/* ===============================================
   Weather IoT Dashboard - Material Design 3 Style
   Modern, Premium, State-of-the-Art Design
   =============================================== */

/* ===============================================
   CSS Custom Properties (Design Tokens)
   =============================================== */
:root {
    /* Material 3 Color System - Rich Dark Theme */
    --md-primary: #7dd3fc;
    --md-on-primary: #003548;
    --md-primary-container: #004d67;
    --md-on-primary-container: #c5e7ff;

    --md-secondary: #b8c8dc;
    --md-on-secondary: #233240;
    --md-secondary-container: #394857;
    --md-on-secondary-container: #d4e4f8;

    --md-tertiary: #d1bce3;
    --md-on-tertiary: #372947;
    --md-tertiary-container: #4e405f;
    --md-on-tertiary-container: #eed8ff;

    --md-error: #ffb4ab;
    --md-on-error: #690005;
    --md-error-container: #93000a;
    --md-on-error-container: #ffdad6;

    --md-surface: #0f1419;
    --md-on-surface: #e1e3e5;
    --md-surface-variant: #40484f;
    --md-on-surface-variant: #c0c8d0;

    --md-surface-container: #1a1f24;
    --md-surface-container-high: #252a30;
    --md-surface-container-highest: #303539;

    --md-outline: #8a9299;
    --md-outline-variant: #40484f;

    /* Accent Colors for Metrics */
    --accent-temperature: linear-gradient(135deg, #ff6b35 0%, #f7931e 50%, #ffd700 100%);
    --accent-humidity: linear-gradient(135deg, #00d4ff 0%, #0099cc 50%, #0066ff 100%);
    --accent-pressure: linear-gradient(135deg, #a855f7 0%, #8b5cf6 50%, #6366f1 100%);
    --accent-light: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);

    /* Static accent colors */
    --color-temperature: #ff6b35;
    --color-humidity: #00d4ff;
    --color-pressure: #a855f7;
    --color-light: #fbbf24;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', sans-serif;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius - MD3 Style */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows with Color Tint */
    --elevation-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --elevation-2: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    --elevation-3: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
    --elevation-4: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
    --elevation-glow: 0 0 40px rgba(125, 211, 252, 0.15);

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===============================================
   CSS Reset & Base Styles
   =============================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--md-surface);
    color: var(--md-on-surface);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===============================================
   Animated Background
   =============================================== */
.app-container {
    position: relative;
    min-height: 100vh;
}

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(125, 211, 252, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(34, 197, 94, 0.05) 0%, transparent 70%),
        linear-gradient(180deg, var(--md-surface) 0%, #0a0f14 100%);
    z-index: -2;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--md-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 20s;
}

.particle:nth-child(2) {
    left: 30%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    left: 50%;
    animation-delay: 4s;
    animation-duration: 22s;
}

.particle:nth-child(4) {
    left: 70%;
    animation-delay: 1s;
    animation-duration: 19s;
}

.particle:nth-child(5) {
    left: 90%;
    animation-delay: 3s;
    animation-duration: 21s;
}

@keyframes float {
    0% {
        transform: translateY(100vh) scale(1);
        opacity: 0;
    }

    10% {
        opacity: 0.3;
    }

    90% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(-20vh) scale(0.5);
        opacity: 0;
    }
}

/* ===============================================
   Navigation Header
   =============================================== */
.nav-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(26, 31, 36, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-4) var(--space-6);
}

.nav-content {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.brand-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-tertiary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--elevation-2), var(--elevation-glow);
    transition: var(--transition-medium);
}

.brand-icon:hover {
    transform: scale(1.05) rotate(-5deg);
}

.brand-icon .material-symbols-rounded {
    font-size: 28px;
    color: var(--md-on-primary);
}

.brand-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.nav-status {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.connection-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: var(--transition-medium);
}

.connection-badge.connecting {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.connection-badge.connected {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.connection-badge.disconnected {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(0.9);
    }
}

.current-time {
    font-size: 0.875rem;
    color: var(--md-on-surface-variant);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ===============================================
   Main Content
   =============================================== */
.main-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* ===============================================
   Metrics Section - Hero Cards
   =============================================== */
.metrics-section {
    margin-bottom: var(--space-4);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.metric-card {
    position: relative;
    background: var(--md-surface-container);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    overflow: hidden;
    transition: var(--transition-medium);
    cursor: default;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    opacity: 0.9;
    transition: var(--transition-medium);
}

.metric-card.temperature::before {
    background: var(--accent-temperature);
}

.metric-card.humidity::before {
    background: var(--accent-humidity);
}

.metric-card.pressure::before {
    background: var(--accent-pressure);
}

.metric-card.light::before {
    background: var(--accent-light);
}



.metric-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
}

.metric-card.temperature .metric-icon {
    background: rgba(255, 107, 53, 0.15);
    color: var(--color-temperature);
}

.metric-card.humidity .metric-icon {
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-humidity);
}

.metric-card.pressure .metric-icon {
    background: rgba(168, 85, 247, 0.15);
    color: var(--color-pressure);
}

.metric-card.light .metric-icon {
    background: rgba(251, 191, 36, 0.15);
    color: var(--color-light);
}

.metric-icon .material-symbols-rounded {
    font-size: 28px;
    font-variation-settings: 'FILL' 1;
}

.metric-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--md-on-surface);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--md-on-surface-variant);
    font-weight: 500;
}

/* Skeleton Loading */
.skeleton .metric-value,
.skeleton .metric-label {
    background: linear-gradient(90deg, var(--md-surface-variant) 25%, var(--md-surface-container-high) 50%, var(--md-surface-variant) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    color: transparent;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ===============================================
   Content Grid
   =============================================== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-6);
}

/* ===============================================
   Panel Component
   =============================================== */
.panel {
    background: var(--md-surface-container);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-medium);
}

.panel:hover {
    border-color: var(--md-outline);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--md-outline-variant);
    flex-wrap: wrap;
}

.panel-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.panel-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.panel-icon.purple {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
}

.panel-icon.green {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.panel-icon.orange {
    background: rgba(249, 115, 22, 0.15);
    color: #fb923c;
}

.panel-icon.pink {
    background: rgba(236, 72, 153, 0.15);
    color: #f472b6;
}

.panel-icon .material-symbols-rounded {
    font-size: 24px;
    font-variation-settings: 'FILL' 1;
}

.panel-title {
    flex: 1;
}

.panel-title h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin-bottom: 2px;
}

.panel-subtitle {
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
}

.panel-body {
    padding: var(--space-6);
}

/* ===============================================
   Loading State
   =============================================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8);
    color: var(--md-on-surface-variant);
    font-size: 0.875rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--md-surface-variant);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===============================================
   Time Chips
   =============================================== */
.time-chips {
    display: flex;
    gap: var(--space-2);
    margin-left: auto;
}

.chip {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    background: var(--md-surface-container-high);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.chip .material-symbols-rounded {
    font-size: 16px;
}

.chip:hover {
    background: var(--md-surface-container-highest);
    border-color: var(--md-outline);
}

.chip.active {
    background: var(--md-primary);
    color: var(--md-on-primary);
    border-color: var(--md-primary);
}

/* ===============================================
   Charts Section
   =============================================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.chart-card {
    background: var(--md-surface-container-high);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: var(--transition-medium);
}

.chart-card:hover {
    background: var(--md-surface-container-highest);
}

.chart-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.chart-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-icon.temperature {
    background: rgba(255, 107, 53, 0.15);
    color: var(--color-temperature);
}

.chart-icon.humidity {
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-humidity);
}

.chart-icon.pressure {
    background: rgba(168, 85, 247, 0.15);
    color: var(--color-pressure);
}

.chart-icon.light {
    background: rgba(251, 191, 36, 0.15);
    color: var(--color-light);
}

.chart-icon .material-symbols-rounded {
    font-size: 18px;
    font-variation-settings: 'FILL' 1;
}

.chart-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--md-on-surface);
}

.chart-wrapper {
    position: relative;
    height: 200px;
}

.chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ===============================================
   Current Data Panel Styles
   =============================================== */
.sensor-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.sensor-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--md-surface-container-high);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.sensor-item:hover {
    background: var(--md-surface-container-highest);
}

.sensor-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sensor-icon .material-symbols-rounded {
    font-size: 22px;
    font-variation-settings: 'FILL' 1;
}

.sensor-info {
    flex: 1;
    min-width: 0;
}

.sensor-label {
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
    margin-bottom: 2px;
}

.sensor-value-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.sensor-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--md-on-surface);
}

.sensor-unit {
    font-size: 0.875rem;
    color: var(--md-on-surface-variant);
}

.progress-bar {
    height: 4px;
    background: var(--md-surface-variant);
    border-radius: var(--radius-full);
    margin-top: var(--space-2);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-fill.temperature {
    background: var(--accent-temperature);
}

.progress-fill.humidity {
    background: var(--accent-humidity);
}

.progress-fill.pressure {
    background: var(--accent-pressure);
}

.progress-fill.light {
    background: var(--accent-light);
}

.sensor-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--md-outline-variant);
}

.detail-box {
    text-align: center;
    padding: var(--space-3);
    background: var(--md-surface-container);
    border-radius: var(--radius-md);
}

.detail-label {
    font-size: 0.75rem;
    color: var(--md-on-surface-variant);
    margin-bottom: var(--space-1);
}

.detail-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--md-on-surface);
}

.timestamp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--md-outline-variant);
}

.timestamp .material-symbols-rounded {
    font-size: 16px;
}

/* ===============================================
   Forecast Panel Styles
   =============================================== */
.forecast-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.forecast-main {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.forecast-icon {
    font-size: 5rem;
    line-height: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.forecast-info {
    flex: 1;
}

.forecast-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--md-on-surface);
    margin-bottom: var(--space-2);
}

.confidence-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(34, 197, 94, 0.15);
    border-radius: var(--radius-full);
    color: #4ade80;
    font-size: 0.8125rem;
    font-weight: 500;
}

.confidence-badge .material-symbols-rounded {
    font-size: 16px;
}

.forecast-condition {
    font-size: 1.125rem;
    color: var(--md-on-surface-variant);
    margin-top: var(--space-3);
}

.trend-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.trend-card {
    padding: var(--space-4);
    background: var(--md-surface-container-high);
    border-radius: var(--radius-lg);
    border-left: 3px solid;
}

.trend-card.temp {
    border-left-color: var(--color-temperature);
}

.trend-card.pressure {
    border-left-color: var(--color-pressure);
}

.trend-card.humidity {
    border-left-color: var(--color-humidity);
}

.trend-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
}

.trend-header .material-symbols-rounded {
    font-size: 16px;
}

.trend-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--md-on-surface);
}

/* ===============================================
   Recommendations Styles
   =============================================== */
.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.recommendation-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--md-surface-container-high);
    border-radius: var(--radius-lg);
    border-left: 3px solid;
    transition: var(--transition-fast);
}

.recommendation-card:hover {
    transform: translateX(4px);
    background: var(--md-surface-container-highest);
}

.recommendation-card.success {
    border-left-color: var(--color-success);
    background: rgba(34, 197, 94, 0.08);
}

.recommendation-card.warning {
    border-left-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.08);
}

.recommendation-card.danger {
    border-left-color: var(--color-error);
    background: rgba(239, 68, 68, 0.08);
}

.recommendation-card.info {
    border-left-color: var(--color-info);
    background: rgba(59, 130, 246, 0.08);
}

.recommendation-card.tip {
    border-left-color: var(--color-pressure);
    background: rgba(168, 85, 247, 0.08);
}

.recommendation-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.recommendation-card.success .recommendation-icon {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success);
}

.recommendation-card.warning .recommendation-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.recommendation-card.danger .recommendation-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

.recommendation-card.info .recommendation-icon {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-info);
}

.recommendation-card.tip .recommendation-icon {
    background: rgba(168, 85, 247, 0.2);
    color: var(--color-pressure);
}

.recommendation-icon .material-symbols-rounded {
    font-size: 20px;
    font-variation-settings: 'FILL' 1;
}

.recommendation-text {
    font-size: 0.9375rem;
    color: var(--md-on-surface);
    line-height: 1.5;
}

.all-good {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-8);
    color: var(--color-success);
}

.all-good .material-symbols-rounded {
    font-size: 48px;
    font-variation-settings: 'FILL' 1;
}

.all-good span {
    font-size: 1rem;
    font-weight: 500;
}

/* ===============================================
   Statistics Styles
   =============================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--md-surface-container-high);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-fast);
}

.stat-card:hover {
    background: var(--md-surface-container-highest);
    transform: translateY(-4px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon .material-symbols-rounded {
    font-size: 24px;
    font-variation-settings: 'FILL' 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--md-on-surface);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--md-on-surface-variant);
}

/* ===============================================
   Footer
   =============================================== */
.app-footer {
    margin-top: var(--space-8);
    padding: var(--space-6);
    background: var(--md-surface-container);
    border-top: 1px solid var(--md-outline-variant);
}

.footer-content {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--md-on-surface-variant);
    font-weight: 500;
}

.footer-brand .material-symbols-rounded {
    font-size: 20px;
    color: var(--md-primary);
}

.footer-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.875rem;
    color: var(--md-on-surface-variant);
}

.footer-divider {
    opacity: 0.5;
}

/* ===============================================
   Responsive Design
   =============================================== */
@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-content {
        flex-direction: column;
        gap: var(--space-4);
    }

    .nav-status {
        width: 100%;
        justify-content: space-between;
    }

    .main-content {
        padding: var(--space-4);
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metric-card {
        flex-direction: row;
        align-items: center;
    }

    .metric-content {
        flex: 1;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .time-chips {
        width: 100%;
        margin-top: var(--space-4);
        justify-content: center;
    }

    .trend-cards {
        grid-template-columns: 1fr;
    }

    .forecast-main {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .brand-text h1 {
        font-size: 1.25rem;
    }

    .metric-value {
        font-size: 2rem;
    }

    .panel-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .time-chips {
        flex-wrap: wrap;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===============================================
   Animations
   =============================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.panel,
.metric-card {
    animation: fadeInUp 0.5s ease-out backwards;
}

.metric-card:nth-child(1) {
    animation-delay: 0.1s;
}

.metric-card:nth-child(2) {
    animation-delay: 0.15s;
}

.metric-card:nth-child(3) {
    animation-delay: 0.2s;
}

.metric-card:nth-child(4) {
    animation-delay: 0.25s;
}

.current-panel {
    animation-delay: 0.3s;
}

.forecast-panel {
    animation-delay: 0.35s;
}

.recommendations-panel {
    animation-delay: 0.4s;
}

.charts-panel {
    animation-delay: 0.45s;
}

.stats-panel {
    animation-delay: 0.5s;
}

/* ===============================================
   Scrollbar - Modern Style
   =============================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--md-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--md-surface-variant);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--md-outline);
}

/* ===============================================
   Selection Color
   =============================================== */
::selection {
    background: rgba(125, 211, 252, 0.3);
    color: var(--md-on-surface);
}

/* ===============================================
   Focus States
   =============================================== */
:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button:focus-visible {
    outline-offset: 0;
}

/* ===============================================
   Weather Effects Layer
   =============================================== */
.weather-effects-layer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
    opacity: 0;
    transition: opacity 1s ease;
}

.weather-effects-layer.active {
    opacity: 1;
}

/* Rain Container */
.rain-container {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    transform-origin: center center;
}

/* Raindrop */
.raindrop {
    position: absolute;
    top: -20px;
    animation: rain-fall linear infinite;
    will-change: transform;
}

@keyframes rain-fall {
    0% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(calc(100vh + 40px));
    }
}

/* Lightning Flash */
.lightning-flash {
    position: absolute;
    inset: 0;
    z-index: 50;
    pointer-events: none;
    animation: lightning-flash ease-out forwards;
}

@keyframes lightning-flash {
    0% {
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    20% {
        opacity: 0.3;
    }

    30% {
        opacity: 1;
    }

    40% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

/* Lightning Bolt */
.lightning-bolt {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 50;
    pointer-events: none;
    animation: lightning-bolt ease-out forwards;
}

@keyframes lightning-bolt {
    0% {
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    20% {
        opacity: 0.7;
    }

    30% {
        opacity: 1;
    }

    40% {
        opacity: 0.4;
    }

    50% {
        opacity: 0.8;
    }

    60% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

/* Weather Demo Toggle Button */
.weather-demo-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--md-surface-container-high);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-full);
    color: var(--md-on-surface);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-medium);
    font-family: inherit;
    box-shadow: var(--elevation-2);
}

.weather-demo-toggle:hover {
    background: var(--md-surface-container-highest);
    border-color: var(--md-primary);
    transform: translateY(-2px);
    box-shadow: var(--elevation-3);
}

.weather-demo-toggle .material-symbols-rounded {
    font-size: 20px;
}

/* Weather indicator in header */
.weather-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: #60a5fa;
    transition: var(--transition-medium);
}

.weather-indicator.rain {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.3);
    color: var(--color-humidity);
}

.weather-indicator.storm {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.3);
    color: var(--color-pressure);
}

.weather-indicator.snow {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #e2e8f0;
}

.weather-indicator .material-symbols-rounded {
    font-size: 18px;
}

/* ===============================================
   Snowflake Styles - Realistic Snow Effect
   =============================================== */
.snowflake {
    position: absolute;
    color: #fff;
    user-select: none;
    pointer-events: none;
    will-change: transform, margin-left;
    z-index: 10;
    font-family: "Segoe UI Symbol", "Apple Color Emoji", "Noto Color Emoji", sans-serif;
    line-height: 1;
}

/* Snowfall animation - only translateY, no rotation conflict */
@keyframes snowfall {
    0% {
        transform: translateY(-50px);
    }

    100% {
        transform: translateY(calc(100vh + 100px));
    }
}

/* Snowflake horizontal sway - using margin-left to avoid transform conflict */
@keyframes snowflake-sway {

    0%,
    100% {
        margin-left: 0;
    }

    50% {
        margin-left: var(--sway-amount, 30px);
    }
}

/* Glow effect for snowflakes */
.snowflake::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

/* Heavy snow variant */
.weather-effects-layer.heavy-snow .snowflake {
    animation-duration: 4s, 2s !important;
}

/* Blizzard variant - faster, more angled */
.weather-effects-layer.blizzard .rain-container {
    transform: rotate(20deg) !important;
}

.weather-effects-layer.blizzard .snowflake {
    animation-duration: 2s, 1s !important;
}