/* ==========================================================================
   World Population Clock — High-Tech Modern Design System
   Full Light & Dark Theme Support, Glassmorphism, Micro-animations & Charts
   ========================================================================== */

:root {
    --wpc-bg-page: #f8fafc;
    --wpc-card-bg: rgba(255, 255, 255, 0.92);
    --wpc-card-border: rgba(203, 213, 225, 0.7);
    --wpc-card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --wpc-card-hover-border: rgba(14, 165, 233, 0.4);
    
    --wpc-text-primary: #0f172a;
    --wpc-text-secondary: #475569;
    --wpc-text-muted: #64748b;
    --wpc-text-heading: #0284c7;

    --wpc-mega-bg: linear-gradient(135deg, #0c4a6e 0%, #0369a1 40%, #0284c7 100%);
    --wpc-mega-text: #ffffff;
    --wpc-mega-sub: #bae6fd;
    --wpc-mega-border: rgba(56, 189, 248, 0.35);

    --wpc-birth: #10b981;
    --wpc-birth-glow: rgba(16, 185, 129, 0.25);
    --wpc-birth-bg: rgba(16, 185, 129, 0.08);
    --wpc-birth-border: rgba(16, 185, 129, 0.25);

    --wpc-death: #f43f5e;
    --wpc-death-glow: rgba(244, 63, 94, 0.25);
    --wpc-death-bg: rgba(244, 63, 94, 0.08);
    --wpc-death-border: rgba(244, 63, 94, 0.25);

    --wpc-net: #0ea5e9;
    --wpc-net-glow: rgba(14, 165, 233, 0.25);
    --wpc-net-bg: rgba(14, 165, 233, 0.08);
    --wpc-net-border: rgba(14, 165, 233, 0.25);

    --wpc-canvas-bg: radial-gradient(circle at center, #0e274a 0%, #06152e 60%, #030b17 100%);
    --wpc-table-stripe: rgba(241, 245, 249, 0.6);
    --wpc-input-bg: #ffffff;
    --wpc-input-border: #cbd5e1;
    --wpc-tag-bg: rgba(14, 165, 233, 0.12);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
    --wpc-bg-page: #0b1120;
    --wpc-card-bg: rgba(15, 23, 42, 0.78);
    --wpc-card-border: rgba(51, 65, 85, 0.75);
    --wpc-card-shadow: 0 12px 30px -8px rgba(0, 0, 0, 0.5);
    --wpc-card-hover-border: rgba(56, 189, 248, 0.5);

    --wpc-text-primary: #f8fafc;
    --wpc-text-secondary: #cbd5e1;
    --wpc-text-muted: #94a3b8;
    --wpc-text-heading: #38bdf8;

    --wpc-mega-bg: linear-gradient(135deg, rgba(8, 47, 73, 0.95) 0%, rgba(12, 74, 110, 0.9) 50%, rgba(3, 105, 161, 0.85) 100%);
    --wpc-mega-text: #f0fdf4;
    --wpc-mega-sub: #7dd3fc;
    --wpc-mega-border: rgba(56, 189, 248, 0.4);

    --wpc-birth: #34d399;
    --wpc-birth-glow: rgba(52, 211, 153, 0.4);
    --wpc-birth-bg: rgba(52, 211, 153, 0.12);
    --wpc-birth-border: rgba(52, 211, 153, 0.3);

    --wpc-death: #fb7185;
    --wpc-death-glow: rgba(251, 113, 133, 0.4);
    --wpc-death-bg: rgba(251, 113, 133, 0.12);
    --wpc-death-border: rgba(251, 113, 133, 0.3);

    --wpc-net: #38bdf8;
    --wpc-net-glow: rgba(56, 189, 248, 0.4);
    --wpc-net-bg: rgba(56, 189, 248, 0.12);
    --wpc-net-border: rgba(56, 189, 248, 0.3);

    --wpc-canvas-bg: radial-gradient(circle at center, #081a34 0%, #030c1b 70%, #01050e 100%);
    --wpc-table-stripe: rgba(30, 41, 59, 0.5);
    --wpc-input-bg: rgba(15, 23, 42, 0.9);
    --wpc-input-border: #334155;
    --wpc-tag-bg: rgba(56, 189, 248, 0.15);
}

/* Container */
.wpc-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 1rem 3.5rem;
    color: var(--wpc-text-primary);
    font-family: inherit;
}

/* --------------------------------------------------------------------------
   Hero & Header
   -------------------------------------------------------------------------- */
.wpc-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.wpc-hero-main {
    flex: 1;
    min-width: 320px;
}

.wpc-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--wpc-tag-bg);
    border: 1px solid var(--wpc-card-border);
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.65rem;
    letter-spacing: 0.04em;
}

.wpc-live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--wpc-birth);
    box-shadow: 0 0 8px var(--wpc-birth);
    animation: wpc-pulse-dot 1.8s infinite cubic-bezier(0.45, 0, 0.55, 1);
}

@keyframes wpc-pulse-dot {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8); }
    70% { transform: scale(1.15); box-shadow: 0 0 0 9px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.wpc-live-text {
    color: var(--wpc-birth);
    font-weight: 800;
}

.wpc-un-badge {
    color: var(--wpc-text-muted);
    font-weight: 500;
    border-left: 1px solid var(--wpc-card-border);
    padding-left: 0.5rem;
}

.wpc-title {
    margin: 0 0 0.4rem;
    font-size: clamp(1.6rem, 3.8vw, 2.3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.wpc-title-gradient {
    background: linear-gradient(135deg, #0284c7 0%, #06b6d4 50%, #10b981 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

[data-theme="dark"] .wpc-title-gradient {
    background: linear-gradient(135deg, #38bdf8 0%, #22d3ee 50%, #34d399 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.wpc-title-sub {
    display: block;
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    font-weight: 600;
    color: var(--wpc-text-secondary);
    margin-top: 0.25rem;
}

.wpc-desc {
    margin: 0;
    font-size: 0.92rem;
    color: var(--wpc-text-muted);
    max-width: 720px;
    line-height: 1.5;
}

.wpc-hero-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-self: center;
}

.wpc-ctrl-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    color: var(--wpc-text-primary);
    padding: 0.5rem 0.85rem;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
}

.wpc-ctrl-btn:hover {
    border-color: var(--wpc-card-hover-border);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.wpc-ctrl-btn.active {
    background: var(--wpc-tag-bg);
    border-color: var(--wpc-net);
    color: var(--wpc-net);
}

.wpc-speed-selector {
    display: inline-flex;
    align-items: center;
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 12px;
    padding: 0.25rem 0.35rem;
    gap: 0.2rem;
    backdrop-filter: blur(8px);
}

.wpc-speed-label {
    font-size: 0.75rem;
    color: var(--wpc-text-muted);
    padding: 0 0.4rem;
    font-weight: 600;
}

.wpc-speed-btn {
    background: transparent;
    border: none;
    color: var(--wpc-text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.3rem 0.55rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.wpc-speed-btn:hover {
    color: var(--wpc-text-primary);
    background: rgba(148, 163, 184, 0.15);
}

.wpc-speed-btn.active {
    background: var(--wpc-net);
    color: #ffffff;
    box-shadow: 0 2px 8px var(--wpc-net-glow);
}

/* --------------------------------------------------------------------------
   Mega Banner
   -------------------------------------------------------------------------- */
.wpc-mega-banner {
    background: var(--wpc-mega-bg);
    border: 1px solid var(--wpc-mega-border);
    border-radius: 24px;
    padding: 1.75rem 2rem;
    margin-bottom: 2rem;
    color: var(--wpc-mega-text);
    box-shadow: 0 20px 40px -15px rgba(2, 132, 199, 0.35);
    position: relative;
    overflow: hidden;
}

.wpc-mega-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.wpc-mega-stat {
    text-align: center;
    margin-bottom: 1.5rem;
}

.wpc-mega-caption {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--wpc-mega-sub);
    text-transform: uppercase;
}

.wpc-pulse-ring {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 10px #34d399;
}

.wpc-mega-number-wrap {
    margin: 0.5rem 0;
}

.wpc-mega-number {
    font-size: clamp(2.4rem, 6.8vw, 4.4rem);
    font-weight: 900;
    font-family: 'JetBrains Mono', monospace, ui-monospace, sans-serif;
    letter-spacing: -0.03em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.wpc-mega-delta-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.wpc-mega-delta-tag {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffffff;
    backdrop-filter: blur(6px);
}

.wpc-growth-speed-badge {
    background: rgba(16, 185, 129, 0.25);
    border: 1px solid rgba(52, 211, 153, 0.4);
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #a7f3d0;
}

.wpc-mega-quick-rates {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 1.25rem;
}

@media (max-width: 680px) {
    .wpc-mega-quick-rates { grid-template-columns: 1fr; }
    .wpc-mega-banner { padding: 1.25rem 1rem; }
}

.wpc-quick-rate-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 16px;
    padding: 0.85rem 1.1rem;
    backdrop-filter: blur(8px);
}

.wpc-qr-icon {
    font-size: 1.8rem;
    line-height: 1;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}

.wpc-qr-freq {
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
}

.wpc-qr-freq b {
    font-size: 1.05rem;
    font-weight: 800;
    color: #67e8f9;
}

.wpc-qr-sub {
    font-size: 0.78rem;
    color: var(--wpc-mega-sub);
    margin-top: 0.15rem;
}

/* --------------------------------------------------------------------------
   Main Interactive Grid (Canvas + Live Panels)
   -------------------------------------------------------------------------- */
.wpc-main-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.5rem;
    margin-bottom: 2.25rem;
}

@media (max-width: 980px) {
    .wpc-main-grid { grid-template-columns: 1fr; }
}

/* Canvas Card */
.wpc-canvas-card {
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 24px;
    padding: 1.25rem;
    box-shadow: var(--wpc-card-shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.wpc-canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.wpc-canvas-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wpc-canvas-icon {
    font-size: 1.3rem;
}

.wpc-canvas-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--wpc-text-primary);
}

.wpc-canvas-tabs {
    display: flex;
    background: rgba(148, 163, 184, 0.15);
    border-radius: 12px;
    padding: 0.2rem;
    gap: 0.2rem;
}

.wpc-tab-btn {
    background: transparent;
    border: none;
    color: var(--wpc-text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.wpc-tab-btn:hover {
    color: var(--wpc-text-primary);
}

.wpc-tab-btn.active {
    background: var(--wpc-card-bg);
    color: var(--wpc-net);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Canvas Viewport */
.wpc-globe-viewport-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-height: 480px;
    margin: 0 auto;
    border-radius: 20px;
    background: var(--wpc-canvas-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.wpc-globe-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
}

.wpc-globe-canvas:active {
    cursor: grabbing;
}

/* Canvas Controls Overlay */
.wpc-canvas-overlay-ctrls {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    z-index: 10;
}

.wpc-overlay-btn {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.4rem 0.65rem;
    border-radius: 9px;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.wpc-overlay-btn:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(56, 189, 248, 0.4);
}

.wpc-overlay-btn.active {
    border-color: #38bdf8;
    color: #38bdf8;
}

.wpc-canvas-legend {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 0.35rem 0.7rem;
    display: flex;
    gap: 0.8rem;
    backdrop-filter: blur(6px);
    font-size: 0.72rem;
    color: #e2e8f0;
    z-index: 10;
}

.wpc-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.wpc-legend-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.wpc-legend-dot.birth { background: #34d399; box-shadow: 0 0 6px #34d399; }
.wpc-legend-dot.death { background: #fb7185; box-shadow: 0 0 6px #fb7185; }

.wpc-canvas-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.85rem;
    gap: 0.75rem;
    font-size: 0.78rem;
    color: var(--wpc-text-muted);
    flex-wrap: wrap;
}

.wpc-event-ticker {
    font-weight: 600;
    color: var(--wpc-net);
}

/* --------------------------------------------------------------------------
   Stats Column & Panels
   -------------------------------------------------------------------------- */
.wpc-stats-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.wpc-panel {
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 20px;
    padding: 1.25rem;
    box-shadow: var(--wpc-card-shadow);
}

.wpc-panel-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.wpc-panel-icon {
    font-size: 1.2rem;
}

.wpc-panel-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--wpc-text-primary);
}

/* Today Grid */
.wpc-today-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

@media (max-width: 580px) {
    .wpc-today-grid { grid-template-columns: 1fr; }
}

.wpc-stat-box {
    border-radius: 16px;
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
}

.wpc-box-birth {
    background: var(--wpc-birth-bg);
    border-color: var(--wpc-birth-border);
}

.wpc-box-death {
    background: var(--wpc-death-bg);
    border-color: var(--wpc-death-border);
}

.wpc-box-net {
    background: var(--wpc-net-bg);
    border-color: var(--wpc-net-border);
}

.wpc-stat-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--wpc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.wpc-stat-val {
    font-size: 1.35rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
    margin: 0.25rem 0 0.4rem;
}

.wpc-box-birth .wpc-stat-val { color: var(--wpc-birth); }
.wpc-box-death .wpc-stat-val { color: var(--wpc-death); }
.wpc-box-net .wpc-stat-val { color: var(--wpc-net); }

.wpc-stat-bar {
    height: 4px;
    background: rgba(148, 163, 184, 0.2);
    border-radius: 9999px;
    overflow: hidden;
    margin-top: auto;
}

.wpc-bar-fill {
    height: 100%;
    border-radius: 9999px;
    width: 60%;
}

.wpc-bar-fill.birth { background: var(--wpc-birth); }
.wpc-bar-fill.death { background: var(--wpc-death); }
.wpc-bar-fill.net { background: var(--wpc-net); }

/* Year Grid */
.wpc-year-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
}

.wpc-mini-metric {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--wpc-card-border);
    border-radius: 12px;
    padding: 0.75rem 0.9rem;
    display: flex;
    flex-direction: column;
}

.wpc-mm-title {
    font-size: 0.74rem;
    color: var(--wpc-text-muted);
    font-weight: 600;
}

.wpc-mm-val {
    font-size: 1.15rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
    margin-top: 0.2rem;
    color: var(--wpc-text-primary);
}

.color-birth { color: var(--wpc-birth) !important; }
.color-death { color: var(--wpc-death) !important; }
.color-net { color: var(--wpc-net) !important; }

/* Session Panel */
.wpc-session-panel {
    background: linear-gradient(135deg, var(--wpc-card-bg) 0%, rgba(14, 165, 233, 0.06) 100%);
}

.wpc-timer-badge {
    margin-left: auto;
    background: var(--wpc-tag-bg);
    border: 1px solid var(--wpc-net-border);
    color: var(--wpc-net);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.2rem 0.55rem;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
}

.wpc-session-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.wpc-session-cell {
    flex: 1;
    text-align: center;
}

.wpc-sess-val {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
}

.wpc-sess-lbl {
    font-size: 0.72rem;
    color: var(--wpc-text-muted);
    margin-top: 0.15rem;
    font-weight: 600;
}

.wpc-session-divider {
    width: 1px;
    height: 36px;
    background: var(--wpc-card-border);
}

/* --------------------------------------------------------------------------
   Rate Periods Section
   -------------------------------------------------------------------------- */
.wpc-section-wrap {
    margin-bottom: 2.5rem;
}

.wpc-sec-header {
    margin-bottom: 1.25rem;
}

.wpc-sec-heading {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0 0 0.3rem;
    color: var(--wpc-text-primary);
}

.wpc-sec-sub {
    font-size: 0.88rem;
    color: var(--wpc-text-muted);
    margin: 0;
}

.wpc-rates-card-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

@media (max-width: 1040px) {
    .wpc-rates-card-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
    .wpc-rates-card-grid { grid-template-columns: 1fr; }
}

.wpc-time-rate-card {
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 18px;
    padding: 1.1rem;
    box-shadow: var(--wpc-card-shadow);
    transition: all 0.2s ease;
}

.wpc-time-rate-card:hover {
    border-color: var(--wpc-card-hover-border);
    transform: translateY(-2px);
}

.wpc-time-rate-card.highlight-card {
    border-color: var(--wpc-net);
    background: linear-gradient(135deg, var(--wpc-card-bg) 0%, rgba(14, 165, 233, 0.08) 100%);
}

.wpc-tr-head {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--wpc-text-primary);
    margin-bottom: 0.75rem;
}

.wpc-tr-icon {
    font-size: 1rem;
}

.wpc-tr-body {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.wpc-tr-row {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.8rem;
    color: var(--wpc-text-secondary);
}

.wpc-tr-row strong {
    margin-left: auto;
    font-family: 'JetBrains Mono', monospace;
    font-variant-numeric: tabular-nums;
    color: var(--wpc-text-primary);
}

.wpc-tr-row.net strong {
    color: var(--wpc-net);
    font-weight: 800;
}

.wpc-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.wpc-dot.birth { background: var(--wpc-birth); }
.wpc-dot.death { background: var(--wpc-death); }
.wpc-dot.net { background: var(--wpc-net); }

/* --------------------------------------------------------------------------
   Calculator: "Qual era la popolazione quando sei nato?"
   -------------------------------------------------------------------------- */
.wpc-calc-card {
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--wpc-card-shadow);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    position: relative;
    overflow: hidden;
}

@media (max-width: 860px) {
    .wpc-calc-card { grid-template-columns: 1fr; padding: 1.5rem; }
}

.wpc-calc-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--wpc-net);
    background: var(--wpc-tag-bg);
    border: 1px solid var(--wpc-net-border);
    padding: 0.25rem 0.65rem;
    border-radius: 8px;
    margin-bottom: 0.6rem;
}

.wpc-calc-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0 0 0.4rem;
    color: var(--wpc-text-primary);
    line-height: 1.25;
}

.wpc-calc-sub {
    font-size: 0.88rem;
    color: var(--wpc-text-muted);
    margin: 0 0 1.25rem;
    line-height: 1.45;
}

.wpc-calc-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.wpc-calc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.wpc-input-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--wpc-text-secondary);
}

.wpc-date-input {
    background: var(--wpc-input-bg);
    border: 1px solid var(--wpc-input-border);
    color: var(--wpc-text-primary);
    padding: 0.65rem 0.9rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    font-weight: 600;
    outline: none;
    transition: all 0.15s ease;
}

.wpc-date-input:focus {
    border-color: var(--wpc-net);
    box-shadow: 0 0 0 3px var(--wpc-net-glow);
}

.wpc-calc-submit-btn {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    border: none;
    color: #ffffff;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px var(--wpc-net-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.wpc-calc-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--wpc-net-glow);
}

.wpc-calc-results {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.wpc-res-card {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--wpc-card-border);
    border-radius: 16px;
    padding: 0.9rem 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.wpc-res-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.wpc-res-label {
    font-size: 0.76rem;
    color: var(--wpc-text-muted);
    font-weight: 600;
}

.wpc-res-val {
    margin-left: auto;
    font-size: 1.25rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--wpc-text-primary);
}

.wpc-res-summary {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--wpc-text-secondary);
    background: var(--wpc-tag-bg);
    border: 1px solid var(--wpc-net-border);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Top Countries & Continents Split Grid
   -------------------------------------------------------------------------- */
.wpc-split-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

@media (max-width: 980px) {
    .wpc-split-grid { grid-template-columns: 1fr; }
}

.wpc-countries-panel {
    display: flex;
    flex-direction: column;
}

.wpc-panel-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wpc-filter-wrap {
    margin-left: auto;
}

.wpc-search-input {
    background: var(--wpc-input-bg);
    border: 1px solid var(--wpc-input-border);
    color: var(--wpc-text-primary);
    padding: 0.4rem 0.75rem;
    border-radius: 10px;
    font-size: 0.8rem;
    outline: none;
    width: 160px;
    transition: all 0.15s ease;
}

.wpc-search-input:focus {
    border-color: var(--wpc-net);
    width: 200px;
}

.wpc-table-responsive {
    overflow-x: auto;
    margin-top: 0.5rem;
}

.wpc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.wpc-table th {
    text-align: left;
    padding: 0.65rem 0.75rem;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--wpc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--wpc-card-border);
}

.wpc-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    vertical-align: middle;
}

.wpc-table tr:hover td {
    background: var(--wpc-table-stripe);
}

.wpc-th-rank { width: 36px; }
.wpc-country-cell {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
}

.wpc-flag { font-size: 1.15rem; line-height: 1; }
.text-right { text-align: right; }

.wpc-pop-live {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--wpc-text-primary);
}

.wpc-share-badge {
    display: inline-block;
    background: rgba(148, 163, 184, 0.15);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.76rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.wpc-growth-tag {
    font-size: 0.76rem;
    font-weight: 700;
}

.wpc-growth-tag.up { color: var(--wpc-birth); }
.wpc-growth-tag.down { color: var(--wpc-death); }

/* Side Panels */
.wpc-side-panels {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Continents List */
.wpc-continents-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.wpc-continent-row {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.wpc-cont-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
}

.wpc-cont-name {
    font-weight: 700;
    color: var(--wpc-text-primary);
}

.wpc-cont-num {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--wpc-text-secondary);
}

.wpc-cont-track {
    height: 8px;
    background: rgba(148, 163, 184, 0.15);
    border-radius: 9999px;
    overflow: hidden;
}

.wpc-cont-bar {
    height: 100%;
    border-radius: 9999px;
    background: linear-gradient(90deg, #0284c7, #10b981);
    transition: width 0.3s ease;
}

[data-theme="dark"] .wpc-cont-bar {
    background: linear-gradient(90deg, #38bdf8, #34d399);
}

/* Demographics Facts */
.wpc-facts-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.wpc-fact-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.55rem 0.75rem;
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--wpc-card-border);
    border-radius: 12px;
    font-size: 0.82rem;
}

.wpc-fact-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wpc-fact-icon { font-size: 1.1rem; }
.wpc-fact-label { font-weight: 600; color: var(--wpc-text-secondary); }
.wpc-fact-val { font-weight: 800; color: var(--wpc-text-primary); font-family: 'JetBrains Mono', monospace; }

/* --------------------------------------------------------------------------
   Milestones & Timeline (1950 - 2100)
   -------------------------------------------------------------------------- */
.wpc-milestones-scroller {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.wpc-milestone-item {
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 16px;
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--wpc-card-shadow);
    transition: all 0.2s ease;
}

.wpc-milestone-item:hover {
    transform: translateY(-2px);
    border-color: var(--wpc-card-hover-border);
}

.wpc-milestone-item.current-tag {
    border-color: var(--wpc-birth);
    background: linear-gradient(135deg, var(--wpc-card-bg) 0%, rgba(16, 185, 129, 0.08) 100%);
}

.wpc-ms-badge {
    position: absolute;
    top: -8px;
    right: 8px;
    background: var(--wpc-birth);
    color: #ffffff;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 0.15rem 0.45rem;
    border-radius: 9999px;
    letter-spacing: 0.04em;
}

.wpc-ms-year {
    font-size: 0.82rem;
    font-weight: 800;
    color: var(--wpc-text-muted);
}

.wpc-ms-val {
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--wpc-text-primary);
    margin: 0.2rem 0 0.3rem;
    font-family: 'JetBrains Mono', monospace;
}

.wpc-milestone-item.current-tag .wpc-ms-val {
    color: var(--wpc-birth);
}

.wpc-ms-desc {
    font-size: 0.7rem;
    color: var(--wpc-text-muted);
    line-height: 1.35;
    margin-top: auto;
}

/* Countdown 9B Box */
.wpc-countdown-box {
    background: var(--wpc-card-bg);
    border: 1px solid var(--wpc-card-border);
    border-radius: 20px;
    padding: 1.25rem 1.75rem;
    box-shadow: var(--wpc-card-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.wpc-cd-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.wpc-cd-icon {
    font-size: 2.2rem;
    line-height: 1;
}

.wpc-cd-title {
    margin: 0 0 0.2rem;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--wpc-text-primary);
}

.wpc-cd-sub {
    margin: 0;
    font-size: 0.82rem;
    color: var(--wpc-text-muted);
}

.wpc-cd-digits {
    display: flex;
    gap: 0.6rem;
}

.wpc-cd-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--wpc-tag-bg);
    border: 1px solid var(--wpc-net-border);
    border-radius: 12px;
    padding: 0.5rem 0.75rem;
    min-width: 54px;
}

.wpc-cd-num {
    font-size: 1.3rem;
    font-weight: 900;
    font-family: 'JetBrains Mono', monospace;
    color: var(--wpc-net);
    line-height: 1;
}

.wpc-cd-lbl {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--wpc-text-muted);
    text-transform: uppercase;
    margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   Footer Methodology Note
   -------------------------------------------------------------------------- */
.wpc-footer-note {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--wpc-card-border);
    border-radius: 16px;
    padding: 1.25rem;
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--wpc-text-muted);
}

.wpc-fn-head {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--wpc-text-primary);
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
}

.wpc-fn-icon { font-size: 1rem; }
.wpc-fn-text { margin: 0; }