/* Parti pris : totem de station. Asphalte, jaune marquage routier, chiffres de signalisation. */
:root {
    --bg: #121316;
    --surface: #1a1c20;
    --surface-2: #23262b;
    --line: #2f333a;
    --text: #eceae4;
    --muted: #a3a5a8;
    --faint: #6d7178;
    --accent: #ffc933;
    --accent-ink: #151515;
    --accent-soft: rgba(255, 201, 51, 0.12);
    --loss: #ff7a6b;

    --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
    --font-text: "Barlow", system-ui, sans-serif;

    /* Échelle 1.25 */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-md: 1rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5625rem;
    --fs-2xl: 1.953rem;
    --fs-3xl: 2.441rem;
    --fs-4xl: 3.052rem;

    --radius: 4px;
    --gutter: 16px;
    --panel-width: 460px;
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    color-scheme: dark;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 400 var(--fs-md)/1.5 var(--font-text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration-color: var(--faint);
    text-underline-offset: 3px;
}

a:hover {
    text-decoration-color: var(--accent);
}

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

button {
    font: inherit;
    color: inherit;
    cursor: pointer;
}

fieldset {
    border: 0;
    margin: 0;
    padding: 0;
    min-width: 0;
}

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

.app {
    display: flex;
    flex-direction: column;
}

.panel {
    display: contents;
}

.masthead { order: 1; }
.controls { order: 2; }
.map-wrap { order: 3; }
.results { order: 4; }
.colophon { order: 5; }

.masthead,
.controls,
.results,
.colophon {
    padding-inline: var(--gutter);
}

.map-wrap {
    position: relative;
    height: 46vh;
    min-height: 280px;
    margin-block: 8px 24px;
    border-block: 1px solid var(--line);
}

#map {
    position: absolute;
    inset: 0;
    background: #0e0f11;
}

@media (min-width: 960px) {
    .app {
        display: grid;
        grid-template-columns: var(--panel-width) 1fr;
        height: 100dvh;
    }

    .panel {
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        border-right: 1px solid var(--line);
        scrollbar-width: thin;
        scrollbar-color: var(--line) transparent;
    }

    .masthead,
    .controls,
    .results,
    .colophon {
        padding-inline: 32px;
    }

    .map-wrap {
        height: auto;
        margin: 0;
        border: 0;
    }

    .colophon {
        margin-top: auto;
    }
}

/* ---------- Masthead ---------- */

.masthead {
    padding-top: 24px;
    padding-bottom: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
}

.brand-mark {
    width: 22px;
    height: 22px;
    background: var(--accent);
    clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.brand-name {
    font: 700 var(--fs-lg)/1 var(--font-display);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

h1 {
    margin: 0 0 12px;
    font: 700 clamp(var(--fs-2xl), 7vw, var(--fs-3xl))/1.02 var(--font-display);
    letter-spacing: -0.01em;
    text-wrap: balance;
}

.lede {
    margin: 0 0 12px;
    color: var(--muted);
    max-width: 38ch;
}

.link-btn {
    padding: 0;
    border: 0;
    background: none;
    color: var(--accent);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(255, 201, 51, 0.4);
    text-underline-offset: 4px;
}

.link-btn:hover {
    text-decoration-color: var(--accent);
}

/* ---------- Controls ---------- */

.controls {
    display: grid;
    gap: 24px;
    padding-top: 24px;
    padding-bottom: 24px;
    border-top: 1px solid var(--line);
}

.field {
    display: grid;
    gap: 8px;
}

.field-label {
    padding: 0;
    font: 600 var(--fs-xs)/1 var(--font-text);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

legend.field-label {
    margin-bottom: 8px;
}

.field-hint {
    margin: 0;
    font-size: var(--fs-sm);
    color: var(--muted);
}

.field-hint.error {
    color: var(--loss);
}

.origin {
    display: flex;
    gap: 8px;
}

.combo {
    position: relative;
    flex: 1;
    min-width: 0;
}

.combo input {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--text);
    font: 500 var(--fs-md) var(--font-text);
    transition: border-color 0.15s;
}

.combo input::placeholder {
    color: var(--faint);
}

.combo input:hover {
    border-color: #454a52;
}

.combo input:focus {
    outline: none;
    border-color: var(--accent);
}

.suggestions {
    position: absolute;
    z-index: 1000;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    margin: 0;
    padding: 4px;
    list-style: none;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

.suggestions li {
    padding: 10px 12px;
    border-radius: 2px;
    cursor: pointer;
    line-height: 1.3;
}

.suggestions li small {
    display: block;
    color: var(--muted);
    font-size: var(--fs-xs);
}

.suggestions li[aria-selected="true"],
.suggestions li:hover {
    background: var(--accent-soft);
}

.locate-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    padding: 0 14px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: var(--fs-sm);
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s;
}

.locate-btn:hover {
    border-color: var(--accent);
}

.locate-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--accent);
    stroke-width: 2;
    stroke-linecap: round;
}

.locate-btn svg .fill {
    fill: var(--accent);
    stroke: none;
}

.locate-btn.busy svg {
    animation: spin 1.2s linear infinite;
}

@media (max-width: 400px) {
    .locate-btn span {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
    }
}

/* Segmented controls */
.segmented {
    display: grid;
    gap: 4px;
    padding: 4px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.fuels {
    grid-template-columns: repeat(3, 1fr);
}

.radius {
    grid-template-columns: repeat(4, 1fr);
}

@media (min-width: 520px) and (max-width: 959px) {
    .fuels {
        grid-template-columns: repeat(6, 1fr);
    }
}

.segmented label {
    position: relative;
}

.segmented input {
    position: absolute;
    opacity: 0;
    inset: 0;
    margin: 0;
    cursor: pointer;
}

.segmented span {
    display: grid;
    place-items: center;
    height: 38px;
    border-radius: 2px;
    font: 600 var(--fs-md)/1 var(--font-display);
    letter-spacing: 0.02em;
    color: var(--muted);
    transition: background 0.15s, color 0.15s;
}

.segmented label:hover span {
    color: var(--text);
    background: var(--surface-2);
}

.segmented input:checked + span {
    background: var(--accent);
    color: var(--accent-ink);
}

.segmented input:focus-visible + span {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Sliders */
.sliders {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.slider-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.slider-value {
    font: 600 var(--fs-xl)/1 var(--font-display);
    font-variant-numeric: tabular-nums;
}

.slider-value small {
    margin-left: 3px;
    font-size: var(--fs-sm);
    color: var(--muted);
    font-weight: 500;
}

input[type="range"] {
    --fill: 50%;
    width: 100%;
    height: 24px;
    margin: 0;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, var(--accent) var(--fill), var(--line) var(--fill));
}

input[type="range"]::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: var(--line);
}

input[type="range"]::-moz-range-progress {
    height: 4px;
    border-radius: 2px;
    background: var(--accent);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 22px;
    margin-top: -9px;
    border: 3px solid var(--bg);
    border-radius: 3px;
    background: var(--accent);
    transition: transform 0.12s var(--ease);
}

input[type="range"]::-moz-range-thumb {
    width: 8px;
    height: 16px;
    border: 3px solid var(--bg);
    border-radius: 3px;
    background: var(--accent);
}

input[type="range"]:active::-webkit-slider-thumb {
    transform: scaleY(1.15);
}

input[type="range"]:focus-visible {
    outline-offset: 4px;
}

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

.results {
    padding-bottom: 32px;
    transition: opacity 0.2s;
}

.results[aria-busy="true"] .ranking,
.results[aria-busy="true"] .verdict {
    opacity: 0.45;
}

.empty {
    padding: 8px 0 16px;
    color: var(--muted);
    max-width: 40ch;
}

.empty-title {
    margin: 0 0 6px;
    font: 700 var(--fs-xl)/1.1 var(--font-display);
    color: var(--text);
}

.empty p {
    margin: 0;
}

.empty.error .empty-title {
    color: var(--loss);
}

.lane {
    height: 4px;
    width: 120px;
    margin-bottom: 20px;
    background: repeating-linear-gradient(to right, var(--accent) 0 24px, transparent 24px 40px);
}

/* Verdict */
.verdict {
    position: relative;
    padding: 20px;
    background: var(--accent);
    color: var(--accent-ink);
    border-radius: var(--radius);
    transition: opacity 0.2s;
}

.eyebrow {
    margin: 0 0 12px;
    font: 700 var(--fs-xs)/1 var(--font-text);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.verdict .eyebrow {
    display: flex;
    justify-content: space-between;
}

.verdict-place {
    margin: 0;
    font: 700 var(--fs-2xl)/1 var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.verdict-address {
    margin: 4px 0 20px;
    font-size: var(--fs-sm);
    font-weight: 500;
    opacity: 0.75;
}

.verdict-figures {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding-top: 16px;
    border-top: 2px solid var(--accent-ink);
}

.figure-label {
    display: block;
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0.7;
}

.verdict-total {
    font: 700 var(--fs-4xl)/0.9 var(--font-display);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
}

.verdict-total small {
    font-size: 0.5em;
    margin-left: 2px;
}

.totem {
    font-family: var(--font-display);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.totem sup {
    font-size: 0.6em;
    vertical-align: 0.55em;
    line-height: 0;
    margin-left: 1px;
}

.verdict .totem {
    font-size: var(--fs-2xl);
    line-height: 1;
}

.verdict-saving {
    margin: 16px 0 0;
    font-weight: 500;
    line-height: 1.4;
}

.verdict-saving strong {
    font-weight: 700;
}

.verdict-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
    font-size: var(--fs-sm);
    font-weight: 600;
}

.actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}

.go-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--accent-ink);
    color: var(--accent);
    font: 700 var(--fs-md)/1 var(--font-display);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    transition: transform 0.12s var(--ease);
}

.go-btn.secondary {
    flex: 0 0 auto;
    padding: 0 16px;
    background: transparent;
    color: var(--accent-ink);
    border: 2px solid var(--accent-ink);
}

.go-btn:active {
    transform: scale(0.98);
}

.go-btn:focus-visible {
    outline-color: var(--accent-ink);
}

/* Sector price range */
.sector {
    margin: 28px 0 8px;
}

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

.sector-head p {
    margin: 0;
    font-size: var(--fs-sm);
    color: var(--muted);
}

.range-bar {
    position: relative;
    height: 6px;
    margin: 0 6px;
    background: var(--line);
    border-radius: 3px;
}

.range-bar .median {
    position: absolute;
    top: -4px;
    width: 2px;
    height: 14px;
    background: var(--muted);
    transform: translateX(-1px);
}

.range-bar .pick {
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border: 2px solid var(--bg);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: var(--fs-xs);
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

/* Ranking */
.ranking-title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin: 32px 0 4px;
    font: 700 var(--fs-lg)/1 var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ranking-title span {
    font: 500 var(--fs-xs)/1 var(--font-text);
    letter-spacing: 0;
    text-transform: none;
    color: var(--muted);
}

.ranking {
    margin: 0;
    padding: 0;
    list-style: none;
    transition: opacity 0.2s;
}

.row {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    gap: 4px 12px;
    align-items: start;
    padding: 14px 8px;
    margin: 0 -8px;
    width: calc(100% + 16px);
    background: none;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    text-align: left;
    transition: background 0.15s;
}

.row:hover,
.row.active {
    background: var(--surface);
}

.row.active {
    box-shadow: inset 3px 0 0 var(--accent);
}

.rank {
    font: 600 var(--fs-lg)/1.2 var(--font-display);
    color: var(--faint);
    font-variant-numeric: tabular-nums;
}

.ranking li:first-child .rank {
    color: var(--accent);
}

.row-place {
    min-width: 0;
}

.row-city {
    display: block;
    font: 600 var(--fs-lg)/1.2 var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-address {
    display: block;
    font-size: var(--fs-sm);
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
    margin-top: 6px;
    font-size: var(--fs-xs);
    color: var(--muted);
}

.row-meta .totem {
    font-size: var(--fs-md);
    color: var(--text);
    line-height: 1;
}

.tag {
    padding: 1px 6px;
    border: 1px solid var(--line);
    border-radius: 2px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text);
}

.tag.near {
    border-color: var(--muted);
}

.tag.stale {
    color: var(--loss);
    border-color: rgba(255, 122, 107, 0.4);
}

.row-cost {
    text-align: right;
}

.row-total {
    display: block;
    font: 700 var(--fs-xl)/1.1 var(--font-display);
    font-variant-numeric: tabular-nums;
}

.row-delta {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--muted);
}

.row-delta.gain {
    color: var(--accent);
}

.row-delta.loss {
    color: var(--loss);
}

.routing-note {
    margin: 16px 0 0;
    font-size: var(--fs-xs);
    color: var(--muted);
}

/* Skeleton */
.skeleton {
    display: grid;
    gap: 12px;
}

.sk {
    border-radius: var(--radius);
    background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.2s linear infinite;
}

.sk-card {
    height: 260px;
}

.sk-row {
    height: 64px;
}

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

.colophon {
    padding-top: 20px;
    padding-bottom: 32px;
    border-top: 1px solid var(--line);
    font-size: var(--fs-xs);
    color: var(--muted);
}

.colophon p {
    margin: 0 0 4px;
}

/* ---------- Map ---------- */

.leaflet-container {
    font-family: var(--font-text);
    background: #0e0f11;
}

.leaflet-control-attribution {
    background: rgba(18, 19, 22, 0.8) !important;
    color: var(--faint) !important;
}

.leaflet-control-attribution a {
    color: var(--muted) !important;
}

.leaflet-bar a {
    background: var(--surface) !important;
    color: var(--text) !important;
    border-color: var(--line) !important;
}

.map-legend {
    position: absolute;
    z-index: 500;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 12px;
    padding: 8px 12px;
    background: rgba(18, 19, 22, 0.88);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: var(--fs-xs);
    color: var(--muted);
}

.map-legend span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: var(--surface-2);
    border: 1px solid var(--muted);
}

.dot.best {
    background: var(--accent);
    border-color: var(--accent);
}

.pin-icon {
    background: none;
    border: 0;
}

.pin {
    position: absolute;
    left: 0;
    bottom: 0;
    transform: translateX(-50%);
    padding: 4px 7px 3px;
    background: var(--surface-2);
    border: 1px solid #4a4f57;
    border-radius: 3px;
    color: var(--text);
    font: 700 15px/1 var(--font-display);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    transition: transform 0.15s var(--ease), background 0.15s;
}

.pin::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -6px;
    width: 8px;
    height: 8px;
    background: inherit;
    border-right: inherit;
    border-bottom: inherit;
    transform: translateX(-50%) rotate(45deg);
}

.pin sup {
    font-size: 0.65em;
    vertical-align: 0.45em;
    line-height: 0;
}

.pin.near {
    border-color: var(--text);
}

.pin.best {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
    font-size: 17px;
}

.pin.active {
    transform: translateX(-50%) scale(1.18);
    border-color: var(--accent);
}

.pin-icon.is-active {
    z-index: 2000 !important;
}

.origin-icon {
    background: none;
    border: 0;
}

.origin-dot {
    position: relative;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text);
    border: 4px solid var(--bg);
    box-shadow: 0 0 0 2px var(--text);
}

.origin-dot::after {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 2px solid var(--text);
    opacity: 0;
    animation: ping 2.4s var(--ease) infinite;
}

/* ---------- Dialog ---------- */

dialog {
    width: min(560px, calc(100% - 32px));
    max-height: calc(100dvh - 32px);
    padding: 0;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

dialog::backdrop {
    background: rgba(8, 8, 10, 0.75);
    backdrop-filter: blur(3px);
}

dialog[open] {
    animation: rise 0.25s var(--ease);
}

.method {
    padding: 28px;
}

.method .eyebrow {
    color: var(--accent);
}

.method h2 {
    margin: 0 0 12px;
    font: 700 var(--fs-3xl)/1 var(--font-display);
}

.method h3 {
    margin: 28px 0 8px;
    font: 700 var(--fs-lg)/1.1 var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.method p {
    margin: 0 0 12px;
    color: var(--muted);
}

.formula {
    display: grid;
    gap: 8px;
    margin: 20px 0;
    padding: 16px;
    background: var(--bg);
    border-left: 3px solid var(--accent);
}

.formula div {
    display: grid;
    gap: 2px;
}

.formula .term {
    font: 700 var(--fs-lg)/1 var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.formula .expr {
    font-size: var(--fs-sm);
    color: var(--muted);
}

.formula .op {
    font: 700 var(--fs-xl)/1 var(--font-display);
    color: var(--accent);
}

.example {
    width: 100%;
    margin: 0 0 12px;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
    font-size: var(--fs-sm);
}

.example th,
.example td {
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

.example th {
    width: 32px;
    font: 700 var(--fs-lg)/1 var(--font-display);
    color: var(--accent);
}

.example td:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--text);
}

.primary-btn {
    width: 100%;
    height: 48px;
    margin-top: 12px;
    background: var(--accent);
    color: var(--accent-ink);
    border: 0;
    border-radius: var(--radius);
    font: 700 var(--fs-md)/1 var(--font-display);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ---------- Motion ---------- */

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

@keyframes shimmer {
    to { background-position: -200% 0; }
}

@keyframes ping {
    0% { transform: scale(0.6); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}

@keyframes rise {
    from { opacity: 0; transform: translateY(12px); }
}

.reveal {
    animation: rise 0.35s var(--ease) both;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}