/**
 * Solar Monitor - Custom CSS
 * Version: 08029 - Mobile 3-column layout for Summary Stats (Năng Lượng - Pin Lưu Trữ - Nguồn Điện)
 */

/* ========================================
   BASE STYLES
   ======================================== */

html {
    scroll-behavior: smooth;
}

/* ========================================
   CHART STYLES
   ======================================== */

.chart-container {
    position: relative;
    height: 40vh;
    width: 100%;
    overflow: visible !important;
}

/* Ensure canvas tooltips are not clipped */
.chart-container canvas {
    overflow: visible !important;
}

/* SOC section specific styling */
#soc-section {
    overflow: visible !important;
}

#soc-section .chart-container {
    padding-right: 35px;
}

.dark .chart-container {
    background: #1f2937;
}

@media (max-width: 640px) {
    .chart-container {
        height: 45vh;
        padding: 12px;
    }
}

/* Custom tooltip styling */
.chartjs-tooltip {
    opacity: 0;
    position: absolute;
    background: rgba(30, 30, 30, 0.95);
    color: white;
    border-radius: 8px;
    padding: 12px;
    font-size: 12px;
    pointer-events: none;
    transform: translate(-50%, 0);
    transition: opacity 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.chartjs-legend {
    font-size: 11px !important;
    padding: 5px !important;
}

canvas:hover {
    cursor: crosshair;
}

/* Make chart legend items look clickable */
.chart-container canvas {
    cursor: default;
}

/* ========================================
   STAT CARDS
   ======================================== */

.stat-card {
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: 12px;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dark .stat-card {
    background: #1f2937;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.stat-card:active {
    transform: translateY(-2px);
}

/* ========================================
   ENERGY FLOW CARDS
   ======================================== */

.energy-card {
    transition: all 0.3s ease;
    border-radius: 16px;
    overflow: hidden;
}

.energy-card.inactive {
    opacity: 0.5;
    filter: grayscale(0.5);
}

.energy-card img {
    transition: all 0.3s ease;
}

.energy-card.inactive img {
    opacity: 0.5;
    filter: grayscale(100%);
}

.flow-item.inactive img {
    opacity: 0.5;
    filter: grayscale(100%);
}

/* ========================================
   VALUE UPDATE ANIMATION - Enhanced Blink Effect
   ======================================== */

.value-updated {
    animation: valueFlash 0.6s ease-out;
}

@keyframes valueFlash {
    0% { 
        background-color: rgba(139, 92, 246, 0.5);
        transform: scale(1.05);
        text-shadow: 0 0 8px rgba(139, 92, 246, 0.8);
    }
    50% {
        background-color: rgba(139, 92, 246, 0.3);
        transform: scale(1.02);
    }
    100% { 
        background-color: transparent;
        transform: scale(1);
        text-shadow: none;
    }
}

/* Cell value blink effect */
.cell-blink {
    animation: cellBlink 0.6s ease-out;
}

@keyframes cellBlink {
    0% { 
        box-shadow: 0 0 12px rgba(139, 92, 246, 0.8);
        transform: scale(1.05);
    }
    50% {
        box-shadow: 0 0 6px rgba(139, 92, 246, 0.5);
    }
    100% { 
        box-shadow: none;
        transform: scale(1);
    }
}

/* Battery communication status */
.cell-no-communication {
    opacity: 0.4;
    background: linear-gradient(135deg, #6b7280, #4b5563) !important;
}

.cell-no-communication .cell-voltage {
    color: #9ca3af !important;
}

.cell-no-communication::after {
    content: '⚠';
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 10px;
    color: #ef4444;
}

/* ========================================
   BATTERY CELL GRID
   ======================================== */

.battery-cell-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

@media (min-width: 640px) {
    .battery-cell-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

.battery-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    background: #f3f4f6;
    color: #374151;
    transition: all 0.3s ease;
    min-height: 36px;
}

.dark .battery-cell {
    background: #374151;
    color: #e5e7eb;
}

@media (min-width: 640px) {
    .battery-cell {
        font-size: 12px;
        padding: 10px 6px;
    }
}

/* Cell status colors */
.battery-cell.cell-excellent {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.battery-cell.cell-good {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.battery-cell.cell-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

/* Battery icon colors */
.battery-icon-low {
    filter: hue-rotate(0deg);
}

.battery-icon-medium {
    filter: hue-rotate(30deg);
}

.battery-icon-high {
    filter: hue-rotate(90deg);
}

/* ========================================
   HERO SECTION (Collapsible on Mobile)
   ======================================== */

.hero-section {
    transition: all 0.3s ease;
}

.hero-content {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.hero-content.collapsed {
    max-height: 0;
}

.hero-toggle {
    transition: transform 0.3s ease;
}

.hero-toggle.rotated {
    transform: rotate(180deg);
}

/* ========================================
   CELL SECTION (Collapsible)
   ======================================== */

.cell-section {
    transition: all 0.3s ease;
}

.cell-content {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.cell-content.collapsed {
    max-height: 0;
}

.cell-toggle {
    transition: transform 0.3s ease;
}

.cell-toggle.rotated {
    transform: rotate(180deg);
}

/* ========================================
   COMPACT SEARCH BAR
   ======================================== */

.compact-search-bar {
    position: sticky;
    top: 60px;
    z-index: 40;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
}

.dark .compact-search-bar {
    background: #1f2937;
}

/* Compact Search Bar - Sticky below header */
#compactSearch {
    position: sticky;
    top: 60px; /* Height of header */
    z-index: 40;
    transition: top 0.3s ease;
}

/* When header is hidden, compactSearch moves to top */
.header-hidden ~ main #compactSearch,
body:has(#mainHeader.header-hidden) #compactSearch {
    top: 0;
}

/* ========================================
   CONNECTION STATUS
   ======================================== */

.status-connected {
    background-color: #10b981;
    animation: pulse-green 2s infinite;
}

.status-disconnected {
    background-color: #ef4444;
}

.status-connecting {
    background-color: #f59e0b;
    animation: pulse-yellow 1s infinite;
}

@keyframes pulse-green {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

@keyframes pulse-yellow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

/* ========================================
   LOADING SPINNER
   ======================================== */

.loading-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #8b5cf6;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.dark ::-webkit-scrollbar-track {
    background: #374151;
}

::-webkit-scrollbar-thumb {
    background: #8b5cf6;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7c3aed;
}

/* ========================================
   MOBILE RESPONSIVENESS
   ======================================== */

@media (max-width: 640px) {
    /* Energy Flow Grid - Keep 3 columns on mobile like desktop */
    #realTimeFlow .grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    #realTimeFlow .flow-item {
        height: auto;
        min-height: 90px;
        padding: 6px 4px;
    }
    
    /* Smaller icons and text on mobile */
    #realTimeFlow .flow-item .w-10 {
        width: 32px !important;
        height: 32px !important;
    }
    
    #realTimeFlow .flow-item .w-5 {
        width: 16px !important;
        height: 16px !important;
    }
    
    /* Smaller battery icon container on mobile */
    #realTimeFlow .battery-icon-container {
        width: 32px !important;
        height: 32px !important;
        min-width: 32px !important;
        min-height: 32px !important;
    }
    
    #realTimeFlow .battery-percent-large {
        font-size: 10px !important;
    }
    
    /* Smaller text sizes on mobile */
    #realTimeFlow .text-\[10px\] {
        font-size: 8px !important;
    }
    
    #realTimeFlow .text-sm {
        font-size: 12px !important;
    }
    
    #realTimeFlow .text-\[9px\] {
        font-size: 7px !important;
    }
    
    .compact-search-bar {
        top: 56px;
    }
}

/* ========================================
   TOUCH-FRIENDLY
   ======================================== */

@media (pointer: coarse) {
    .stat-card,
    .energy-card,
    button {
        min-height: 44px;
    }
    
    .battery-cell {
        min-height: 40px;
        min-width: 40px;
    }
}

/* ========================================
   CALCULATOR BUTTON
   ======================================== */

.calculator-btn {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.calculator-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.calculator-btn:active {
    transform: translateY(0);
}

/* ========================================
   SOC CHART SECTION
   ======================================== */

.soc-chart-container {
    height: 200px;
}

@media (min-width: 640px) {
    .soc-chart-container {
        height: 250px;
    }
}

/* ========================================
   GRADIENT BACKGROUNDS
   ======================================== */

.gradient-pv {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.gradient-battery {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.gradient-grid {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.gradient-load {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.gradient-essential {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

/* ========================================
   BATTERY ICON WITH FILL
   ======================================== */

.battery-icon-container {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    position: relative;
    min-width: 48px;
    min-height: 48px;
}

@media (min-width: 640px) {
    .battery-icon-container {
        min-width: 56px;
        min-height: 56px;
    }
}

@media (min-width: 768px) {
    .battery-icon-container {
        min-width: 64px;
        min-height: 64px;
    }
}

.battery-fill {
    transition: height 0.5s ease;
}

.battery-percent-large {
    font-size: 16px;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(0,0,0,0.6);
    letter-spacing: -0.5px;
}

@media (min-width: 640px) {
    .battery-percent-large {
        font-size: 18px;
    }
}

@media (min-width: 768px) {
    .battery-percent-large {
        font-size: 20px;
    }
}

/* ========================================
   CELL GRID RESPONSIVE
   ======================================== */

#cellGrid .grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

@media (min-width: 640px) {
    #cellGrid .grid {
        grid-template-columns: repeat(8, 1fr);
        gap: 8px;
    }
}

.cell-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6px 4px;
    border-radius: 8px;
    min-height: 50px;
    transition: all 0.3s ease;
}

.cell-item .cell-label {
    font-size: 9px;
    font-weight: 600;
    opacity: 0.8;
}

.cell-item .cell-voltage {
    font-size: 11px;
    font-weight: 700;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

@media (min-width: 640px) {
    .cell-item {
        min-height: 60px;
        padding: 8px 6px;
    }
    
    .cell-item .cell-label {
        font-size: 10px;
    }
    
    .cell-item .cell-voltage {
        font-size: 12px;
    }
}

/* Cell colors */
.cell-good {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.cell-ok {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.cell-warning {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.cell-default {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
}

/* ========================================
   FIXED CALCULATE BUTTON
   ======================================== */

#fixedCalculateBtn {
    animation: slideUp 0.3s ease;
}

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

#fixedCalculateBtn a {
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

#fixedCalculateBtn a:hover {
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.5);
}

/* ========================================
   GROUPED SUMMARY CARDS
   ======================================== */

#summaryStats .grid > div {
    transition: all 0.3s ease;
}

#summaryStats .grid > div:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Responsive for mobile - Keep 3 columns on mobile too */
@media (max-width: 640px) {
    #summaryStats .grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.375rem; /* 6px */
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .fab,
    .compact-search-bar,
    header,
    .hero-toggle,
    .cell-toggle,
    #fixedCalculateBtn {
        display: none !important;
    }
    
    .chart-container {
        break-inside: avoid;
        height: 300px;
    }
}