/* ================================================================
   Approach Auto Mobility — EV Trip Planner
   ================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --green:      #5CC884;
    --green-glow: rgba(92, 200, 132, 0.22);
    --carbon:     #141414;
    --chalk:      #FFFFFB;
    --steel:      #898F89;
    --silver:     #ECEDED;
    --red:        #E05252;
    --amber:      #E0A552;

    --radius:    10px;
    --radius-lg: 16px;

    --font-head: 'Saira', system-ui, sans-serif;
    --font-body: 'Titillium Web', system-ui, sans-serif;

    --panel-w: 300px;
    --rail-w:  52px;   /* left gutter for timeline rail */
}

html { font-size: 16px; }

body {
    font-family: var(--font-body);
    background: var(--carbon);
    color: var(--carbon);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

a { color: var(--green); text-decoration: none; }
img { display: block; max-width: 100%; }

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Header ───────────────────────────────────────────────────── */
.site-header {
    flex-shrink: 0;
    background: var(--carbon);
    border-bottom: 1px solid rgba(255,255,255,.06);
    z-index: 100;
    width: 100%;
}

.header-inner {
    display: flex;
    align-items: center;
    height: 44px;
    padding-inline: 1.25rem;
}

.site-logo img { height: 26px; width: auto; }

/* ── App shell ────────────────────────────────────────────────── */
.app-shell {
    display: flex;
    height: 100%;
    overflow: hidden;
}

/* ── Left panel ───────────────────────────────────────────────── */
.left-panel {
    flex-shrink: 0;
    width: var(--panel-w);
    background: var(--chalk);
    border-right: 1px solid rgba(255,255,255,.06);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--silver) transparent;
}

.left-panel::-webkit-scrollbar { width: 4px; }
.left-panel::-webkit-scrollbar-track { background: transparent; }
.left-panel::-webkit-scrollbar-thumb { background: var(--silver); border-radius: 100px; }

.panel-head {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(20,20,20,.07);
    flex-shrink: 0;
    position: relative;
}

.panel-head::before {
    content: '';
    position: absolute;
    left: 0; top: 1rem; bottom: 1rem;
    width: 3px;
    background: var(--green);
    border-radius: 0 2px 2px 0;
}

.panel-route {
    font-family: var(--font-head);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--carbon);
    letter-spacing: -.01em;
    display: flex;
    align-items: center;
    gap: .45rem;
    margin-bottom: .2rem;
}

.route-arrow { color: var(--green); flex-shrink: 0; }

.panel-subtitle {
    font-size: .7rem;
    color: var(--steel);
    letter-spacing: .02em;
}

#planner-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 0 1.25rem;
}

.form-section {
    padding: 1rem 1.25rem .75rem;
    border-bottom: 1px solid rgba(20,20,20,.06);
}

.section-label {
    font-size: .62rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: .75rem;
}

.field-wrap {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    margin-bottom: .65rem;
}

.field-wrap:last-child { margin-bottom: 0; }

label {
    font-size: .68rem;
    font-weight: 700;
    color: var(--steel);
    letter-spacing: .06em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: .3rem;
}

.inline-val {
    font-weight: 700;
    color: var(--green);
    letter-spacing: 0;
    text-transform: none;
    font-size: .82rem;
}

/* Route connector visual */
.route-block { display: flex; gap: .85rem; align-items: stretch; }

.route-track {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
    flex-shrink: 0;
}

.rt-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.rt-dot--from { background: var(--green); box-shadow: 0 0 0 3px rgba(92,200,132,.18); }
.rt-dot--to   { background: var(--carbon); }

.rt-seg {
    flex: 1;
    width: 2px;
    background: repeating-linear-gradient(to bottom, var(--silver) 0 3px, transparent 3px 7px);
    min-height: 20px;
    margin: 4px 0;
}

.route-fields { flex: 1; display: flex; flex-direction: column; gap: .6rem; }

/* Inputs */
select,
input[type="text"],
input[type="number"] {
    width: 100%;
    font-family: var(--font-body);
    font-size: .875rem;
    color: var(--carbon);
    background: #fff;
    border: 1.5px solid rgba(20,20,20,.10);
    border-radius: var(--radius);
    padding: .55rem .75rem;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color .15s, box-shadow .15s;
}

select:hover,
input[type="text"]:hover,
input[type="number"]:hover { border-color: rgba(20,20,20,.2); }

select:focus,
input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-glow);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23898F89' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .75rem center;
    padding-right: 2.25rem;
    cursor: pointer;
}

.location-input-wrap { position: relative; display: flex; align-items: center; }
.location-input-wrap input[type="text"] { padding-right: 2.25rem; }

#locate-btn {
    position: absolute;
    right: .5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--steel);
    display: flex;
    align-items: center;
    padding: .2rem;
    border-radius: 4px;
    transition: color .15s;
}

#locate-btn:hover { color: var(--green); }

input[type="range"] {
    width: 100%;
    height: 4px;
    background: var(--silver);
    border: none;
    border-radius: 100px;
    cursor: pointer;
    accent-color: var(--green);
    padding: 0;
    margin-top: .15rem;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--green);
    border: 3px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,.2);
    cursor: pointer;
    transition: box-shadow .15s;
}

input[type="range"]:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px var(--green-glow), 0 1px 4px rgba(0,0,0,.2);
}

input[type="range"]::-moz-range-thumb {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--green);
    border: 3px solid #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,.2);
    cursor: pointer;
}

/* Speed control */
.speed-control {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: #fff;
    border: 1.5px solid rgba(20,20,20,.10);
    border-radius: var(--radius);
    padding: .3rem .5rem;
    transition: border-color .15s, box-shadow .15s;
}

.speed-control:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-glow);
}

.speed-btn {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--silver);
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--carbon);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 1;
    transition: background .15s, color .15s;
}

.speed-btn:hover { background: var(--green); color: #fff; }

.speed-display-wrap {
    flex: 1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .2rem;
}

#speed-input {
    width: 36px;
    text-align: center;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    border: none;
    background: transparent;
    padding: 0;
    color: var(--carbon);
    -moz-appearance: textfield;
    appearance: textfield;
}

#speed-input::-webkit-outer-spin-button,
#speed-input::-webkit-inner-spin-button { -webkit-appearance: none; }
#speed-input:focus { outline: none; }

.speed-unit { font-size: .68rem; color: var(--steel); font-weight: 600; }

/* Submit */
.btn-primary {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .02em;
    background: var(--green);
    color: var(--carbon);
    border: none;
    border-radius: var(--radius);
    padding: .75rem 1.25rem;
    cursor: pointer;
    transition: background .15s, box-shadow .15s, transform .1s;
    box-shadow: 0 2px 8px rgba(92,200,132,.28);
}

.btn-primary:hover {
    background: #4db872;
    box-shadow: 0 4px 14px rgba(92,200,132,.38);
    transform: translateY(-1px);
}

.btn-primary:active  { transform: translateY(0); box-shadow: none; }

.btn-primary:disabled {
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.3);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-block {
    width: calc(100% - 2.5rem);
    margin: 1.25rem 1.25rem 0;
    display: block;
}

/* ── Right panel ──────────────────────────────────────────────── */
.right-panel {
    flex: 1;
    min-width: 0;
    background: #F4F5F0;
    overflow: hidden;
    display: flex;
    flex-direction: row;
}

#map {
    flex: 0 0 55%;
    display: none;
    border-right: 1px solid rgba(20,20,20,.08);
}

/* Leaflet attribution tweak to match dark brand */
#map .leaflet-control-attribution {
    font-size: .58rem;
    background: rgba(255,255,255,.75);
}

.results-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    scrollbar-width: thin;
    scrollbar-color: rgba(20,20,20,.12) transparent;
}

.results-scroll::-webkit-scrollbar { width: 5px; }
.results-scroll::-webkit-scrollbar-track { background: transparent; }
.results-scroll::-webkit-scrollbar-thumb { background: rgba(20,20,20,.12); border-radius: 100px; }

#trip-plan {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ── Empty state ──────────────────────────────────────────────── */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .85rem;
    text-align: center;
    padding: 3rem 2rem;
}

.es-icon {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: rgba(20,20,20,.05);
    border: 1px solid rgba(20,20,20,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(20,20,20,.2);
    margin-bottom: .5rem;
}

.es-title {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    color: rgba(20,20,20,.35);
}

.es-desc {
    font-size: .82rem;
    color: rgba(20,20,20,.3);
    max-width: 260px;
    line-height: 1.6;
}

.es-desc strong { color: rgba(20,20,20,.45); font-weight: 600; }

/* ── Story — not viable warning ───────────────────────────────── */
.story-warning {
    padding: 1rem var(--rail-w);
    background: rgba(224,82,82,.08);
    border-bottom: 1px solid rgba(224,82,82,.15);
    color: var(--red);
    font-size: .85rem;
}

.story-warning strong { display: block; font-family: var(--font-head); margin-bottom: .25rem; }

/* ── Story — hero header ──────────────────────────────────────── */
.story-hero {
    padding: 1.25rem var(--rail-w) 1rem;
    border-bottom: 1px solid rgba(20,20,20,.07);
    flex-shrink: 0;
}

.story-eyebrow {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: .4rem;
    display: block;
}

.story-route-title {
    font-family: var(--font-head);
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--carbon);
    letter-spacing: -.02em;
    line-height: 1.1;
    margin-bottom: .85rem;
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
}

.story-route-arrow {
    color: var(--green);
    font-weight: 300;
    font-size: .85em;
}

.hero-stats {
    display: flex;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 0;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    padding-right: 1.1rem;
    margin-right: 1.1rem;
    border-right: 1px solid rgba(20,20,20,.1);
}

.hero-stat:last-child {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
}

.hs-value {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--carbon);
    line-height: 1;
    letter-spacing: -.02em;
}

.hs-label {
    font-size: .58rem;
    font-weight: 700;
    color: var(--steel);
    text-transform: uppercase;
    letter-spacing: .06em;
}

/* ── Story — log download row ─────────────────────────────────── */
.story-log-row {
    padding: 0 var(--rail-w) .75rem;
    display: flex;
    justify-content: flex-end;
}

.btn-log-download {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--steel);
    background: none;
    border: 1px solid rgba(20,20,20,.15);
    border-radius: 100px;
    padding: .28rem .85rem;
    cursor: pointer;
    transition: color .15s, border-color .15s;
}

.btn-log-download:hover {
    color: var(--carbon);
    border-color: rgba(20,20,20,.35);
}

/* ── Story — timeline ─────────────────────────────────────────── */
.story-timeline {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Each stop row uses a left rail + right content grid */
.story-stop {
    display: grid;
    grid-template-columns: var(--rail-w) 1fr;
}

.ss-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 1.1rem;
}

.ss-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    z-index: 1;
    position: relative;
}

.ss-dot--start       { background: var(--green);  box-shadow: 0 0 0 5px rgba(92,200,132,.18); }
.ss-dot--mandatory   { background: var(--red);    box-shadow: 0 0 0 5px rgba(224,82,82,.15); }
.ss-dot--recommended { background: var(--amber);  box-shadow: 0 0 0 5px rgba(224,165,82,.15); }
.ss-dot--optional    { background: var(--green);  box-shadow: 0 0 0 5px rgba(92,200,132,.18); }
.ss-dot--destination { background: rgba(20,20,20,.25); }

.ss-line {
    flex: 1;
    width: 1px;
    background: rgba(20,20,20,.1);
    margin-top: 8px;
}

/* Leg distance marker (sits between two story-stops) */
.story-leg {
    display: flex;
}

.sl-content {
    display: flex;
    align-items: center;
    padding: .35rem 0;
}

.sl-badge {
    font-size: .68rem;
    font-weight: 600;
    color: var(--steel);
    background: rgba(20,20,20,.05);
    border: 1px solid rgba(20,20,20,.08);
    border-radius: 100px;
    padding: .2rem .7rem;
    letter-spacing: .02em;
}

/* Stop content */
.ss-content {
    padding: 1.1rem 1.5rem 1rem 0;
    border-bottom: 1px solid rgba(20,20,20,.06);
}

.story-stop:last-child .ss-content { border-bottom: none; }

.ss-tag {
    font-size: .58rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: .35rem;
    display: block;
}

.ss-tag--mandatory   { color: var(--red); }
.ss-tag--recommended { color: var(--amber); }
.ss-tag--optional    { color: var(--green); }
.ss-tag--forced      { color: #7c9cbf; }
.ss-tag--destination { color: rgba(255,255,251,.4); }
.ss-tag--start       { color: var(--green); }

.ss-detour {
    font-size: .58rem;
    font-weight: 600;
    color: var(--steel);
    margin-left: .5rem;
    letter-spacing: .02em;
}

.ss-name {
    font-family: var(--font-head);
    font-size: clamp(.95rem, 1.5vw, 1.2rem);
    font-weight: 700;
    color: var(--carbon);
    letter-spacing: -.015em;
    line-height: 1.15;
    margin-bottom: .2rem;
}

.ss-operator {
    font-size: .72rem;
    color: var(--steel);
    margin-bottom: .5rem;
}

/* SOC big number */
.ss-soc-row {
    display: flex;
    align-items: baseline;
    gap: .1rem;
    margin-bottom: .6rem;
}

.ss-soc-num {
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.04em;
}

.ss-soc-unit {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: .05rem;
}

.ss-soc-label {
    font-size: .68rem;
    color: var(--steel);
    margin-left: .3rem;
    font-weight: 500;
}

/* Charge info block */
.ss-charge-block {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 0;
    margin-bottom: .6rem;
    border: 1px solid rgba(20,20,20,.09);
    border-radius: var(--radius);
    overflow: hidden;
    width: fit-content;
    background: rgba(255,255,255,.6);
}

.cb-item {
    padding: .45rem .8rem;
    border-right: 1px solid rgba(20,20,20,.08);
}

.cb-item:last-child { border-right: none; }

.cb-value {
    font-family: var(--font-head);
    font-size: .85rem;
    font-weight: 700;
    color: var(--carbon);
    line-height: 1.1;
}

.cb-label {
    font-size: .56rem;
    color: var(--steel);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: .12rem;
}

/* Connector chips */
.ss-chips {
    display: flex;
    gap: .35rem;
    flex-wrap: wrap;
    margin-bottom: .6rem;
}

.ss-chip {
    font-size: .65rem;
    font-weight: 600;
    border-radius: 100px;
    padding: .15rem .6rem;
}

.ss-chip--dc { background: rgba(42,125,79,.1); color: #2a7d4f; }
.ss-chip--ac { background: rgba(42,77,140,.1); color: #2a4d8c; }

/* Power-boost notice */
.ss-power-boost {
    font-size: .63rem;
    font-weight: 600;
    color: #2a7d4f;
    background: rgba(42,125,79,.07);
    border-radius: var(--radius);
    padding: .28rem .6rem;
    margin-bottom: .6rem;
    width: fit-content;
}

/* Fallback note */
.ss-fallback {
    font-size: .72rem;
    color: var(--steel);
    margin-top: .5rem;
    padding: .4rem .65rem;
    background: rgba(20,20,20,.04);
    border-radius: 6px;
    width: fit-content;
}

/* ── Leaflet popup — charger cards ───────────────────────────── */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0,0,0,.14);
    padding: 0;
    border: 1px solid rgba(20,20,20,.08);
}

.leaflet-popup-content {
    margin: .75rem 1rem;
}

.leaflet-popup-tip-container { margin-top: -1px; }

/* ── Charger hover popup ─────────────────────────────────────── */
.leaflet-popup.charger-tip .leaflet-popup-content-wrapper {
    background: #fff;
    border: 1px solid rgba(20,20,20,.08);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0,0,0,.14);
    padding: .75rem 1rem;
    white-space: normal;
}
.leaflet-popup.charger-tip .leaflet-popup-content {
    margin: 0;
    white-space: normal;
}
.leaflet-popup.charger-tip .leaflet-popup-tip-container { display: none; }

/* ── Animations ───────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.story-hero,
.story-stop,
.story-leg { animation: fadeUp .3s ease both; }

.story-stop:nth-child(2) { animation-delay: .05s; }
.story-stop:nth-child(3) { animation-delay: .1s; }
.story-stop:nth-child(4) { animation-delay: .15s; }
.story-stop:nth-child(5) { animation-delay: .2s; }
.story-stop:nth-child(6) { animation-delay: .25s; }

/* ── Optional stop toggle ─────────────────────────────────────── */
.optional-toggle-row {
    padding: .5rem 0 .5rem var(--rail-w);
}

.optional-toggle-btn {
    background: none;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 20px;
    color: #898F89;
    cursor: pointer;
    font-family: inherit;
    font-size: .75rem;
    letter-spacing: .04em;
    padding: .3rem .85rem;
    transition: border-color .15s, color .15s;
}

.optional-toggle-btn:hover {
    border-color: rgba(255,255,255,.3);
    color: #c8cec8;
}

/* ── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 720px) {
    body { height: auto; overflow: auto; }
    main { overflow: visible; }
    .app-shell { flex-direction: column; height: auto; overflow: visible; }
    .left-panel { width: 100%; border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); overflow: visible; }
    .right-panel { min-height: 60vh; flex-direction: column; }
    #map { flex: none; height: 260px; border-right: none; border-bottom: 1px solid rgba(20,20,20,.08); }
    .results-scroll { overflow: visible; }

    .story-hero { padding: .85rem 1rem .75rem; }
    .hero-stats { gap: .5rem 0; }
    .hero-stat { padding-right: .85rem; margin-right: .85rem; }
    .ss-charge-block { grid-template-columns: 1fr 1fr; }
    .ss-content { padding: .85rem 1rem .75rem 0; }
}