:root {
    --bg: #e2e8f0;
    --panel: rgba(255, 255, 255, 0.96);
    --panel-strong: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --line: rgba(15, 23, 42, 0.12);
    --primary: #0f766e;
    --primary-strong: #115e59;
    --accent: #f97316;
    --danger: #b91c1c;
    --shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
    --radius: 20px;
    --radius-sm: 14px;
    --space-1: 0.5rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.25rem;
    --space-5: 1.5rem;
    --top-safe: env(safe-area-inset-top, 0px);
    --bottom-safe: env(safe-area-inset-bottom, 0px);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: Inter, system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
}

.auth-page { min-height: 100dvh; display: grid; place-content: center; gap: 1.25rem; padding: 1.5rem; }
.auth-page .brand { text-decoration: none; color: var(--text); text-align: center; }
.auth-card { width: min(100%, 28rem); display: grid; gap: 1rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.auth-card form { display: grid; gap: 0.85rem; }
.auth-card label { display: grid; gap: 0.35rem; color: var(--muted); }
.auth-card input { padding: 0.7rem; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.auth-card .auth-check { display: flex; align-items: center; }
.auth-message { margin: 0; padding: 0.75rem; border-radius: 10px; }
.auth-message.error { background: #fee2e2; color: #991b1b; }.auth-message.success { background: #dcfce7; color: #166534; }
.avatar-preview { width: 5rem; height: 5rem; border-radius: 999px; object-fit: cover; }

body {
    overflow: hidden;
}

.auth-body {
    overflow: auto;
}

button,
select {
    font: inherit;
}

.hidden {
    display: none !important;
}

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

.app-shell {
    height: 100dvh;
    display: flex;
    flex-direction: column;
}

.topbar {
    position: relative;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: calc(var(--top-safe) + var(--space-2)) var(--space-3) var(--space-2);
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.72));
    backdrop-filter: blur(10px);
}

.brand {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.brand span {
    color: var(--primary);
}

.user-status { color: var(--muted); font-size: 0.85rem; }

.topbar-actions,
.action-row,
.recent-header {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.topbar-actions,
.action-row {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.planner-card .action-row {
    margin-top: var(--space-2);
}

.planner-primary-actions {
    justify-content: flex-start;
}

.planner-card .planner-primary-actions #calculate-button {
    flex: 0 1 12rem;
    min-width: 12rem;
    padding: 0.65rem 0.85rem;
}

.planner-card .planner-primary-actions #recent-toggle {
    flex: 0 0 auto;
    margin-left: auto;
    padding: 0.65rem 0.85rem;
}

.planner-card #share-button,
.planner-card #gpx-button,
.planner-card #reset-button {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.7rem 0.45rem;
    text-align: center;
}

.planner-card .action-row button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
}

.planner-card .action-row button svg {
    width: 1rem;
    height: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.layout {
    position: relative;
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr);
    min-height: 0;
}

.map-stage,
#map {
    min-height: 0;
    height: 100%;
}

.map-stage {
    position: relative;
    z-index: 0;
}

#map {
    width: 100%;
    background: #cbd5e1;
}

.side-panel {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1001;
    display: grid;
    gap: var(--space-3);
    width: min(100%, 28rem);
    padding: var(--space-3);
    max-height: calc(100dvh - 5rem);
    overflow: auto;
    transition: transform 180ms ease, opacity 180ms ease;
}

.side-panel.is-collapsed {
    transform: translateX(calc(100% + 1rem));
    opacity: 0;
    pointer-events: none;
}

.bottom-panel {
    position: absolute;
    left: var(--space-3);
    right: var(--space-3);
    bottom: calc(var(--bottom-safe) + var(--space-3));
    z-index: 1001;
    display: grid;
    gap: var(--space-2);
    max-height: min(42dvh, 28rem);
    overflow: auto;
    transition: transform 180ms ease, opacity 180ms ease;
}

.bottom-panel.is-collapsed {
    transform: translateY(calc(100% + 1rem));
    opacity: 0;
    pointer-events: none;
}

.panel-tab {
    position: absolute;
    z-index: 1003;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    color: var(--text);
    box-shadow: var(--shadow);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
}

.panel-tab svg {
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.panel-tab:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.panel-tab-controls {
    top: var(--space-3);
    right: 0;
    min-height: 7.5rem;
    padding: 0.8rem 0.55rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    transition: right 180ms ease;
}

.layout.controls-open .panel-tab-controls {
    right: min(100%, 28rem);
}

.panel-tab-details {
    bottom: 0;
    left: 50%;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transform: translateX(-50%);
    transition: bottom 180ms ease;
}

.layout.details-open .panel-tab-details {
    bottom: calc(min(42dvh, 28rem) + var(--space-3) - 0.5rem);
}

.layout.controls-open .panel-tab-controls .panel-tab-chevron,
.layout.details-open .panel-tab-details .panel-tab-chevron {
    transform: rotate(180deg);
}

.panel-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-3);
}

.planner-card {
    margin-top: 0;
    border-top-left-radius: 0;
}

.panel-shell-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.panel-shell-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.planner-fields,
#waypoints-container,
.results-content,
.recent-list,
.legs-list {
    display: grid;
    gap: var(--space-2);
}

.place-field-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-2);
    align-items: start;
}

.place-badge {
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: #dcfce7;
    color: #166534;
    font-weight: 700;
}

.destination-badge {
    background: #fee2e2;
    color: #991b1b;
}

.waypoint-badge {
    background: #ffedd5;
    color: #9a3412;
}

.place-field-wrapper,
.place-input-shell {
    min-height: 3rem;
    border-radius: var(--radius-sm);
    background: var(--panel-strong);
    border: 1px solid var(--line);
}

.search-field {
    position: relative;
    display: flex;
    align-items: center;
}

.search-field input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    padding: 0.75rem;
    color: var(--text);
    font: inherit;
}

.origin-search-field input {
    padding-right: 3.1rem;
}

.geolocate-field-button {
    position: absolute;
    top: 50%;
    right: 0.35rem;
    display: grid;
    width: 2.2rem;
    height: 2.2rem;
    padding: 0;
    place-items: center;
    transform: translateY(-50%);
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--primary);
    cursor: pointer;
}

.geolocate-field-button:hover {
    background: #ccfbf1;
}

.geolocate-field-button svg {
    width: 1.2rem;
    height: 1.2rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.waypoint-search-field input {
    padding-right: 3.1rem;
}

.waypoint-field-row {
    display: grid;
    grid-template-columns: 2rem 2rem minmax(0, 1fr);
    gap: var(--space-2);
    align-items: start;
}

.drag-handle,
.waypoint-remove {
    display: grid;
    place-items: center;
    border: 0;
    color: var(--muted);
    cursor: grab;
}

.drag-handle {
    width: 2rem;
    height: 3rem;
    padding: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    touch-action: none;
}

.drag-handle:active { cursor: grabbing; }
.drag-handle:hover { background: #f1f5f9; color: var(--text); }

.drag-handle svg,
.waypoint-remove svg {
    width: 1.15rem;
    height: 1.15rem;
    fill: currentColor;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.waypoint-remove {
    position: absolute;
    top: 50%;
    right: 0.35rem;
    width: 2.2rem;
    height: 2.2rem;
    padding: 0;
    transform: translateY(-50%);
    border-radius: 999px;
    background: transparent;
    cursor: pointer;
}

.waypoint-remove svg { fill: none; }
.waypoint-remove:hover { background: #fee2e2; color: var(--danger); }

.waypoint-row.is-dragging { opacity: 0.45; }
.waypoint-row.is-drop-before { box-shadow: 0 -3px 0 var(--primary); }
.waypoint-row.is-drop-after { box-shadow: 0 3px 0 var(--primary); }
.is-dragging-waypoint { user-select: none; }

.suggestions {
    position: absolute;
    z-index: 10;
    top: calc(100% + 0.25rem);
    right: 0;
    left: 0;
    overflow: auto;
    max-height: 14rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
    box-shadow: var(--shadow);
}

.suggestions button {
    display: block;
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: #fff;
    padding: 0.7rem;
    color: var(--text);
    text-align: left;
    cursor: pointer;
}

.suggestions button:last-child { border-bottom: 0; }
.suggestions button:hover { background: #f0fdfa; }

.pedal-marker-shell { background: transparent; border: 0; }
.pedal-marker {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border: 2px solid #fff;
    border-radius: 999px;
    background: var(--marker-color);
    box-shadow: 0 2px 7px rgba(15, 23, 42, 0.3);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
}

.grade-legend {
    display: grid;
    gap: 0.28rem;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
    color: var(--text);
    font-size: 0.72rem;
}

.grade-legend strong { font-size: 0.78rem; }
.grade-legend span { display: flex; align-items: center; gap: 0.4rem; }
.grade-legend i { width: 1.25rem; border-top: 4px solid var(--grade-color); border-radius: 999px; }

.place-input-shell {
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
}

.place-input-shell gmp-place-autocomplete {
    width: 100%;
}

.text-button,
.ghost-button,
.secondary-button,
.primary-button {
    border: 0;
    border-radius: 999px;
    padding: 0.8rem 1rem;
    cursor: pointer;
}

.primary-button {
    background: var(--primary);
    color: #fff;
    font-weight: 700;
}

.secondary-button {
    background: #dbeafe;
    color: #1d4ed8;
}

.ghost-button,
.text-button {
    background: #f8fafc;
    color: var(--text);
    border: 1px solid var(--line);
}

.text-button {
    width: fit-content;
}

#add-waypoint-button {
    justify-self: end;
}

.status-banner {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1002;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.86);
    color: #fff;
}

.inline-map-controls {
    display: grid;
    gap: 0.5rem;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
}

.map-control-field {
    display: grid;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.map-control-field[for="profile-select"] {
    margin-bottom: var(--space-2);
}

.map-control-field select {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 0.7rem 0.85rem;
    color: var(--text);
}

.map-control-field input {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 0.7rem 0.85rem;
    color: var(--text);
    width: 100%;
}

.empty-state,
.context-note,
.recent-item-meta,
.stat-label,
.leg-item {
    color: var(--muted);
}

.warning-note {
    color: #92400e;
    background: #fffbeb;
    border-radius: var(--radius-sm);
    padding: 0.75rem;
}

.route-cards,
.stats-grid {
    display: grid;
    gap: var(--space-2);
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
    align-items: stretch;
}

.detail-group {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
}

.detail-group h3 {
    margin: 0;
    font-size: 0.95rem;
}

.detail-group-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem 1rem;
}

.detail-metric {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.detail-metric span {
    color: var(--muted);
    font-size: 0.78rem;
}

.detail-metric strong {
    font-size: 0.95rem;
}

.detail-leg-list {
    display: grid;
    gap: 0.45rem;
}

.detail-leg {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.45rem;
    border-top: 1px solid var(--line);
}

.detail-leg:first-child {
    border-top: 0;
    padding-top: 0;
}

.detail-leg span {
    color: var(--muted);
}

.detail-leg strong {
    text-align: right;
}

.route-card,
.stat-card,
.recent-item,
.map-choice-menu {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 0.9rem;
}

.map-choice-menu {
    display: grid;
    gap: 0.75rem;
    min-width: 32rem;
}

.map-choice-details {
    display: grid;
    gap: 0.3rem;
    min-height: 3.1rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.map-choice-details div {
    display: flex;
    gap: 0.4rem;
}

.map-choice-details strong {
    color: var(--text);
}

.map-choice-actions {
    display: flex;
    gap: 0.6rem;
}

.map-choice-actions .ghost-button {
    display: inline-flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    white-space: nowrap;
}

.map-choice-menu svg {
    width: 1.15rem;
    height: 1.15rem;
    fill: none;
    stroke: var(--primary);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.route-card-metric {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 0.3rem;
}

.route-card-metric svg,
.stat-icon svg {
    width: 1rem;
    height: 1rem;
    stroke: var(--primary);
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

.stat-card {
    display: grid;
    gap: 0.35rem;
    min-height: 100%;
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 999px;
    background: #ecfeff;
}

.route-card.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.14);
}

.stat-card strong,
.recent-item strong,
.route-card strong {
    display: block;
    margin-bottom: 0.25rem;
}

.chart-wrap {
    min-height: 220px;
}

.bottom-panel .chart-wrap {
    min-height: 260px;
    order: -1;
}

.bottom-panel .results-content {
    gap: var(--space-3);
}

.routes-card {
    display: grid;
    gap: var(--space-2);
}

.recent-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.waypoint-row {
    display: grid;
    gap: 0.5rem;
}

.no-js,
.error-page {
    padding: 2rem;
}

@media (min-width: 1024px) {
    .layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .side-panel {
        top: var(--space-3);
        right: var(--space-3);
        bottom: auto;
        max-height: calc(100dvh - 7rem);
        width: 26rem;
        padding: 0;
        overflow: auto;
    }

    .bottom-panel {
        left: var(--space-3);
        right: calc(26rem + (var(--space-3) * 2));
        max-height: 20rem;
    }

    .bottom-panel .chart-wrap {
        min-height: 280px;
    }

    .layout.controls-open .panel-tab-controls {
        right: calc(26rem + var(--space-3));
    }

    .layout.details-open .panel-tab-details {
        bottom: calc(20rem + var(--space-3) - 0.5rem);
    }

    .inline-map-controls {
        grid-template-columns: minmax(0, 1fr) auto;
    }
}