/* ===================================================================
   BOJ Monetary Policy Monitor — GKCM Institutional Theme
   Matches the Market Overview design language
   =================================================================== */

:root {
    --bt-bg: #F5F6F8;
    --bt-card: #FFFFFF;
    --bt-border: rgba(0, 0, 0, 0.08);
    --bt-border-strong: rgba(0, 0, 0, 0.12);
    --bt-text: #1A1D23;
    --bt-text-2: #6B7280;
    --bt-text-3: #9CA3AF;
    --bt-green: #10B981;
    --bt-green-bg: rgba(16, 185, 129, 0.08);
    --bt-red: #EF4444;
    --bt-red-bg: rgba(239, 68, 68, 0.08);
    --bt-amber: #F59E0B;
    --bt-amber-bg: rgba(245, 158, 11, 0.08);
    --bt-cyan: #06B6D4;
    --bt-purple: #8B5CF6;
    --bt-accent: #C8102E;
    --bt-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --bt-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --bt-radius: 10px;
    --bt-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}

body:has(.bt) { background: var(--bt-bg); }
body:has(.bt) main > .container { max-width: 1400px; }
.bt { padding: 24px 0 60px; }

/* ===== Page Header ===== */
.bt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--bt-accent);
    flex-wrap: wrap;
    gap: 12px;
}

.bt-header-left {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.bt-back {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bt-text-2);
    text-decoration: none;
    transition: color 0.15s;
}

.bt-back:hover { color: var(--bt-accent); text-decoration: none; }

.bt-title-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.bt-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--bt-text);
    margin: 0;
    letter-spacing: -0.02em;
}

.bt-subtitle {
    font-size: 0.85rem;
    color: var(--bt-text-2);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.bt-header-right { flex-shrink: 0; }

.bt-rate-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 8px;
    padding: 10px 18px;
    box-shadow: var(--bt-shadow);
}

.bt-rate-pill-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--bt-text-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bt-rate-pill-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--bt-text);
    font-family: var(--bt-mono);
}

.bt-rate-pill-badge {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 4px;
    font-family: var(--bt-mono);
}

.bt-rate-pill-badge.cut { background: var(--bt-green-bg); color: var(--bt-green); }
.bt-rate-pill-badge.hold { background: var(--bt-amber-bg); color: var(--bt-amber); }
.bt-rate-pill-badge.hike { background: var(--bt-red-bg); color: var(--bt-red); }

/* ===== Stats Row ===== */
.bt-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.bt-stat {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius);
    padding: 20px;
    box-shadow: var(--bt-shadow);
    transition: box-shadow 0.2s;
}

.bt-stat:hover { box-shadow: var(--bt-shadow-md); }

.bt-stat-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--bt-text-3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
}

.bt-stat-val {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bt-text);
    font-family: var(--bt-mono);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.bt-stat-val.purple { color: var(--bt-purple); }

.bt-stat-sub {
    font-size: 0.72rem;
    color: var(--bt-text-3);
    font-family: var(--bt-mono);
}

/* ===== Chart Section ===== */
.bt-chart-section {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius);
    padding: 20px;
    box-shadow: var(--bt-shadow);
    margin-bottom: 16px;
}

.bt-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--bt-border);
    flex-wrap: wrap;
    gap: 12px;
}

.bt-chart-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.bt-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--bt-text);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Overlay toggle — matches market overview style */
.bt-overlays {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-left: 16px;
    border-left: 1px solid var(--bt-border);
}

.bt-overlay-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--bt-text-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 4px;
}

.bt-overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--bt-border);
    color: var(--bt-text-2);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.bt-overlay-btn:hover { border-color: var(--bt-text-2); }

.bt-overlay-btn.active {
    border-color: transparent;
    color: #FFFFFF;
}

.bt-overlay-btn.active[data-overlay="inflation"] {
    background: var(--bt-purple);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

.bt-overlay-btn.active[data-overlay="target"] {
    background: var(--bt-amber);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.bt-overlay-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.bt-overlay-dot.inflation { background: var(--bt-purple); }
.bt-overlay-dot.target { background: var(--bt-amber); }
.bt-overlay-btn.active .bt-overlay-dot { background: rgba(255,255,255,0.8); }

.bt-chart-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.bt-chart-legend {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bt-leg {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--bt-text-3);
}

.bt-leg-line {
    width: 14px;
    height: 2.5px;
    border-radius: 1px;
}

.bt-leg-line.rate { background: var(--bt-accent); }

.bt-leg-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.bt-leg-dot.cut { background: var(--bt-green); }
.bt-leg-dot.hold { background: var(--bt-amber); }
.bt-leg-dot.hike { background: var(--bt-red); }

.bt-tf-group {
    display: flex;
    gap: 4px;
}

.bt-tf {
    background: transparent;
    border: 1px solid var(--bt-border);
    color: var(--bt-text-2);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.bt-tf:hover { color: var(--bt-accent); border-color: var(--bt-accent); }

.bt-tf.active {
    background: var(--bt-accent);
    border-color: var(--bt-accent);
    color: #FFFFFF;
}

.bt-chart-area {
    height: 380px;
    width: 100%;
}

/* Dynamic legend that appears when overlays are active */
.bt-chart-legend-dynamic {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 10px;
}

.bt-dleg {
    display: none;
    align-items: center;
    gap: 5px;
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--bt-text-3);
}

.bt-dleg.visible { display: flex; }

.bt-dleg-marker {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.bt-dleg-marker.inflation { background: var(--bt-purple); border: 1.5px solid #fff; box-shadow: 0 0 0 1px var(--bt-purple); }
.bt-dleg-marker.target { background: var(--bt-amber); border: 1.5px solid #fff; box-shadow: 0 0 0 1px var(--bt-amber); }

/* ===== Decision Table ===== */
.bt-table-section {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius);
    box-shadow: var(--bt-shadow);
    margin-bottom: 16px;
    overflow: hidden;
}

.bt-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--bt-border);
    flex-wrap: wrap;
    gap: 12px;
}

.bt-filters {
    display: flex;
    gap: 4px;
}

.bt-fil {
    background: transparent;
    border: 1px solid var(--bt-border);
    color: var(--bt-text-2);
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.bt-fil:hover { border-color: var(--bt-text-2); }

.bt-fil.active {
    background: var(--bt-text);
    border-color: var(--bt-text);
    color: #FFFFFF;
}

.bt-table-wrap { overflow-x: auto; }

.bt-tbl {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.bt-tbl thead th {
    padding: 10px 16px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--bt-text-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--bt-border);
    background: rgba(0, 0, 0, 0.01);
    position: sticky;
    top: 0;
    z-index: 1;
    white-space: nowrap;
}

.bt-tbl thead th.r { text-align: right; }
.bt-tbl thead th.notes-col { min-width: 260px; }

.bt-tbl tbody tr {
    transition: background 0.15s ease;
}

.bt-tbl tbody tr:hover { background: rgba(0, 0, 0, 0.02); }

.bt-tbl tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    color: var(--bt-text);
    vertical-align: top;
}

.bt-tbl td.r { text-align: right; }

.bt-tbl .td-date {
    font-family: var(--bt-mono);
    font-size: 0.78rem;
    color: var(--bt-text-2);
    white-space: nowrap;
}

.bt-tbl .td-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bt-tbl .td-badge.cut { background: var(--bt-green-bg); color: var(--bt-green); }
.bt-tbl .td-badge.hold { background: var(--bt-amber-bg); color: var(--bt-amber); }
.bt-tbl .td-badge.hike { background: var(--bt-red-bg); color: var(--bt-red); }

.bt-tbl .td-rate {
    font-family: var(--bt-mono);
    font-weight: 700;
    font-size: 0.82rem;
}

.bt-tbl .td-chg {
    font-family: var(--bt-mono);
    font-weight: 600;
    font-size: 0.78rem;
}

.bt-tbl .td-chg.cut { color: var(--bt-green); }
.bt-tbl .td-chg.hold { color: var(--bt-amber); }
.bt-tbl .td-chg.hike { color: var(--bt-red); }

.bt-tbl .td-prev {
    font-family: var(--bt-mono);
    color: var(--bt-text-2);
    font-size: 0.78rem;
}

.bt-tbl .td-infl {
    font-family: var(--bt-mono);
    font-weight: 600;
    color: var(--bt-purple);
    font-size: 0.78rem;
}

.bt-tbl .td-notes {
    font-size: 0.76rem;
    color: var(--bt-text-2);
    line-height: 1.5;
    max-width: 380px;
}

.bt-more {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 12px;
    background: transparent;
    border: none;
    border-top: 1px solid var(--bt-border);
    color: var(--bt-accent);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.bt-more:hover { background: rgba(200, 16, 46, 0.04); }

/* ===== AI Panel ===== */
.bt-ai {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius);
    box-shadow: var(--bt-shadow);
    overflow: hidden;
}

.bt-ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.06), rgba(139, 92, 246, 0.04));
    border-bottom: 1px solid var(--bt-border);
    flex-wrap: wrap;
    gap: 12px;
}

.bt-ai-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.bt-ai-icon { color: var(--bt-accent); }

.bt-ai-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bt-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bt-ai-sub {
    font-size: 0.68rem;
    color: var(--bt-text-3);
    display: block;
    margin-top: 1px;
}

.bt-ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bt-accent);
    color: #FFFFFF;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.bt-ai-btn:hover { background: #A00D24; box-shadow: 0 2px 8px rgba(200,16,46,0.3); }
.bt-ai-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.bt-ai-btn svg { width: 14px; height: 14px; }

.bt-ai-body { padding: 20px; min-height: 100px; }

.bt-ai-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 28px 20px;
    text-align: center;
    color: var(--bt-text-3);
}

.bt-ai-placeholder svg { opacity: 0.2; }

.bt-ai-placeholder p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 480px;
}

.bt-ai-loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 36px;
    color: var(--bt-text-2);
    font-size: 0.85rem;
}

.bt-ai-loading.visible { display: flex; }

.bt-ai-spinner {
    width: 20px; height: 20px;
    border: 2.5px solid rgba(200,16,46,0.15);
    border-top-color: var(--bt-accent);
    border-radius: 50%;
    animation: bt-spin 0.8s linear infinite;
}

@keyframes bt-spin { to { transform: rotate(360deg); } }

.bt-ai-error {
    display: none;
    padding: 12px 16px;
    background: var(--bt-red-bg);
    border-radius: 6px;
    color: var(--bt-red);
    font-size: 0.82rem;
    font-weight: 500;
}

.bt-ai-error.visible { display: block; }

.bt-ai-result { display: none; }
.bt-ai-result.visible { display: block; }

.bt-ai-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.bt-ai-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.bt-ai-tag-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.bt-ai-tag.dovish { background: var(--bt-green-bg); color: var(--bt-green); }
.bt-ai-tag.hawkish { background: var(--bt-red-bg); color: var(--bt-red); }
.bt-ai-tag.neutral { background: var(--bt-amber-bg); color: #D97706; }
.bt-ai-tag.easing { background: rgba(6,182,212,0.1); color: #0891B2; }
.bt-ai-tag.tightening { background: var(--bt-red-bg); color: var(--bt-red); }
.bt-ai-tag.on-hold { background: var(--bt-amber-bg); color: #D97706; }

.bt-ai-narrative {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.bt-ai-narrative p {
    margin: 0 0 10px;
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--bt-text);
}

.bt-ai-narrative p:last-child { margin-bottom: 0; }

.bt-ai-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.bt-ai-card {
    padding: 14px;
    background: rgba(0,0,0,0.015);
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.04);
}

.bt-ai-card-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bt-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.bt-ai-card-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bt-ai-card-list li {
    position: relative;
    padding: 4px 0 4px 14px;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--bt-text);
}

.bt-ai-card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--bt-accent);
    opacity: 0.5;
}

.bt-ai-disc {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(0,0,0,0.06);
    font-size: 0.7rem;
    color: var(--bt-text-3);
    font-style: italic;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .bt-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .bt-ai-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .bt-header { flex-direction: column; align-items: flex-start; }
    .bt-title-row { flex-direction: column; gap: 4px; }
    .bt-title { font-size: 1.4rem; }
    .bt-stats { grid-template-columns: 1fr; }
    .bt-chart-area { height: 260px; }
    .bt-chart-header { flex-direction: column; align-items: flex-start; }
    .bt-chart-header-left { flex-direction: column; gap: 8px; }
    .bt-overlays { border-left: none; padding-left: 0; }
    .bt-tbl thead th.notes-col, .bt-tbl tbody td.td-notes { display: none; }
    .bt-ai-grid { grid-template-columns: 1fr; }
}