fields-row .field+.field {
    margin-top: 0;
}

.inline-input-group {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 132px;
    gap: 10px;
    align-items: center;
}

.mode-switch-group {
    flex-basis: 100%;
    display: grid;
    gap: 10px;
}

.mode-summary {
    flex-basis: 100%;
    margin: 0;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(18, 33, 28, 0.08);
    color: var(--muted);
    font-size: 0.92rem;
}

.switch-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mode-name {
    color: var(--muted);
    font-weight: 600;
}

.mode-name.active {
    color: var(--dark);
}

.toggle {
    position: relative;
    display: inline-flex;
}

.toggle input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-track {
    width: 48px;
    height: 28px;
    border-radius: 999px;
    background: #d9dce3;
    position: relative;
    transition: background-color 180ms ease;
}

.toggle-track::after {
    content: "";
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 4px 14px rgba(27, 36, 54, 0.18);
    transition: transform 180ms ease;
}

.toggle input:checked+.toggle-track {
    background: rgba(10, 163, 75, 0.4);
}

.toggle input:checked+.toggle-track::after {
    transform: translateX(20px);
}

.settings-card {
    margin-top: 24px;
    padding: 24px;
}

.workspace-card {
    margin-top: 24px;
    padding: 24px;
}

.workspace-card .mode-card {
    margin-top: 0;
}

.main-tab-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 6px;
    border-radius: 18px;
    background: #f0eee9;
}

.main-tab {
    height: 52px;
    background: transparent;
    color: #8c92a0;
}

.main-tab.is-active {
    background: white;
    color: var(--dark);
    box-shadow: 0 4px 14px rgba(38, 38, 38, 0.08);
}

.main-panel {
    padding-top: 24px;
}

.gnss-trace-card {
    margin-top: 0;
    padding: 24px;
}

.tab-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 6px;
    border-radius: 18px;
    background: #f0eee9;
}

.tab {
    height: 52px;
    background: transparent;
    color: #8c92a0;
}

.tab.is-active {
    background: white;
    color: var(--dark);
    box-shadow: 0 4px 14px rgba(38, 38, 38, 0.08);
}

.tab.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
}

.panel {
    padding: 28px 2px 8px;
}

.field+.field,
.two-column+.field,
.trace-box {
    margin-top: 22px;
}

.two-column .field+.field {
    margin-top: 0;
}

.field-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.field-head output {
    font-weight: 600;
    color: var(--muted);
}

.field-copy {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.two-column.p2p-ids {
    margin-top: 22px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: end;
    gap: 14px;
}

.p2p-ids input[type="text"] {
    height: 42px;
    padding: 0 10px;
}

.id-format-row {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 4px;
}

.id-format-label {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--muted);
}

.id-format-label.active {
    color: var(--dark);
}

.p2p-options {
    margin-top: 18px;
    display: grid;
    gap: 12px;
}

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-weight: 600;
    color: var(--text);
}

.p2p-key-block {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(18, 33, 28, 0.08);
}

.p2p-key-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}

.p2p-key-block input:disabled {
    background: rgba(217, 220, 227, 0.4);
    color: var(--muted);
    cursor: not-allowed;
}

.gnss-trace-table-wrap {
    width: 100%;
    min-height: 360px;
    max-height: 420px;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-strong);
}

.gnss-trace-table {
    width: 100%;
    border-collapse: collapse;
    font: 500 0.86rem/1.4 "Consolas", "Courier New", monospace;
}

.gnss-trace-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    text-align: left;
    padding: 10px 12px;
    background: #f5f6f8;
    color: var(--dark-soft);
    border-bottom: 1px solid var(--line);
}

.gnss-trace-table tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid #f1ede5;
    white-space: nowrap;
}

.gnss-trace-row-record {
    cursor: pointer;
}

.gnss-trace-row-record:hover td {
    background: rgba(196, 138, 74, 0.09);
}

.gnss-trace-row-selected td {
    background: rgba(10, 163, 75, 0.14);
}

.gnss-trace-row-message td {
    white-space: normal;
    color: var(--muted);
    font-family: "Aptos", "Segoe UI Variable Display", "Segoe UI", sans-serif;
}

.gnss-trace-map {
    width: 100%;
    height: 360px;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    background: #dfe6ec;
}

.gnss-trace-progress-wrap {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.gnss-trace-progress {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    height: 12px;
}

.gnss-trace-progress-label {
    min-width: 50px;
    text-align: right;
    color: var(--muted);
    font-weight: 700;
    font-size: 0.88rem;
}

.gnss-trace-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.gnss-trace-toolbar #eraseGnssTraceButton {
    margin-left: auto;
}

input[type="range"] {
    width: 100%;
    margin-top: 10px;
    appearance: none;
    background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 7px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--dark) 0 var(--percent, 50%), var(--track) var(--percent, 50%) 100%);
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    margin-top: -8px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--dark);
}

input[type="range"]::-moz-range-track {
    height: 7px;
    border-radius: 999px;
    background: var(--track);
}

input[type="range"]::-moz-range-progress {
    height: 7px;
    border-radius: 999px;
    background: var(--dark);
}

input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--dark);
}

.two-column {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.metric {
    padding: 22px;
    border-radius: 18px;
    background: linear-gradient(180deg, #ffffff, #f4f1eb);
    border: 1px solid var(--line);
}

.metric-label {
    display: block;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 0.92rem;
}

.metric strong {
    font-size: 1.5rem;
}

.trace-box {
    min-height: 180px;
    padding: 18px;
    border-radius: 24px;
    background:
        radial-gradient(circle at 20% 30%, rgba(10, 163, 75, 0.16), transparent 18%),
        radial-gradient(circle at 80% 70%, rgba(196, 138, 74, 0.2), transparent 18%),
        linear-gradient(180deg, #fbfbfb, #f1eee7);
    border: 1px solid var(--line);
    position: relative;
    overflow: hidden;
}

.trace-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(120, 130, 150, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 130, 150, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
}

.trace-point {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 8px rgba(10, 163, 75, 0.09);
    animation: pulse 2s infinite;
}

.trace-point:nth-child(1) {
    top: 34px;
    left: 46px;
}

.trace-point:nth-child(2) {
    top: 72px;
    left: 128px;
    animation-delay: 240ms;
}

.trace-point:nth-child(3) {
    top: 118px;
    left: 212px;
    animation-delay: 480ms;
}

.trace-point:nth-child(4) {
    top: 92px;
    right: 154px;
    animation-delay: 720ms;
}

.trace-point:nth-child(5) {
    bottom: 30px;
    right: 72px;
    animation-delay: 960ms;
}

.actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 34px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

.dark-button,
.ghost-button {
    height: 46px;
    padding: 0 18px;
}

.dark-button {
    background: var(--dark);
    color: white;
}

.ghost-button {
    background: white;
    color: var(--dark);
    border: 1px solid var(--line);
}

#eraseGnssTraceButton,
#resetButton {
    color: #9b1c1c;
}

#eraseGnssTraceButton:hover,
#resetButton:hover {
    color: #7f1717;
}

.ghost-button.is-danger {
    background: #fff1f1;
    color: #9b1c1c;
    border-color: #e7a8a8;
}

.ghost-button.is-danger:hover {
    background: #ffe4e4;
    color: #7f1717;
}

button:disabled {
    color: #9aa4b2;
    background: #edf1f5;
    border-color: #d6dee7;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    opacity: 0.72;
    filter: saturate(0.7);
}

button:disabled:hover {
    transform: none;
}

.save-status {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.94rem;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

@media (max-width: 900px) {

    .status-card,
    .mode-card,
    .actions {
        flex-direction: column;
        align-items: stretch;
    }

    .save-status {
        margin-left: 0;
    }

    .mode-fields-row {
        grid-template-columns: 1fr;
    }

    .inline-input-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .page-shell {
        width: min(100vw - 24px, 1080px);
        padding: 28px 0 42px;
    }

    .hero {
        flex-direction: column;
        gap: 14px;
    }

    .tab-strip,
    .main-tab-strip,
    .two-column {
        grid-template-columns: 1fr;
    }

    .two-column.p2p-ids {
        grid-template-columns: 1fr;
    }

    .status-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}