/**
 * ZT-3D Panel Styles
 * Modern Glassmorphism Design - 2024
 * 参考: 工业数字孪生大屏最佳实践
 */

/* ========== CSS Variables ========== */
:root {
    /* Z-Index Layers */
    --z-canvas: 0;
    --z-labels-3d: 100;
    --z-dashboard: 200;
    --z-side-panels: 300;
    --z-property-panel: 400;
    --z-hud: 500;
    --z-modal: 600;
    --z-toast: 700;

    /* Color Palette - 深蓝科技风 */
    --glass-bg: rgba(8, 15, 28, 0.75);
    --glass-border: rgba(0, 170, 255, 0.15);
    --glass-border-hover: rgba(0, 170, 255, 0.4);
    --accent-primary: #00aaff;
    --accent-glow: rgba(0, 170, 255, 0.3);
    --text-primary: #e8f4ff;
    --text-secondary: #7a9cbd;
    --text-muted: #4a6a8a;

    /* Glassmorphism */
    --blur-strength: 12px;
    --panel-radius: 16px;
    --panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ========== Base Panel Styles ========== */
.panel {
    position: fixed;
    /* [H8 Fix] 添加回退值 */
    background: var(--glass-bg, rgba(8, 15, 28, 0.75));
    backdrop-filter: blur(var(--blur-strength, 12px));
    -webkit-backdrop-filter: blur(var(--blur-strength, 12px));
    border: 1px solid var(--glass-border, rgba(0, 170, 255, 0.15));
    border-radius: var(--panel-radius, 16px);
    box-shadow: var(--panel-shadow, 0 8px 32px rgba(0, 0, 0, 0.4));
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    /* [M8] 硬件加速优化 */
    will-change: transform, opacity;
    transform: translateZ(0);
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 170, 255, 0.3), transparent);
    border-radius: var(--panel-radius) var(--panel-radius) 0 0;
}

.panel:hover {
    /* [H8 Fix] 添加回退值 */
    border-color: var(--glass-border-hover, rgba(0, 170, 255, 0.4));
    box-shadow: var(--panel-shadow, 0 8px 32px rgba(0, 0, 0, 0.4)), 0 0 20px var(--accent-glow, rgba(0, 170, 255, 0.3));
}

.panel.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

/* ========== 面板收缩按钮 - 极简设计 ========== */
.collapse-btn {
    position: absolute;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    /* [H8 Fix] 添加回退值 */
    color: var(--text-secondary, #7a9cbd);
    cursor: pointer;
    font-size: 10px;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.collapse-btn:hover {
    /* [H8 Fix] 添加回退值 */
    color: var(--accent-primary, #00aaff);
    opacity: 1;
    transform: scale(1.2);
}

/* 左侧面板收缩按钮 */
#ui-overlay .collapse-btn {
    top: 12px;
    right: 12px;
}

/* 右侧面板收缩按钮 */
#device-panel .collapse-btn,
#alarm-log-panel .collapse-btn {
    top: 12px;
    left: 12px;
}

/* 底部面板收缩按钮 */
#dashboard-panel .collapse-btn {
    top: 8px;
    right: 20px;
    left: auto;
}

/* ========== Main Control Panel (Left Side) ========== */
#ui-overlay {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: var(--z-side-panels);
    width: 260px;
    pointer-events: none;
}

#ui-overlay .panel {
    position: relative;
    top: auto;
    left: auto;
    max-height: calc(100vh - 280px);
    overflow-y: auto;
    pointer-events: auto;
    padding: 20px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#ui-overlay .panel::-webkit-scrollbar {
    display: none;
}

/* 左侧面板收缩状态 */
#ui-overlay .panel.collapsed {
    width: 48px;
    min-height: 48px;
    padding: 12px;
    overflow: hidden;
}

#ui-overlay .panel.collapsed > *:not(.collapse-btn) {
    opacity: 0;
    visibility: hidden;
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#ui-overlay .panel.collapsed .collapse-btn {
    position: relative;
    top: 0;
    right: 0;
    margin: 0 auto;
}

/* ========== Dashboard Panel (Bottom) ========== */
#dashboard-panel {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-dashboard);
    width: 92%;
    max-width: 1400px;
    height: 200px;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(8, 15, 28, 0.9) 0%, rgba(5, 10, 20, 0.95) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    padding: 0;
    overflow: hidden;
    pointer-events: auto;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(0, 170, 255, 0.1);
}

#dashboard-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.5;
}

/* Dashboard 收缩状态 */
#dashboard-panel.collapsed {
    height: 48px;
    min-height: 48px;
}

#dashboard-panel.collapsed .tab-content {
    display: none !important;
}

#dashboard-panel.collapsed .dashboard-tabs {
    opacity: 0.5;
    pointer-events: none;
}

/* ========== Device Monitor Panel (Right Side) ========== */
#device-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-side-panels);
    width: 240px;
    max-height: 320px;
    overflow: hidden;
    padding: 16px;
}

#device-panel .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    padding-left: 28px;
    border-bottom: 1px solid rgba(0, 170, 255, 0.1);
}

#device-panel .panel-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

#device-panel .status-count {
    font-size: 12px;
    color: var(--accent-primary);
    font-weight: 600;
}

#device-panel .device-list {
    max-height: 220px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 170, 255, 0.3) transparent;
}

/* 右侧面板收缩状态 */
#device-panel.collapsed,
#alarm-log-panel.collapsed {
    width: 48px;
    min-height: 48px;
    padding: 12px;
    overflow: hidden;
}

#device-panel.collapsed > *:not(.collapse-btn),
#alarm-log-panel.collapsed > *:not(.collapse-btn) {
    opacity: 0;
    visibility: hidden;
    height: 0;
    overflow: hidden;
}

#device-panel.collapsed .collapse-btn,
#alarm-log-panel.collapsed .collapse-btn {
    position: relative;
    top: 0;
    left: 0;
    margin: 0 auto;
}

/* ========== Alarm Log Panel (Right Side, Below Device) ========== */
#alarm-log-panel {
    position: fixed;
    top: 360px;
    right: 20px;
    z-index: var(--z-side-panels);
    width: 240px;
    max-height: 220px;
    padding: 16px;
}

#alarm-log-panel .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    padding-left: 28px;
    border-bottom: 1px solid rgba(0, 170, 255, 0.1);
}

#alarm-log-panel .panel-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

#alarm-log-panel .alarm-list {
    max-height: 130px;
    overflow-y: auto;
    scrollbar-width: thin;
}

/* ========== Property Panel (Center Popup) ========== */
#property-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: var(--z-property-panel);
    width: 380px;
    max-height: 80vh;
}

#property-panel.hidden {
    transform: translate(-50%, -50%) scale(0.95);
}

/* ========== HUD Overlay (Tour Mode) ========== */
#ui-layer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-hud);
    pointer-events: none;
}

#ui-layer .header,
#ui-layer .hud-top-bar,
#ui-layer .hud-corner,
#ui-layer button {
    pointer-events: auto;
}

#ui-layer.hidden {
    display: none;
}

/* ========== Toast Notifications ========== */
#notification-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.notification-toast {
    padding: 14px 20px;
    border-radius: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-strength));
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 13px;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    box-shadow: var(--panel-shadow);
    /* [M8] 硬件加速优化 */
    will-change: transform, opacity;
    transform: translateX(100px) translateZ(0);
}

.notification-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-toast.hide {
    opacity: 0;
    transform: translateX(100px);
}

.notification-toast.info {
    border-left: 3px solid var(--accent-primary);
}

.notification-toast.success {
    border-left: 3px solid #00ff88;
}

.notification-toast.warning {
    border-left: 3px solid #ffaa00;
}

.notification-toast.error {
    border-left: 3px solid #ff4466;
}

.toast-icon {
    margin-right: 10px;
    font-weight: bold;
}

/* ========== Tab System ========== */
.dashboard-tabs {
    display: flex;
    gap: 8px;
    padding: 12px 24px;
    border-bottom: 1px solid rgba(0, 170, 255, 0.1);
    flex-shrink: 0;
    background: transparent;
}

.tab-btn {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    /* [M8] 硬件加速优化 */
    will-change: background, border-color;
    transform: translateZ(0);
}

.tab-btn:hover {
    background: rgba(0, 170, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(0, 170, 255, 0.2);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 170, 255, 0.15), rgba(0, 170, 255, 0.08));
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.tab-content {
    display: none;
    padding: 16px 24px;
    flex: 1;
    overflow: hidden;
}

.tab-content.active {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: stretch;
}

/* Chart containers in dashboard */
#dashboard-panel .chart-container {
    flex: 1;
    max-width: 500px;
    background: rgba(0, 20, 40, 0.4);
    border: 1px solid rgba(0, 170, 255, 0.1);
    border-radius: 12px;
    padding: 14px;
    transition: all 0.3s ease;
}

#dashboard-panel .chart-container:hover {
    border-color: rgba(0, 170, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 170, 255, 0.1);
}

#dashboard-panel .chart-container h3 {
    margin: 0 0 10px 0;
    font-size: 11px;
    color: var(--accent-primary);
    text-align: center;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

#dashboard-panel .chart-container.full-width {
    max-width: 100%;
}

/* ========== Scrollbar Styling ========== */
.panel ::-webkit-scrollbar {
    width: 4px;
}

.panel ::-webkit-scrollbar-track {
    background: transparent;
}

.panel ::-webkit-scrollbar-thumb {
    background: rgba(0, 170, 255, 0.3);
    border-radius: 2px;
}

.panel ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 170, 255, 0.5);
}

/* ========== Responsive Design ========== */
@media (max-width: 1200px) {
    #ui-overlay {
        width: 220px;
    }

    #device-panel,
    #alarm-log-panel {
        width: 200px;
    }

    #dashboard-panel {
        width: 96%;
        height: 180px;
    }
}

@media (max-width: 768px) {
    #ui-overlay {
        top: 10px;
        left: 10px;
        width: 180px;
    }

    #device-panel {
        display: none;
    }

    #alarm-log-panel {
        top: auto;
        bottom: 220px;
        right: 10px;
        width: 180px;
    }

    #dashboard-panel {
        width: 100%;
        height: 160px;
        border-radius: 16px 16px 0 0;
    }

    .tab-btn {
        padding: 8px 12px;
        font-size: 11px;
    }
}

/* ========== 动画关键帧 ========== */
@keyframes panelSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes panelSlideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes dashboardSlideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

#ui-overlay .panel {
    animation: panelSlideIn 0.5s ease-out;
}

#device-panel,
#alarm-log-panel {
    animation: panelSlideInRight 0.5s ease-out;
}

#dashboard-panel {
    animation: dashboardSlideUp 0.5s ease-out;
}