:root {
    --primary: #00e5ff;
    --primary-glow: rgba(0, 229, 255, 0.4);
    --bg-dark: #090a0f;
    --glass-bg: rgba(9, 10, 15, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #fff;
    --text-muted: #8b92a5;
    --radius: 16px;
    --ease: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family:
        system-ui,
        -apple-system,
        sans-serif;
    color: var(--text-main);
    background: var(--bg-dark);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

#mapContainer {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.amap-logo,
.amap-copyright {
    display: none !important;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
}

/* 左面板 */
.control-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    transition: var(--ease);
    overflow: visible;
    width: 320px;
}

.panel-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    scrollbar-width: none;
}

.panel-body::-webkit-scrollbar {
    display: none;
}

/* 折叠态 */
.control-panel.collapsed {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
}

.control-panel.collapsed .panel-body {
    display: none;
}

.panel-header h1 {
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(135deg, #fff, var(--primary));
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.control-group {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.control-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.label {
    font-size: 13px;
    font-weight: 500;
}

.group-title {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: block;
}

.hint {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.2);
    margin-top: 6px;
}

.fmt-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
}

.fmt-row label {
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
}

.fmt-row input[type="radio"] {
    accent-color: var(--primary);
}

/* 开关 */
.switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 22px;
    transition: 0.35s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: 0.35s;
}

input:checked+.slider {
    background: var(--primary);
}

input:checked+.slider:before {
    transform: translateX(20px);
}

/* 底图按钮 */
.map-mode-selector {
    display: flex;
    gap: 6px;
}

.mode-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    padding: 7px 4px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    transition: var(--ease);
}

.mode-btn.active {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* 引擎单选 */
.engine-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: rgba(0, 0, 0, 0.2);
    padding: 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.engine-label {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: var(--text-light);
    cursor: pointer;
    gap: 6px;
}

.engine-label input[type="radio"] {
    accent-color: var(--primary);
}

/* 滑杆 */
.slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-row span {
    font-size: 12px;
    color: var(--primary);
    min-width: 28px;
    text-align: right;
}

input[type="range"] {
    appearance: none;
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 6px var(--primary-glow);
}

/* 按钮区 */
.btn-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 12px;
}

.tool-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: var(--ease);
    text-align: center;
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.tool-btn.full-w {
    width: 100%;
}

.massive-btn {
    background: linear-gradient(135deg, var(--primary), #0099cc);
    color: #000;
    font-weight: 600;
    border: none;
}

.massive-btn:hover {
    background: linear-gradient(135deg, #00e5ff, #00bfff);
    box-shadow: 0 4px 14px var(--primary-glow);
    transform: translateY(-1px);
    color: #000;
}

/* 折叠按钮 */
.collapse-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    z-index: 2;
    padding: 4px 8px;
    transition: var(--ease);
    line-height: 1;
}

.collapse-btn:hover {
    color: var(--primary);
}

.control-panel.collapsed .collapse-btn {
    position: static;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 16px;
    padding: 0;
}

/* 加载 */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 50;
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 229, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 18px;
}

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

/* 弹窗 */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: var(--ease);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 460px;
    max-width: 90%;
    padding: 28px;
    transform: translateY(20px);
    transition: var(--ease);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.modal-header h2 {
    font-size: 18px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 26px;
    cursor: pointer;
}

.modal-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 10px;
    border-radius: 8px;
    outline: none;
    font-size: 13px;
}

.form-group input:focus {
    border-color: var(--primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 28px;
}

.btn {
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    font-size: 13px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    font-weight: 600;
}

/* 吐司 */
.toast {
    position: fixed;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    color: #111;
    padding: 10px 22px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
    transition: 0.5s;
    z-index: 200;
    white-space: nowrap;
}

.toast.show {
    bottom: 36px;
}

body.exporting .control-panel {
    display: none !important;
}