:root {
    --bg: #f2f6fb;
    --panel: rgba(255, 255, 255, 0.96);
    --sidebar-w: 52px;
    --right-panel-w: 360px;
    --border: #d7dee6;
    --text: #263238;
    --accent: #1e88e5;
    --accent-dark: #1565c0;
    --water: #0288d1;
    --walk: #43a047;
    --danger: #e53935;
    --lunch: #ff9800;
    --night: #7b1fa2;
    --completed-bg: #e8f5e9;
    --ico: 22px;
}

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

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: var(--bg);
}

.app-shell {
    display: flex;
    height: 100vh;
    width: 100%;
}

/* LEFT SIDEBAR */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 0;
    gap: 2px;
    z-index: 1000;
}

.sidebar-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: background .15s, color .15s;
    position: relative;
}

.sidebar-btn:hover {
    background: #e3f2fd;
    color: var(--accent);
}

.sidebar-btn.active {
    background: var(--accent);
    color: #fff;
}

.sidebar-btn svg {
    width: var(--ico);
    height: var(--ico);
    pointer-events: none;
}

.sidebar-btn[disabled] {
    opacity: .4;
    cursor: default;
}

.sidebar-btn[disabled]:hover {
    background: transparent;
    color: var(--text);
}

.sidebar-sep {
    width: 28px;
    height: 1px;
    background: var(--border);
    margin: 3px 0;
}

.sidebar-btn .tooltip {
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: #37474f;
    color: #fff;
    font-size: .72rem;
    padding: 4px 8px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .15s;
    z-index: 2000;
}

.sidebar-btn:hover .tooltip {
    opacity: 1;
}

/* MAP AREA */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

#map {
    flex: 1;
    width: 100%;
    height: 100%;
}

/* CURSORS */
.leaflet-container {
    cursor: crosshair !important;
}

.leaflet-interactive {
    cursor: crosshair !important;
}

.leaflet-grab {
    cursor: crosshair !important;
}

/* LAYER SWITCHER */
.layer-switcher {
    position: absolute;
    top: 10px;
    left: 50px;
    z-index: 999;
    display: flex;
    gap: 4px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px;
}

.layer-btn {
    border: none;
    background: transparent;
    padding: 4px 10px;
    font-size: .72rem;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text);
}

.layer-btn.active {
    background: var(--accent);
    color: #fff;
}

/* SEARCH */
.search-wrapper {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
}

.search-box {
    display: flex;
    gap: 4px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 6px;
    align-items: center;
}

.search-box input {
    border: none;
    outline: none;
    background: transparent;
    font-size: .8rem;
    padding: 4px 8px;
    width: 220px;
    color: var(--text);
}

.search-box button {
    border: none;
    background: var(--accent);
    color: #fff;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: .72rem;
    cursor: pointer;
}

.search-box button:hover {
    background: var(--accent-dark);
}

.search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
}

.search-results.visible {
    display: block;
}

.search-result-item {
    padding: 6px 10px;
    font-size: .72rem;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
}

.search-result-item:hover {
    background: #e3f2fd;
}

/* ===== RIGHT PANEL ===== */
.right-panel {
    width: var(--right-panel-w);
    min-width: var(--right-panel-w);
    background: var(--panel);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 1000;
}

.rp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.rp-logo {
    height: 28px;
    width: auto;
    flex-shrink: 0;
}

.rp-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* CURSOR INFO IN RIGHT PANEL */
.rp-cursor-info {
    padding: 6px 12px;
    font-size: .68rem;
    color: #78909c;
    border-bottom: 1px solid var(--border);
    background: #fafbfc;
    flex-shrink: 0;
    display: none;
}

.rp-cursor-info.visible {
    display: block;
}

.rp-cursor-info .rp-cursor-row {
    display: flex;
    gap: 8px;
    margin-bottom: 1px;
}

.rp-cursor-info .rp-cursor-row span {
    min-width: 28px;
    color: #555;
}

.rp-cursor-info .rp-cursor-row .rp-cursor-val {
    color: #263238;
    font-weight: 500;
}

/* NEW TRACK BUTTON */
.rp-header .btn-new-track {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    border-radius: 6px;
    padding: 0 8px;
    width: auto;
    height: 28px;
    font-size: .72rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: background .15s;
}

.rp-header .btn-new-track:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
}

.rp-header .btn-new-track svg {
    width: 14px;
    height: 14px;
}

.rp-header h3 {
    font-size: .82rem;
    color: var(--accent);
    flex: 1;
}

.rp-icon-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: background .15s;
}

.rp-icon-btn svg {
    width: 14px;
    height: 14px;
}

.rp-icon-btn:hover {
    background: #e3f2fd;
}

#tracksList {
    flex: 1;
    overflow-y: auto;
}

/* TRACK ITEMS */
.track-item {
    border-bottom: 1px solid #f0f0f0;
}

.track-item.active {
    background: #e8f0fe;
}

.track-item.completed {
    background: #c8e6c9;
}

.track-item.completed .track-name {
    opacity: 1;
    text-decoration: none;
    color: #2e7d32;
}

.track-item.completed .track-color-dot {
    opacity: 1;
}

.track-status-btn svg {
    width: 13px;
    height: 13px;
}

.track-header {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    cursor: pointer;
}

.track-header:hover {
    background: rgba(0, 0, 0, .03);
}

.track-expand-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: .65rem;
    color: #999;
    transition: transform .15s;
    flex-shrink: 0;
}

.track-item.expanded .track-expand-arrow {
    transform: rotate(90deg);
}

.track-color-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, .1);
}

.track-name {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text);
    flex: 1;
    cursor: text;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.track-name-input {
    font-size: .8rem;
    font-weight: 600;
    color: var(--text);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 1px 4px;
    width: 100px;
    background: #fff;
    outline: none;
}

.track-gpx-btn,
.track-del-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .15s;
}

.track-status-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .15s;
    font-size: .7rem;
}

.track-status-btn:hover {
    background: #e3f2fd;
}

.track-gpx-btn svg,
.track-del-btn svg {
    width: 13px;
    height: 13px;
}

.track-gpx-btn {
    color: #555;
}

.track-gpx-btn:hover {
    background: #e3f2fd;
    color: var(--accent);
}

.track-del-btn {
    color: #bbb;
}

.track-del-btn:hover {
    background: #ffebee;
    color: var(--danger);
}

.track-info {
    font-size: .6rem;
    color: #78909c;
    padding: 0 10px 4px 24px;
}

/* DISTANCE LABELS ON MAP */
.dist-label {
    color: #444;
    font-size: 9.5px;
    font-weight: 700;
    font-family: Inter, sans-serif;
    -webkit-text-stroke: 2px #fff;
    paint-order: stroke fill;
    white-space: nowrap;
    pointer-events: none;
    text-shadow:
        -1px -1px 0 #fff,
        1px -1px 0 #fff,
        -1px 1px 0 #fff,
        1px 1px 0 #fff,
        0 0 3px #fff;
}

.dist-label.preview-dist {
    color: #888;
    font-size: 9px;
    opacity: 0.8;
}

/* POINTS INSIDE TRACK */
.track-points {
    display: none;
    background: #fafbfc;
}

.track-item.expanded .track-points {
    display: block;
}

.tp-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px 3px 24px;
    cursor: pointer;
    font-size: .7rem;
    transition: background .1s;
}

.tp-item:hover {
    background: #e3f2fd;
}

.tp-item.highlighted {
    background: #bbdefb;
}

.tp-item.tp-camp-item {
    cursor: default;
}

.tp-item.tp-camp-item:hover {
    background: transparent;
}

.tp-camp-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.tp-camp-icon img,
.tp-camp-icon svg {
    width: 18px;
    height: 18px;
}

.tp-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #e0e0e0;
    color: #555;
    font-size: .62rem;
    font-weight: 600;
    flex-shrink: 0;
}

.tp-dist {
    font-weight: 600;
    color: #333;
    min-width: 48px;
    font-size: .68rem;
    white-space: nowrap;
}

.tp-coords {
    font-size: .62rem;
    color: #90a4ae;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tp-empty {
    padding: 6px 10px 6px 24px;
    color: #999;
    font-size: .7rem;
}

/* TOTAL DISTANCE */
.total-distance {
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    font-size: .78rem;
    color: var(--text);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--panel);
}

.total-distance .td-label {
    color: #78909c;
    font-size: .7rem;
}

.total-distance .td-value {
    font-weight: 700;
    color: var(--accent);
    font-size: .95rem;
}

/* ELEVATION */
.elevation-panel {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    z-index: 999;
    display: none;
}

.elevation-panel.visible {
    display: block;
}

/* ELEVATION TRACK TABS */
.elev-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.elev-tab {
    padding: 3px 10px;
    font-size: .7rem;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    cursor: pointer;
    transition: background .15s, color .15s;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.elev-tab:hover {
    background: #e3f2fd;
}

.elev-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.elev-tab .tab-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
    vertical-align: middle;
}

.elev-tab .elev-tab-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    margin-left: 2px;
    border-radius: 50%;
    font-size: .55rem;
    color: #999;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.elev-tab .elev-tab-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #333;
}

.elev-tab.active .elev-tab-close:hover {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* ELEVATION CHART BUTTON IN TRACK */
.track-chart-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .15s;
    color: #999;
}

.track-chart-btn:hover {
    background: #e3f2fd;
    color: var(--accent);
}

.track-chart-btn.active {
    color: var(--accent);
    background: #e3f2fd;
}

.track-chart-btn svg {
    width: 13px;
    height: 13px;
}

/* ELEVATION CLOSE BUTTON */
.elev-close-btn {
    display: none;
    text-align: center;
    padding: 8px;
    font-size: .72rem;
    color: var(--accent);
    cursor: pointer;
    border-top: 1px solid var(--border);
    margin-top: 8px;
    transition: background .15s;
}

.elev-close-btn:hover {
    background: #e3f2fd;
}

.elev-close-btn.visible {
    display: block;
}

/* ELEVATION LOADING */
.elev-loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    font-size: .78rem;
    color: #78909c;
}

.elev-loading.visible {
    display: flex;
}

.elev-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: elev-spin 0.8s linear infinite;
}

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

.elevation-panel .close-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: #f5f5f5;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
}

.elevation-panel .close-btn:hover {
    background: #eee;
    color: #333;
}

.elevation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 6px 10px;
    margin-bottom: 8px;
    font-size: .72rem;
    padding-top: 0;
}

.elevation-stats .stat {
    display: flex;
    flex-direction: column;
}

.elevation-stats .stat .label {
    color: #78909c;
    font-size: .65rem;
}

.elevation-stats .stat .value {
    font-weight: 600;
    color: var(--text);
}

#elevationChart {
    width: 100%;
    height: 140px;
    display: block;
    cursor: pointer;
}

/* CURSOR INFO */
.cursor-info {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: .72rem;
    z-index: 999;
    display: none;
    line-height: 1.5;
}

.cursor-info.visible {
    display: block;
}

/* CONTEXT MENU */
.context-menu {
    position: absolute;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
    z-index: 2000;
    display: none;
    min-width: 170px;
    overflow: hidden;
}

.context-menu.visible {
    display: block;
}

.context-menu-item {
    padding: 7px 14px;
    font-size: .78rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}

.ctx-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.context-menu-item:hover {
    background: #e3f2fd;
}

.context-menu-item.danger {
    color: var(--danger);
}

.context-menu-item.danger:hover {
    background: #ffebee;
}

.context-menu-sep {
    height: 1px;
    background: var(--border);
    margin: 0;
}

/* CAMP TYPE POPUP */
.camp-type-popup {
    position: absolute;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .15);
    z-index: 2000;
    display: none;
    padding: 10px;
    min-width: 150px;
}

.camp-type-popup.visible {
    display: block;
}

.camp-type-title {
    font-size: .8rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.camp-type-btn {
    display: block;
    width: 100%;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: .78rem;
    cursor: pointer;
    color: var(--text);
    margin-bottom: 4px;
    text-align: left;
}

.camp-type-btn:hover {
    background: #e3f2fd;
}

.camp-type-btn.cancel {
    color: #999;
}

.camp-type-btn.cancel:hover {
    background: #f5f5f5;
}

/* TOAST */
.toast {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: #37474f;
    color: #fff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: .78rem;
    z-index: 3000;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}

.toast.visible {
    opacity: 1;
}

/* SELECTION OVERLAY */
.selection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 900;
    display: none !important;
    cursor: crosshair;
    pointer-events: none !important;
}

.selection-overlay.active {
    display: block !important;
    pointer-events: auto !important;
}

.sel-rect {
    position: absolute;
    border: 2px dashed rgba(30, 136, 229, .7);
    background: rgba(30, 136, 229, .12);
    z-index: 910;
    cursor: move;
}

.sel-rect .sel-handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border: 2px solid #fff;
    border-radius: 2px;
    z-index: 920;
}

.sel-rect .sel-handle.tl {
    top: -5px;
    left: -5px;
    cursor: nw-resize;
}

.sel-rect .sel-handle.tr {
    top: -5px;
    right: -5px;
    cursor: ne-resize;
}

.sel-rect .sel-handle.bl {
    bottom: -5px;
    left: -5px;
    cursor: sw-resize;
}

.sel-rect .sel-handle.br {
    bottom: -5px;
    right: -5px;
    cursor: se-resize;
}

.sel-rect .sel-handle.tm {
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    cursor: n-resize;
}

.sel-rect .sel-handle.bm {
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    cursor: s-resize;
}

.sel-rect .sel-handle.ml {
    top: 50%;
    left: -5px;
    transform: translateY(-50%);
    cursor: w-resize;
}

.sel-rect .sel-handle.mr {
    top: 50%;
    right: -5px;
    transform: translateY(-50%);
    cursor: e-resize;
}

.sel-actions {
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 2px;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
    z-index: 930;
}

.sel-actions button {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
}

.sel-actions .sel-save:hover {
    background: #e3f2fd;
    color: var(--accent);
}

.sel-actions .sel-del:hover {
    background: #ffebee;
    color: var(--danger);
}

/* FILE INPUT */
.file-input-hidden {
    display: none;
}

@media(max-width:900px) {
    .right-panel {
        width: 240px;
        min-width: 240px;
    }
}

@media(max-width:600px) {
    .sidebar {
        width: 44px;
        min-width: 44px;
    }

    .sidebar-btn {
        width: 36px;
        height: 36px;
    }

    .right-panel {
        width: 200px;
        min-width: 200px;
    }
}