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

html, body {
    height: 100%;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background-color: #f5f7fb;
    overflow: hidden;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background-color: #6366f1;
    color: white;
    font-size: 14px;
    border-radius: 0;
}

.header-left h1 {
    font-size: 18px;
    font-weight: 600;
    display: inline;
    margin-right: 12px;
}

.header-left #project-title {
    font-size: 14px;
    opacity: 0.9;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-right #user-email {
    font-size: 13px;
    opacity: 0.9;
}

.menubar {
    display: flex;
    background-color: #FFFFFF;
    padding-left: 8px;
    height: 34px;
    align-items: center;
    border-bottom: 1px solid #E0E2E8;
}

.menu-item {
    position: relative;
    padding: 0 16px;
    height: 100%;
    display: flex;
    align-items: center;
    color: #333;
    font-size: 13px;
    cursor: pointer;
    border-radius: 4px;
    margin: 2px 4px;
}

.menu-item:hover {
    background-color: rgba(99, 102, 241, 0.10);
}

.menu-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    border: 1px solid #E0E2E8;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 150px;
    display: none;
    z-index: 1000;
    border-radius: 6px;
    overflow: hidden;
}

.menu-item:hover .menu-dropdown {
    display: block;
}

/* 点击菜单选项后强制隐藏下拉, 避免与模态对话框重叠 */
.menu-dropdown.force-hide {
    display: none !important;
}

.menu-option {
    padding: 7px 16px;
    font-size: 13px;
    cursor: pointer;
    color: #333;
    white-space: nowrap;
}

.menu-option:hover {
    background-color: rgba(99, 102, 241, 0.10);
    color: #6366f1;
}

.menu-separator {
    height: 1px;
    background-color: #E8E8E8;
    margin: 4px 0;
}

.toolbar {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E0E2E8;
    gap: 4px;
    overflow-x: auto;
    flex-wrap: wrap;
}

.toolbar::-webkit-scrollbar {
    height: 4px;
}

.toolbar::-webkit-scrollbar-thumb {
    background-color: #C0C0C0;
    border-radius: 2px;
}

.toolbar::-webkit-scrollbar-thumb:hover {
    background-color: #A0A0A0;
}

.tool-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 54px;
    border: 1px solid transparent;
    background-color: transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    padding: 4px;
    color: #666;
}

.tool-btn:hover {
    background-color: #F0F0F0;
    border-color: #CCC;
    color: #333;
}

.tool-btn:active {
    background-color: #E0E0E0;
}

.tool-btn.active,
.tool-btn.active:hover {
    background-color: #E8E8E8;
    border-color: #999;
    color: #333;
}

.tool-btn.active .tool-text {
    color: #333;
}

.tool-icon {
    width: 20px;
    height: 20px;
    margin-bottom: 3px;
}

.tool-text {
    font-size: 10px;
    color: #666;
}

.tool-separator {
    width: 1px;
    height: 40px;
    background-color: #E0E2E8;
    margin: 0 6px;
}

.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 300px;
    min-width: 280px;
    background-color: #FFFFFF;
    border-right: 1px solid #E0E2E8;
    display: flex;
    flex-direction: column;
    padding: 8px;
    gap: 6px;
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: #C0C0C0;
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background-color: #A0A0A0;
}

.sidebar .panel {
    flex-shrink: 0;
}

.sidebar .panel:last-of-type {
    margin-bottom: 8px;
}

/* 右侧统计/工具栏：保持每个 panel 自然高度，超出时整体滚动 */
.stats-panel .panel {
    flex-shrink: 0;
}

.panel {
    background-color: #FFFFFF;
    border: 1px solid #E0E2E8;
    border-radius: 8px;
    overflow: hidden;
}

.panel h3 {
    font-size: 13px;
    font-weight: 600;
    padding: 10px 12px;
    background-color: #F7F8FA;
    border-bottom: 1px solid #E0E2E8;
    color: #2C3E50;
}

.panel-content {
    padding: 10px;
}

.mount-list {
    min-height: 150px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #E0E2E8;
    border-radius: 4px;
    background-color: #FFFFFF;
    margin-bottom: 10px;
}

.mount-list::-webkit-scrollbar {
    width: 6px;
}

.mount-list::-webkit-scrollbar-thumb {
    background-color: #C0C0C0;
    border-radius: 3px;
}

.mount-item {
    padding: 7px 10px;
    font-size: 12px;
    color: #333;
    cursor: pointer;
    border-bottom: 1px solid #F0F0F0;
    border-radius: 2px;
}

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

.mount-item:hover {
    background-color: #F5F7FA;
}

.mount-item.selected {
    background-color: rgba(99, 102, 241, 0.10);
    color: #6366f1;
}

.config-actions {
    display: flex;
    gap: 6px;
}

.btn {
    padding: 6px 14px;
    border: 1px solid #C0C0C0;
    background-color: #FFFFFF;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.btn:hover {
    background-color: #F5F7FA;
    border-color: #A8A8A8;
}

.btn:active {
    background-color: #E8E8E8;
}

.btn-small {
    padding: 4px 10px;
    font-size: 11px;
}

.btn-secondary {
    background-color: #666666;
    color: white;
    border-color: #666666;
}

.btn-secondary:hover {
    background-color: #555555;
    border-color: #555555;
}

.btn-primary {
    background-color: #6366f1;
    color: white;
    border-color: #6366f1;
}

.btn-primary:hover {
    background-color: #5850ec;
    border-color: #5850ec;
}

.btn-primary:active {
    background-color: #4f46e5;
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: #555;
    margin-bottom: 4px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid #D0D0D0;
    border-radius: 5px;
    font-size: 12px;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

.form-group input:disabled,
.form-group select:disabled {
    background-color: #F5F5F5;
    color: #999;
    cursor: not-allowed;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 6px;
    accent-color: #6366f1;
}

.form-checkbox {
    display: flex;
    align-items: center;
}

.form-checkbox label {
    display: inline;
    margin-bottom: 0;
    margin-left: 4px;
}

.zone-tree {
    min-height: 200px;
    max-height: 405px;
    overflow-y: auto;
    border: 1px solid #E0E2E8;
    border-radius: 4px;
    background-color: #FFFFFF;
    margin-bottom: 10px;
}

.zone-tree::-webkit-scrollbar {
    width: 6px;
}

.zone-tree::-webkit-scrollbar-thumb {
    background-color: #C0C0C0;
    border-radius: 3px;
}

.tree-empty {
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 12px;
}

.tree-item {
    padding: 6px 8px 6px 24px;
    font-size: 12px;
    color: #333;
    cursor: pointer;
    border-bottom: 1px solid #F0F0F0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 2px;
}

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

.tree-item:hover {
    background-color: #F5F7FA;
}

.tree-item.selected {
    background-color: rgba(99, 102, 241, 0.10);
    color: #6366f1;
}

.tree-item.subzone {
    padding-left: 42px;
    color: #666;
}

.tree-item-exclusion {
    color: #888;
    font-style: italic;
}

.tree-item-exclusion.selected {
    background-color: #FFF3E0;
    color: #E65100;
}

.tree-item .config-name {
    font-size: 11px;
    color: #999;
    margin-left: 8px;
}

.zone-actions {
    display: flex;
    gap: 6px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid #F0F0F0;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-size: 11px;
    color: #666;
}

.info-value {
    font-size: 11px;
    color: #333;
    font-weight: 500;
}

.info-blue {
    color: #6366f1;
}

.auto-layout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.45);
    flex-shrink: 0;
    margin-top: 4px;
}

.auto-layout-btn:hover {
    background: linear-gradient(135deg, #5850ec 0%, #6366f1 100%);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.55);
    transform: translateY(-1px);
}

.auto-layout-btn:active {
    background: linear-gradient(135deg, #4f46e5 0%, #5850ec 100%);
    transform: translateY(0);
}

.auto-layout-btn.disabled,
.auto-layout-btn:disabled {
    background: #CCCCCC;
    color: #999999;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    opacity: 0.7;
}

.auto-layout-btn.disabled:hover,
.auto-layout-btn:disabled:hover {
    background: #CCCCCC;
    transform: none;
    box-shadow: none;
}

.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f5f7fb;
    position: relative;
    overflow: hidden;
}

.drawing-canvas {
    background-color: #FFFFFF;
    border: 1px solid #E0E2E8;
    cursor: crosshair;
    display: block;
    width: 100%;
    height: 100%;
}

.stats-panel {
    width: 400px;
    background-color: #FFFFFF;
    border-left: 1px solid #E0E2E8;
    display: flex;
    flex-direction: column;
    padding: 8px;
    gap: 8px;
    overflow-y: auto;
}

.stats-panel::-webkit-scrollbar {
    width: 6px;
}

.stats-panel::-webkit-scrollbar-thumb {
    background-color: #C0C0C0;
    border-radius: 3px;
}

.stats-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

.stats-table th,
.stats-table td {
    border: 1px solid #E0E2E8;
    padding: 5px 8px;
    text-align: center;
}

.stats-table th {
    background-color: #F7F8FA;
    font-weight: 600;
    color: #333;
}

.stats-table tr:nth-child(even) {
    background-color: #FAFAFA;
}

.stats-table tr:hover {
    background-color: rgba(99, 102, 241, 0.05);
}

.stats-table tr.selected {
    background-color: rgba(99, 102, 241, 0.10);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
    font-size: 12px;
}

.stat-item label {
    color: #666;
}

.stat-item span {
    color: #333;
    font-weight: 500;
}

.stat-highlight {
    background-color: rgba(99, 102, 241, 0.10);
    padding: 10px 12px;
    margin: 4px -10px;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 4px;
}

.stat-highlight label {
    color: #6366f1;
    font-weight: 500;
}

.stat-highlight span {
    color: #6366f1;
    font-weight: 600;
    font-size: 16px;
}

.btn-full {
    width: 100%;
    padding: 10px;
    background-color: #6366f1;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-full:hover {
    background-color: #5850ec;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    padding: 5px 16px;
    background-color: #FFFFFF;
    border-top: 1px solid #E0E2E8;
    font-size: 12px;
    color: #666;
}

.status-bar span {
    margin-right: 24px;
}

.context-menu {
    position: fixed;
    background-color: white;
    border: 1px solid #E0E2E8;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    border-radius: 6px;
    min-width: 150px;
    display: none;
    z-index: 10000;
    overflow: hidden;
}

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

.context-item {
    padding: 8px 18px;
    font-size: 13px;
    cursor: pointer;
    color: #333;
    white-space: nowrap;
}

.context-item:hover {
    background-color: rgba(99, 102, 241, 0.10);
    color: #6366f1;
}

.context-separator {
    height: 1px;
    background-color: #E8E8E8;
    margin: 4px 0;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 20000;
}

.modal-overlay.show {
    display: flex;
}

.modal-dialog {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    min-width: 420px;
    max-width: 520px;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E0E2E8;
}

.modal-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: #2C3E50;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.modal-close:hover {
    color: #333;
    background-color: #F0F0F0;
}

.modal-body {
    padding: 20px;
    max-height: 550px;
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-thumb {
    background-color: #C0C0C0;
    border-radius: 3px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 14px 20px;
    background-color: #F7F8FA;
    border-top: 1px solid #E0E2E8;
}

.modal-footer .btn {
    padding: 8px 28px;
    font-size: 13px;
    min-width: 100px;
    border-radius: 5px;
}

.color-picker {
    display: flex;
    gap: 10px;
    align-items: center;
}

.color-picker input[type="color"] {
    width: 44px;
    height: 32px;
    border: 1px solid #D0D0D0;
    border-radius: 4px;
    cursor: pointer;
}

.color-picker input[type="text"] {
    flex: 1;
    width: auto !important;
}

.progress-bar {
    height: 28px;
    background-color: #F0F0F0;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 14px;
    border: 1px solid #E0E2E8;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1 0%, #8b5cf6 100%);
    transition: width 0.3s ease;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #666;
}

.login-container,
.register-container,
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #f5f7fb 0%, #E8ECF0 100%);
}

.login-box,
.register-box,
.auth-card {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    width: 380px;
}

.login-box h2,
.register-box h2,
.auth-card h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2C3E50;
    font-size: 24px;
    font-weight: 600;
}

.auth-card h1 {
    text-align: center;
    color: #6366f1;
    margin-bottom: 8px;
    font-size: 20px;
}

.auth-card h2 {
    margin-bottom: 30px;
}

.login-box .form-group,
.register-box .form-group,
.auth-card .form-group {
    margin-bottom: 20px;
}

.login-box .form-group label,
.register-box .form-group label,
.auth-card .form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #555;
    font-weight: 500;
}

.login-box .form-group input,
.register-box .form-group input,
.auth-card .form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #D0D0D0;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
    box-sizing: border-box;
}

.login-box .form-group input:focus,
.register-box .form-group input:focus,
.auth-card .form-group input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

.login-box .btn,
.register-box .btn,
.auth-card .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
}

.login-box .btn-primary,
.register-box .btn-primary,
.auth-card .btn-primary {
    background-color: #6366f1;
    color: white;
    border: none;
}

.login-box .btn-primary:hover,
.register-box .btn-primary:hover,
.auth-card .btn-primary:hover {
    background-color: #5850ec;
}

.login-box .link,
.register-box .link,
.auth-card .link {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: #6366f1;
    text-decoration: none;
    font-size: 14px;
}

.login-box .link:hover,
.register-box .link:hover,
.auth-card .link:hover {
    text-decoration: underline;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-size: 14px;
}

.auth-link a {
    color: #6366f1;
    text-decoration: none;
    margin-left: 4px;
}

.auth-link a:hover {
    text-decoration: underline;
}

.error-message {
    color: #E74C3C;
    font-size: 12px;
    margin-top: 8px;
    text-align: center;
}

@media (max-width: 1200px) {
    .sidebar {
        width: 280px;
    }
    .stats-panel {
        width: 360px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 250px;
    }
    .stats-panel {
        width: 320px;
    }
}

/* ========== 光伏布局工具：未登录 / 登录状态样式（header-right） ========== */
.user-email-label {
    font-weight: 600;
    font-size: 13px;
    margin-right: 8px;
    color: #334155;
}
.user-email-unauth {
    color: #ef4444 !important;
    font-weight: 600;
}
.btn-login-trigger {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 14px rgba(99, 102, 241, .3) !important;
    transition: transform .15s ease;
}
.btn-login-trigger:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99, 102, 241, .42) !important; }

/* ========== Phase 5: 发电量估算面板 + SVG 图表 ========== */
#energy-panel .panel-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

#energy-panel .form-group {
    margin-bottom: 8px;
}

#energy-panel .config-actions {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

#energy-panel .btn-full {
    width: 100%;
    padding: 8px;
    font-size: 13px;
    font-weight: 600;
}

#energy-status {
    min-height: 18px;
    line-height: 1.4;
}

.energy-chart-block {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px dashed #E0E2E8;
}

.energy-chart-title {
    font-size: 12px;
    font-weight: 600;
    color: #2C3E50;
    margin-bottom: 4px;
}

.energy-svg {
    width: 100%;
    height: 180px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    display: block;
}

.energy-svg text {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

.energy-svg rect:hover {
    opacity: 0.85;
}

#energy-warnings {
    margin-top: 8px;
}

/* 历史结果对话框 */
#energy-history-dialog .stats-table {
    font-size: 11px;
}

#energy-history-dialog .stats-table td {
    padding: 5px 6px;
}

#energy-history-dialog .btn-small {
    padding: 3px 8px;
    font-size: 10px;
    margin: 0 2px;
}