/* ============================================
   Thảo Nguyên CKVN — World-Class Modern FinTech Theme
   Glassmorphism, Plus Jakarta Sans, 3D Neon Glow
   ============================================ */

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #131c2e;
    --bg-card: rgba(19, 28, 46, 0.7);
    --bg-card-hover: rgba(30, 41, 64, 0.85);
    --bg-glass: rgba(11, 15, 25, 0.85);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --buy: #10b981;
    --buy-bg: rgba(16, 185, 129, 0.12);
    --buy-border: rgba(16, 185, 129, 0.3);
    --buy-glow: 0 0 12px rgba(16, 185, 129, 0.5);

    --sell: #f43f5e;
    --sell-bg: rgba(244, 63, 94, 0.12);
    --sell-border: rgba(244, 63, 94, 0.3);
    --sell-glow: 0 0 12px rgba(244, 63, 94, 0.5);

    --sideway: #64748b;
    --sideway-bg: rgba(100, 116, 139, 0.12);
    --sideway-border: rgba(100, 116, 139, 0.3);

    --accent-blue: #3b82f6;
    --accent-gold: #f59e0b;
    --accent-purple: #8b5cf6;

    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;

    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(ellipse at 15% 10%, rgba(59, 130, 246, 0.08) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 90%, rgba(16, 185, 129, 0.06) 0%, transparent 45%);
    background-attachment: fixed;
}

.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* === Modern Header === */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 36px;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo-badge {
    font-size: 1.6rem;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-menu { display: flex; gap: 8px; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* === User Auth Bar === */
.user-auth-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.vip-status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
}

.vip-status-pill.free { color: var(--text-muted); }
.vip-status-pill.vip {
    color: var(--accent-gold);
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.12);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

.btn-upgrade-vip {
    padding: 9px 18px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
    transition: var(--transition);
}

.btn-upgrade-vip:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-google-login {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    background: #ffffff;
    color: #0f172a;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-google-login:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(255, 255, 255, 0.25); }

/* === Main Content === */
.content { flex: 1; padding: 28px 36px; }

.page-content { display: none; }
.page-content.active { display: block; }

/* === Controls Row (Compact Sector Dropdown & Search Bar) === */
.controls-row {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.sector-dropdown-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 18px;
    max-width: 340px;
    box-shadow: var(--shadow-glass);
}

.sector-dropdown-label {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sector-dropdown-select {
    width: 100%;
    background: #0b0f19;
    color: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-family: var(--font-main);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}

.sector-dropdown-select:focus,
.sector-dropdown-select:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.25);
}

/* Symbol Search Autocomplete Input */
.symbol-search-container {
    position: relative;
    flex: 1;
    min-width: 260px;
}

.symbol-search-input {
    width: 100%;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    color: #ffffff;
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    outline: none;
    transition: var(--transition);
    box-shadow: var(--shadow-glass);
}

.symbol-search-input:focus {
    border-color: var(--accent-blue);
    background: #0b0f19;
    box-shadow: 0 0 16px rgba(59, 130, 246, 0.3);
}

.search-suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 6px;
    background: #131c2e;
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    max-height: 280px;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 18px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}

.suggestion-item:last-child { border-bottom: none; }
.suggestion-item:hover { background: rgba(59, 130, 246, 0.2); }
.suggestion-name { font-weight: 800; color: #ffffff; font-size: 0.9rem; }
.suggestion-display { font-size: 0.78rem; color: var(--text-muted); }

/* Star Watchlist Button (White unstarred -> Gold starred) */
.star-watchlist-btn {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: #94a3b8;
    opacity: 0.6;
    transition: var(--transition);
}

.star-watchlist-btn:hover {
    opacity: 1;
    transform: scale(1.2);
}

.star-watchlist-btn.starred {
    color: #f59e0b;
    opacity: 1;
    filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.6));
}

/* === MKI Filter Bar === */
.mki-filter-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.mki-filter-btn {
    padding: 9px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.mki-filter-btn:hover {
    color: #ffffff;
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.mki-filter-btn.active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff;
    border-color: #3b82f6;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

/* === Accordion Table Design (Fast Sub-50ms Load) === */
.stock-table-wrapper {
    width: 100%;
    overflow-x: auto;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glass);
}

.stock-accordion-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.stock-accordion-table th {
    background: rgba(11, 15, 25, 0.8);
    padding: 14px 18px;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.col-stt { width: 50px; text-align: center; }
.col-star { width: 45px; text-align: center; }
.col-symbol { width: 140px; }
.col-name { min-width: 200px; }
.col-sector { width: 150px; }
.col-status { width: 160px; text-align: right; }
.col-action { width: 90px; text-align: center; }

.stock-row {
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.stock-row:hover {
    background: rgba(59, 130, 246, 0.08);
}

.stock-row.expanded {
    background: rgba(30, 41, 64, 0.6);
    border-bottom: none;
}

.stock-row td {
    padding: 14px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    vertical-align: middle;
}

.td-stt {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
    font-size: 0.85rem;
}

.td-symbol {
    display: flex;
    align-items: center;
    gap: 10px;
}

.symbol-badge-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.symbol-code-text {
    font-weight: 800;
    font-size: 1rem;
    color: #ffffff;
    letter-spacing: -0.2px;
}

.td-name {
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
}

.td-sector-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.btn-toggle-expand {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 0.75rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-toggle-expand:hover,
.stock-row.expanded .btn-toggle-expand {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    transform: rotate(180deg);
}

/* Expandable Dots Container Row */
.expandable-dots-row {
    display: none;
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-hover);
}

.expandable-dots-row.active {
    display: table-row;
}

.dots-expanded-wrapper {
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mki-symbol-group {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-glass);
    transition: var(--transition);
}

.mki-symbol-group:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

/* Symbol Header */
.mki-symbol-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mki-symbol-title-box {
    display: flex;
    align-items: center;
    gap: 14px;
}

.star-watchlist-btn {
    background: transparent;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0.4;
    transition: var(--transition);
}

.star-watchlist-btn.starred,
.star-watchlist-btn:hover {
    opacity: 1;
    transform: scale(1.15);
}

.mki-symbol-badge {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.mki-symbol-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.2px;
}

.mki-symbol-display {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Timeframe Row */
.mki-tf-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.mki-tf-label {
    width: 44px;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.mki-dots-wrapper {
    flex: 1;
    overflow-x: auto;
}

.mki-dots-container {
    display: flex;
    gap: 9px;
    align-items: center;
}

/* 3D Neon Glowing Dots */
.mki-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    transition: transform 0.2s;
}

.mki-dot:hover {
    transform: scale(1.3);
}

.mki-dot.green {
    background: var(--buy);
    box-shadow: var(--buy-glow);
}

.mki-dot.red {
    background: var(--sell);
    box-shadow: var(--sell-glow);
}

.mki-dot.neutral,
.mki-dot.sideway {
    background: var(--sideway);
    box-shadow: 0 0 6px rgba(100, 116, 139, 0.3);
}

/* VNĐ Price Delta Pill Badge */
.mki-vnd-badge {
    min-width: 110px;
    padding: 6px 14px;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.85rem;
    text-align: right;
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    letter-spacing: -0.2px;
}

.mki-vnd-badge.green {
    background: var(--buy-bg);
    color: var(--buy);
    border: 1px solid var(--buy-border);
}

.mki-vnd-badge.red {
    background: var(--sell-bg);
    color: var(--sell);
    border: 1px solid var(--sell-border);
}

.mki-vnd-badge.neutral,
.mki-vnd-badge.sideway {
    background: var(--sideway-bg);
    color: var(--sideway);
    border: 1px solid var(--sideway-border);
}

/* Modal & Paywall */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active { display: flex; }

.paywall-modal {
    background: #131c2e;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 800px;
    padding: 36px;
    position: relative;
    color: #ffffff;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.modal-close {
    position: absolute;
    top: 20px; right: 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.6rem;
    cursor: pointer;
}

.paywall-header { text-align: center; margin-bottom: 28px; }
.paywall-header h2 { font-size: 1.6rem; color: var(--accent-gold); margin-bottom: 6px; }

.pricing-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.plan-card {
    background: #0b0f19;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.plan-card:hover { transform: translateY(-4px); border-color: var(--accent-blue); }
.plan-card.popular { border-color: var(--accent-gold); }

.popular-badge {
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: #000;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 10px;
}

.plan-title { font-weight: 800; font-size: 1.1rem; margin-bottom: 10px; }
.plan-price { font-size: 1.35rem; font-weight: 800; color: var(--accent-gold); font-family: var(--font-mono); }
.plan-desc { font-size: 0.8rem; color: var(--text-muted); margin: 14px 0; }

.plan-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
}

.footer { padding: 28px 36px; border-top: 1px solid var(--border); font-size: 0.85rem; color: var(--text-muted); }
.footer-content { display: flex; justify-content: space-between; align-items: center; }