/* ═══════════════════════════════════════════════════════════════
   路徑計算機 (Route Calculator) 專用樣式表
   整合 GPX 軌跡修復與步道規劃磁吸算術
   ═══════════════════════════════════════════════════════════════ */

#route-calculator {
    padding: 1rem;
    box-sizing: border-box;
    color: #e2e8f0;
}

.route-calc-container {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.2rem;
    min-height: calc(100vh - 120px);
}

@media (max-width: 992px) {
    .route-calc-container {
        grid-template-columns: 1fr;
        min-height: auto;
    }
}

/* 懸浮 / 左側控制面板 (Glassmorphism Panel) */
.rc-panel {
    background: rgba(20, 26, 38, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* 雙模式切換 Tab */
.rc-tabs {
    display: flex;
    background: rgba(0, 0, 0, 0.35);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.rc-tab-btn {
    flex: 1;
    padding: 0.65rem 0.5rem;
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.rc-tab-btn.active {
    background: linear-gradient(135deg, #a855f7, #6366f1);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.35);
}

.rc-tab-btn:hover:not(.active) {
    color: #f1f5f9;
    background: rgba(255, 255, 255, 0.05);
}

/* 模式內容區塊 */
.rc-mode-content {
    display: none;
    flex-direction: column;
    gap: 1rem;
}

.rc-mode-content.active {
    display: flex;
}

/* 表單與控制項 */
.rc-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.rc-form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 6px;
}

.rc-select, .rc-input {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    color: #f8fafc;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.rc-select:focus, .rc-input:focus {
    border-color: #c084fc;
    box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.2);
}

.rc-file-dropzone {
    border: 2px dashed rgba(192, 132, 252, 0.4);
    background: rgba(192, 132, 252, 0.05);
    border-radius: 12px;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.rc-file-dropzone:hover, .rc-file-dropzone.dragover {
    border-color: #c084fc;
    background: rgba(192, 132, 252, 0.15);
    transform: translateY(-2px);
}

.rc-file-dropzone input[type="file"] {
    display: none;
}

.rc-dropzone-icon {
    font-size: 2.2rem;
    margin-bottom: 0.3rem;
}

/* 核心按鈕 */
.rc-btn {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.rc-btn-primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.rc-btn-primary:hover {
    background: linear-gradient(135deg, #34d399, #10b981);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
}

.rc-btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
}

.rc-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.rc-btn-export {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.35);
}

.rc-btn-export:hover {
    background: linear-gradient(135deg, #a78bfa, #8b5cf6);
    transform: translateY(-1px);
}

/* 右側地圖與數據視圖 */
.rc-map-view {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rc-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.8rem;
}

.rc-stat-card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.rc-stat-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rc-stat-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: #38bdf8;
    font-family: 'Inter', system-ui, sans-serif;
}

.rc-stat-sub {
    font-size: 0.75rem;
    color: #64748b;
}

/* 地圖容器 */
#rc-map {
    width: 100%;
    height: 420px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* 高程剖面圖容器 */
.rc-profile-container {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.rc-profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rc-profile-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #c084fc;
    display: flex;
    align-items: center;
    gap: 6px;
}

#rc-elevation-canvas {
    width: 100%;
    height: 140px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
    cursor: crosshair;
}

/* 斷點警示 Badge */
.rc-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.rc-badge-warning {
    background: rgba(245, 158, 11, 0.18);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.rc-badge-success {
    background: rgba(16, 185, 129, 0.18);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* 地圖圖層切換選單 (Map Layer Control - Dropdown/Collapsible) */
.rc-layer-control {
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    padding: 0.4rem 0.6rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
    color: #f8fafc;
    font-size: 0.85rem;
    pointer-events: auto;
    z-index: 1000;
    transition: all 0.25s ease;
}

.rc-layer-toggle-btn {
    background: transparent;
    border: none;
    color: #f8fafc;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 0.2rem 0.4rem;
    width: 100%;
    outline: none;
}

.rc-layer-toggle-btn:hover {
    color: #c084fc;
}

.rc-layer-arrow {
    font-size: 0.75rem;
    transition: transform 0.25s ease;
    color: #a855f7;
}

.rc-layer-menu {
    display: none;
    flex-direction: column;
    gap: 0.45rem;
    padding-top: 0.5rem;
    margin-top: 0.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* Hover or Click to Expand */
.rc-layer-control-collapsible:hover .rc-layer-menu,
.rc-layer-control-collapsible.open .rc-layer-menu {
    display: flex;
}

.rc-layer-control-collapsible:hover .rc-layer-arrow,
.rc-layer-control-collapsible.open .rc-layer-arrow {
    transform: rotate(180deg);
}

.rc-layer-control label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    white-space: nowrap;
    transition: color 0.15s ease;
}

.rc-layer-control label:hover {
    color: #ffffff;
}

.rc-layer-control input[type="checkbox"] {
    accent-color: #c084fc;
    width: 15px;
    height: 15px;
    cursor: pointer;
}

/* 山岳 Marker 樣式 */
.rc-peak-marker-baiyue {
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.6);
    transition: transform 0.2s ease;
}

.rc-peak-marker-xiaobaiyue {
    background: linear-gradient(135deg, #10b981, #3b82f6);
    color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.6);
    transition: transform 0.2s ease;
}

.rc-peak-marker-trailhead {
    background: linear-gradient(135deg, #059669, #34d399);
    color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.6);
    transition: transform 0.2s ease;
}

.rc-peak-marker-hut {
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.6);
    transition: transform 0.2s ease;
}

.rc-peak-marker-baiyue:hover, .rc-peak-marker-xiaobaiyue:hover, .rc-peak-marker-trailhead:hover, .rc-peak-marker-hut:hover {
    transform: scale(1.25);
    z-index: 1000 !important;
}

/* 山岳 Tooltip 提示框樣式 */
.rc-peak-tooltip {
    background: rgba(15, 23, 42, 0.92) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(192, 132, 252, 0.35) !important;
    border-radius: 8px !important;
    color: #f1f5f9 !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    padding: 4px 10px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45) !important;
    white-space: nowrap;
}

.rc-peak-tooltip::before {
    border-top-color: rgba(15, 23, 42, 0.92) !important;
}

/* Popup 彈窗樣式 */
.leaflet-popup-content-wrapper {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 14px !important;
    color: #f8fafc !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5) !important;
}

.leaflet-popup-tip {
    background: rgba(15, 23, 42, 0.95) !important;
}

.rc-popup-container {
    padding: 0.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.rc-popup-title {
    font-size: 1rem;
    font-weight: 800;
    color: #f8fafc;
    display: flex;
    align-items: center;
    gap: 6px;
}

.rc-popup-ele {
    font-size: 0.85rem;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
}

.rc-popup-cat {
    font-size: 0.75rem;
    color: #94a3b8;
}

.rc-popup-btn-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.3rem;
}

.rc-popup-btn {
    border: none;
    border-radius: 6px;
    padding: 0.45rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.rc-popup-btn-start {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
}

.rc-popup-btn-start:hover {
    background: linear-gradient(135deg, #34d399, #10b981);
}

.rc-popup-btn-waypoint {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    color: #ffffff;
}

.rc-popup-btn-waypoint:hover {
    background: linear-gradient(135deg, #a78bfa, #8b5cf6);
}

.rc-popup-btn-delete {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #ffffff;
    margin-top: 0.2rem;
}

.rc-popup-btn-delete:hover {
    background: linear-gradient(135deg, #f87171, #ef4444);
    transform: scale(1.02);
}

/* 搜尋表單選單樣式 (Preset Route Search Dropdown) */
.rc-search-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(192, 132, 252, 0.4);
    border-radius: 10px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 9999 !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
}

.rc-search-item {
    padding: 0.55rem 0.8rem;
    font-size: 0.85rem;
    color: #e2e8f0;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s ease, color 0.15s ease;
}

.rc-search-item:last-child {
    border-bottom: none;
}

.rc-search-item:hover, .rc-search-item.active {
    background: rgba(192, 132, 252, 0.22);
    color: #ffffff;
}

.rc-search-item-cat {
    font-size: 0.72rem;
    color: #c084fc;
    background: rgba(192, 132, 252, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
}

.rc-search-item-empty {
    padding: 0.8rem;
    font-size: 0.85rem;
    color: #94a3b8;
    text-align: center;
}