/* Ultra-Minimalist Financial Theme */

:root {
    --bg-dark: #090d16;
    --bg-panel: #111827;
    --bg-hover: #1f293d;
    --border-color: #1f293d;
    
    --text-main: #f3f4f6;
    --text-sub: #9ca3af;
    
    --green-val: #22c55e;
    --red-val: #ef4444;
    
    --accent-blue: #3b82f6;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    padding: 0 14px 14px 14px;
    line-height: 1.4;
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Sticky Top Navigation Bar */
.header.sticky-top {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 0 0 8px 8px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    margin-bottom: 4px;
}

.header h1 {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--text-main);
}

/* Compact NIFTY 50 Header Center Display */
.header-center-index {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    background: #0d1321;
    border: 1px solid var(--border-color);
    padding: 4px 12px;
    border-radius: 6px;
}

.idx-lbl {
    font-weight: 800;
    font-size: 11px;
    color: var(--text-sub);
    letter-spacing: 0.5px;
}

.idx-val {
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-main);
}

.idx-chg {
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 11px;
}

.idx-divider {
    color: var(--border-color);
    margin: 0 2px;
}

.idx-sub {
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-sub);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Dynamic Connection Sync Indicator Dot (Decreased size to 7px) */
.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    min-width: 7px;
    min-height: 7px;
    border-radius: 50%;
    margin: 0;
    padding: 0;
    cursor: help;
    flex-shrink: 0;
    box-sizing: border-box;
}

.status-dot.online {
    background-color: #22c55e !important;
}

.status-dot.offline {
    background-color: #ef4444 !important;
}

/* Network Error Warning Card (Offline Banner) */
.network-error-card {
    background: var(--bg-panel);
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
}

.network-error-card.hidden {
    display: none !important;
}

.net-err-icon {
    font-size: 36px;
}

.network-error-card h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--red-val);
}

.network-error-card p {
    font-size: 12px;
    color: var(--text-sub);
}

/* Indian Standard Time (IST) Clock Badge */
.ist-clock-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #0d1321;
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
}

.flag {
    font-size: 13px;
    line-height: 1;
}

.time-text {
    font-size: 11px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-weight: 700;
}

.btn-refresh {
    background: var(--bg-dark);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    user-select: none;
    line-height: 1;
}

.btn-refresh:hover {
    background: var(--bg-card);
    border-color: #3b82f6;
    color: #60a5fa;
}

.btn-refresh:active {
    transform: scale(0.92);
}

.btn-refresh.spinning .refresh-icon {
    animation: spin 0.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Flash feedback effect when refreshing data */
.table-flash {
    animation: flash-pulse 0.4s ease-out;
}

@keyframes flash-pulse {
    0% { opacity: 0.5; }
    50% { opacity: 0.85; }
    100% { opacity: 1; }
}

.green { color: var(--green-val) !important; }
.red { color: var(--red-val) !important; }
.neutral { color: #94a3b8 !important; font-weight: 600; }

/* Market Section & Banner Styling */
.market-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.section-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-panel);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.banner-title-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-banner h2 {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

/* Market Status Badges (OPEN / CLOSED) */
.market-status-badge {
    font-size: 10px;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

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

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

.preopen-banner {
    border-left: 3px solid #f59e0b;
}

.live-banner {
    border-left: 3px solid var(--green-val);
}

.badge-time {
    font-size: 10px;
    color: var(--text-sub);
    font-weight: 600;
}

/* 4-COLUMN ROW GRID LAYOUT */
.categories-row-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.category-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.category-title-bar {
    background: #151d2d;
    padding: 6px 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-title-bar h2 {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.3px;
}

.tag-sub {
    font-size: 10px;
    color: var(--text-sub);
}

.dual-subtables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border-color);
}

.sub-table-wrapper {
    background: var(--bg-panel);
    overflow-x: auto;
}

.sub-table-header {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 5px 8px;
    background: #0d1321;
    border-bottom: 1px solid var(--border-color);
}

/* Master Table Styling */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    table-layout: fixed;
}

.data-table th {
    background: #0d1321;
    color: var(--text-sub);
    padding: 4px 6px;
    font-weight: 600;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table td {
    padding: 4px 6px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-mono { font-family: var(--font-mono); }

/* Minimal Text Formatting (NO BACKGROUND HIGHLIGHT) */
.val-plain {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 11px;
}

/* Top Table Ultra-Compact Column Alignments */
.col-top-rank { width: 18px; text-align: center; color: var(--text-sub); }
.col-top-symbol { text-align: left; }
.col-top-pchange { width: 52px; text-align: right; }

/* All Stocks Table Column Alignments */
.col-all-rank { width: 45px; text-align: center; color: var(--text-sub); }
.col-all-symbol { width: 120px; text-align: left; }
.col-all-name { text-align: left; }
.col-all-ltp { width: 100px; text-align: right; }
.col-all-change { width: 100px; text-align: right; }
.col-all-pchange { width: 90px; text-align: right; }
.col-all-high { width: 100px; text-align: right; }
.col-all-low { width: 100px; text-align: right; }
.col-all-vol { width: 100px; text-align: right; }

/* All Stocks Section */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.panel-toolbar {
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.panel-toolbar h2 {
    font-size: 13px;
    font-weight: 700;
}

.panel-toolbar input {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 12px;
    outline: none;
    width: 220px;
}

/* Clickable cursor for symbols and headers */
.clickable {
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
}
.clickable:hover {
    background: rgba(59, 130, 246, 0.15) !important;
    color: #60a5fa !important;
}

.col-top-symbol, .col-all-symbol {
    cursor: pointer;
    text-decoration: underline dotted;
    text-underline-offset: 3px;
    color: #60a5fa;
}
.col-top-symbol:hover, .col-all-symbol:hover {
    color: #93c5fd;
}

/* Chart Modal Overlay */
.chart-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.chart-modal.hidden {
    display: none !important;
}

.chart-modal-content {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 900px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.chart-title-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chart-title-group h2 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-main);
}

.badge-price {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-sub);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.btn-close:hover {
    color: var(--text-main);
    background: var(--bg-hover);
}

.chart-body {
    position: relative;
    height: 400px;
    width: 100%;
}

/* Responsive Fallbacks */
@media (max-width: 1280px) {
    .categories-row-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 650px) {
    .header.sticky-top { flex-direction: column; gap: 8px; align-items: flex-start; }
    .categories-row-grid { grid-template-columns: 1fr; }
    .dual-subtables { grid-template-columns: 1fr; }
}