/* Premium Stylesheet for Russia Trends & Monitoring Dashboard */

:root {
    --bg-overlay: radial-gradient(circle, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.65) 100%);
    --card-bg: rgba(12, 12, 16, 0.45);
    --card-border: rgba(255, 255, 255, 0.12);
    --accent-glow: rgba(0, 242, 254, 0.12);
    --accent-color: #00f2fe;
    --accent-green: #39ff14;
    --accent-yellow: #ffd700;
    --accent-red: #ff3b30;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.45);
}

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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
}

/* Background Slider */
#bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2.5s ease-in-out;
    z-index: 1;
    /* Hardware acceleration & Layer isolation */
    transform: translate3d(0,0,0);
    will-change: transform, opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.slide.active {
    opacity: 1;
    z-index: 3;
    animation: kenburns 22s linear forwards;
}

.slide.exiting {
    opacity: 0;
    z-index: 2;
    animation: kenburns 22s linear forwards;
}

@keyframes kenburns {
    0% {
        transform: scale(1.0) translate(0, 0);
    }
    100% {
        transform: scale(1.08) translate(-1%, -0.5%);
    }
}

/* Cinematic Dark Overlay */
#overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: 2;
}

/* Dashboard Grid Layout (2 Columns) */
.dashboard-grid {
    position: relative;
    z-index: 10;
    width: 95%;
    max-width: 1050px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 20px;
    padding: 20px 0;
}

/* Reusable Glassmorphic Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    /* Hardware acceleration to prevent backdrop-filter flicker */
    transform: translate3d(0,0,0);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform-style: preserve-3d;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

/* Card Transitions */
.glass-card {
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.glass-card:hover {
    transform: translateY(-2px);
}

/* Specific Card Rules */
.card-trends {
    grid-row: span 2;
    min-height: 520px;
}

.card-rates {
    min-height: 250px;
}

.card-geo {
    min-height: 250px;
}

/* Headers */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.brand-section {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-title {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.brand-subtitle {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.time-section {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.clock {
    font-size: 22px;
    font-weight: 300;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.5px;
}

.date-today {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.card-title-mini {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Trends Section Body */
.trends-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-grow: 1;
    min-height: 160px;
}

.section-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.section-label .live-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 1.5s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.4; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1.1); }
}

.trend-display {
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.trend-display.fade-out {
    opacity: 0;
    transform: translateY(-8px);
}

.trend-query-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.trend-query {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.trend-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    background: rgba(57, 255, 20, 0.1);
    border: 1px solid rgba(57, 255, 20, 0.2);
    color: var(--accent-green);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.trend-category {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.trend-category::before {
    content: "# ";
    color: var(--accent-color);
}

/* Exchange Rates Body */
.rates-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    flex-grow: 1;
}

.rate-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.rate-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.currency-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.currency-flag {
    width: 28px;
    height: 18px;
    background-size: cover;
    background-position: center;
    border-radius: 3px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.currency-code {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.currency-name {
    font-size: 11px;
    color: var(--text-muted);
}

.currency-values {
    text-align: right;
    display: flex;
    align-items: center;
    gap: 15px;
}

.currency-price {
    font-size: 16px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.currency-trend {
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 2px;
}

.currency-trend.up {
    color: var(--accent-green);
}

.currency-trend.down {
    color: var(--accent-red);
}

/* Geophysical Monitoring Body */
.geo-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    flex-grow: 1;
}

.geo-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.geo-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.geo-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.geo-value {
    font-weight: 700;
}

.geo-value.status-normal {
    color: var(--accent-green);
}

.geo-value.status-warn {
    color: var(--accent-yellow);
}

/* Progress bar for storms */
.progress-bar-bg {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease-in-out, background-color 0.5s ease;
}

.fill-green {
    background-color: var(--accent-green);
    box-shadow: 0 0 8px rgba(57, 255, 20, 0.5);
}

.fill-yellow {
    background-color: var(--accent-yellow);
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

/* Footers */
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 15px;
    margin-top: 15px;
    font-size: 10px;
    color: var(--text-muted);
}

.location-indicator {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 900px) {
    body, html {
        overflow-y: auto;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        width: 90%;
        max-width: 550px;
        margin: 40px auto;
        height: auto;
    }
    
    .card-trends {
        grid-row: auto;
        min-height: auto;
    }
}