:root {
    --primary: #0f172a;
    --secondary: #3b82f6;
    --accent: #06b6d4;
    --bg-body: #eef2f7;
    --bg-card: #ffffff;
    --text-main: #1f2937;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    --radius: 14px;
    --sidebar-w: 280px;
    --header-h: 60px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, #0f172a 0%, #0b1220 100%);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    padding: 25px 20px;
    z-index: 1000;
    box-shadow: 6px 0 18px rgba(15, 23, 42, 0.15);
    transition: transform 0.3s ease-in-out;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 40px;
    color: white;
    text-decoration: none;
}

.sidebar-brand span { color: var(--secondary); }

.nav-group {
    margin: 30px 0 10px;
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #cbd5e1;
    text-decoration: none;
    margin-bottom: 6px;
    border-radius: 10px;
    transition: all 0.2s;
    font-size: 0.9rem;
    font-weight: 600;
}

.nav-link i { width: 18px; height: 18px; opacity: 0.7; }

.nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    transform: translateX(3px);
}

.nav-link.active {
    background: var(--secondary);
    color: white;
    box-shadow: 0 8px 18px rgba(59, 130, 246, 0.3);
}

.nav-link.active i { opacity: 1; }

.sub-nav {
    padding-left: 45px;
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: -2px;
}

.sub-nav:hover { opacity: 1; }

/* Mobile Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: var(--primary);
    color: white;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 900;
    box-shadow: 0 2px 14px rgba(0, 0, 0, 0.16);
}

.menu-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    z-index: 950;
    backdrop-filter: blur(2px);
}

.overlay.active { display: block; }

/* Main Content */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 40px;
    max-width: 1400px;
    transition: all 0.3s;
}

h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-top: 0;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary);
    margin: 50px 0 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

h2::before {
    content: "";
    display: block;
    width: 4px;
    height: 24px;
    background: var(--secondary);
    border-radius: 2px;
}

.section-title {
    margin-top: 0;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
}

.subtle-title {
    font-size: 1rem;
    color: var(--text-muted);
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.grid-2 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.ai-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-left: 4px solid var(--secondary);
    padding: 25px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #334155;
    white-space: pre-wrap;
}

.ai-box b { color: var(--primary); font-weight: 700; }
.ai-box ul { padding-left: 20px; margin: 10px 0; }
.ai-box li { margin-bottom: 8px; }

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-btn {
    background: #e2e8f0;
    border: 1px solid #e2e8f0;
    color: #334155;
    padding: 10px 16px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.tab-btn:hover { background: #dbeafe; border-color: #bfdbfe; }
.tab-btn:focus-visible { outline: 3px solid rgba(59, 130, 246, 0.35); outline-offset: 2px; }
.tab-btn.active { background: var(--secondary); color: white; border-color: var(--secondary); }

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

/* Table + Plot Embeds */
.plot-frame,
.table-frame {
    width: 100%;
    border: none;
    border-radius: 12px;
    background: white;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.plot-frame { height: 420px; }
.table-frame { height: 520px; }

.plot-inline > div { max-width: 100%; }

.empty-state {
    padding: 24px;
    border: 1px dashed #cbd5e1;
    border-radius: 12px;
    background: #f8fafc;
    color: var(--text-muted);
    text-align: center;
}

.download-link {
    display: inline-flex;
    margin-top: 10px;
    font-weight: 600;
    color: #16a34a;
    text-decoration: none;
    border: 1px solid rgba(22, 163, 74, 0.2);
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(22, 163, 74, 0.08);
}

.download-link:hover {
    background: rgba(22, 163, 74, 0.16);
}

/* News Feed */
.news-layout {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(260px, 1fr);
    gap: 24px;
    align-items: start;
}

.news-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-hero {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: #eff6ff;
    border-color: #bfdbfe;
}

.news-hero__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #3b82f6;
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-hero__title { font-weight: 700; color: var(--primary); }
.news-hero__text { margin: 6px 0 0; color: var(--text-muted); }

.news-feed {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 22px;
    background: white;
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.news-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
}

.news-date { white-space: nowrap; }

.news-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.news-tag {
    padding: 4px 8px;
    border-radius: 999px;
    background: #e2e8f0;
    font-size: 0.7rem;
    font-weight: 600;
    color: #1f2937;
}

.news-tag--ccyb { background: #dcfce7; color: #166534; }
.news-tag--syrb { background: #e0f2fe; color: #075985; }
.news-tag--bbm { background: #fef3c7; color: #92400e; }
.news-tag--real-estate { background: #ede9fe; color: #6d28d9; }
.news-tag--capital { background: #fee2e2; color: #991b1b; }
.news-tag--reciprocation { background: #fee2e2; color: #991b1b; }
.news-tag--source { background: #f1f5f9; color: #475569; }

.news-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary);
    word-break: break-word;
}

.news-countries {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.news-pill {
    padding: 4px 10px;
    border-radius: 999px;
    background: #f1f5f9;
    font-size: 0.72rem;
    font-weight: 600;
    color: #1f2937;
}

.news-summary {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

.news-divider {
    height: 1px;
    background: #e2e8f0;
    width: 100%;
}

.news-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.news-source {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.news-source__icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #e2e8f0;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    overflow: hidden;
}

.news-source__favicon {
    width: 18px;
    height: 18px;
}

.news-link {
    color: var(--secondary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-link:hover { text-decoration: underline; }

.news-link__icon {
    display: inline-flex;
    align-items: center;
}

.news-sidebar { display: flex; flex-direction: column; gap: 16px; }

.filter-group { margin-top: 16px; }
.filter-title { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #1f2937;
    margin-bottom: 6px;
}

.filter-option input { accent-color: var(--secondary); }

.news-sidebar .chart-input {
    width: 100%;
}

.link-button {
    background: none;
    border: none;
    color: var(--secondary);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-pill {
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    cursor: pointer;
    color: #1f2937;
}

.tag-pill:hover { background: #e2e8f0; }

@media (max-width: 1200px) {
    .news-layout { grid-template-columns: 1fr; }
}

.ref-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: -15px;
    margin-bottom: 20px;
    display: block;
}

/* Filter Controls */
.controls-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.chart-input {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 300px;
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s;
    outline: none;
}

.chart-input:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 992px) {
    .mobile-header { display: flex; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); }
    .main-content { margin-left: 0; width: 100%; padding: 80px 20px 40px; }
    .card { padding: 20px; }
    .plot-frame { height: 360px; }
    .table-frame { height: 460px; }
    h1 { font-size: 1.8rem; }
    .chart-input { width: 100%; }
}

@media (max-width: 640px) {
    .card-title { flex-direction: column; align-items: flex-start; gap: 10px; }
    .plot-frame { height: 320px; }
    .table-frame { height: 420px; }
}