/* ── Upload Zone ── */
.frv2-upload-zone {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 200px; border: 2px dashed var(--border, #3a3a4e); border-radius: 16px;
    background: var(--bg-input, #16161e); cursor: pointer; transition: all 0.3s;
    padding: 28px; text-align: center; gap: 10px;
}
.frv2-upload-zone:hover, .frv2-upload-zone.drag-over {
    border-color: #8b5cf6; background: rgba(139, 92, 246, 0.06);
}
.frv2-upload-icon { font-size: 2.8rem; opacity: 0.7; }
.frv2-upload-text { font-size: 0.95rem; color: var(--text-secondary, #a0a0b8); font-weight: 500; }
.frv2-upload-hint { font-size: 0.78rem; color: var(--text-tertiary, #666); }

/* ── Preview ── */
.frv2-preview-area { display: none; text-align: center; }
.frv2-canvas-container { position: relative; display: inline-block; max-width: 100%; }
.frv2-canvas-container img, .frv2-canvas-container canvas {
    max-width: 100%; border-radius: 12px;
}
.frv2-canvas-container canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: none; }

.frv2-actions { display: flex; gap: 10px; justify-content: center; margin-top: 16px; flex-wrap: wrap; }
.frv2-analyze-btn {
    padding: 12px 32px; border-radius: 12px; border: none;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    color: #fff; font-size: 1rem; font-weight: 700; cursor: pointer;
    transition: all 0.3s; font-family: inherit;
}
.frv2-analyze-btn:hover:not(:disabled) { transform: scale(1.03); }
.frv2-analyze-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.frv2-reset-btn {
    padding: 12px 20px; border-radius: 12px; border: 1px solid var(--border, #3a3a4e);
    background: transparent; color: var(--text-secondary, #a0a0b8);
    font-size: 0.9rem; cursor: pointer; transition: all 0.3s; font-family: inherit;
}
.frv2-reset-btn:hover { border-color: #8b5cf6; color: #8b5cf6; }
.frv2-status { text-align: center; margin-top: 12px; font-size: 0.85rem; color: var(--text-tertiary, #888); }

/* ── Result Area ── */
.frv2-result-area { display: none; margin-top: 24px; }

/* ── Score ── */
.frv2-overall {
    display: flex; align-items: center; justify-content: center; gap: 24px;
    margin-bottom: 24px; flex-wrap: wrap; text-align: center;
}
.frv2-score-circle {
    width: 100px; height: 100px; border-radius: 50%;
    background: conic-gradient(var(--score-color, #4ECDC4) calc(var(--p, 0) * 1%), transparent 0);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    border: 4px solid var(--score-color, #4ECDC4); position: relative;
}
.frv2-score-circle::before {
    content: ''; position: absolute; inset: 6px; border-radius: 50%;
    background: var(--bg-card, #1e1e2e);
}
.frv2-score-number { font-size: 1.8rem; font-weight: 800; color: var(--score-color, #4ECDC4); position: relative; z-index: 1; }
.frv2-score-label { font-size: 0.7rem; color: var(--text-tertiary, #888); position: relative; z-index: 1; }
.frv2-overall-meta { display: flex; flex-direction: column; gap: 6px; }
.frv2-meta-item { display: flex; gap: 8px; font-size: 0.85rem; }
.frv2-meta-label { color: var(--text-tertiary, #888); }
.frv2-meta-value { color: var(--text-primary, #e0e0f0); font-weight: 600; }

/* ── Tabs ── */
.frv2-tabs {
    display: flex; gap: 4px; justify-content: center; margin-bottom: 20px; flex-wrap: wrap;
    border-bottom: 1px solid var(--border, #3a3a4e); padding-bottom: 8px;
}
.frv2-tab-btn {
    padding: 8px 14px; border-radius: 8px 8px 0 0; border: none;
    background: transparent; color: var(--text-secondary, #a0a0b8);
    font-size: 0.82rem; cursor: pointer; transition: all 0.3s; font-family: inherit;
}
.frv2-tab-btn.active, .frv2-tab-btn:hover {
    color: #8b5cf6; border-bottom: 2px solid #8b5cf6; background: rgba(139,92,246,.05);
}

/* ── Cards ── */
.frv2-palace-card {
    background: var(--bg-card, #1e1e2e); border-radius: 12px;
    padding: 14px 18px; margin-bottom: 10px;
    border: 1px solid var(--border-light, #2a2a3e);
}
.frv2-palace-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.frv2-palace-header small { color: var(--text-tertiary, #888); font-size: 0.75rem; }

.frv2-bar {
    height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px;
    margin-bottom: 8px; overflow: hidden;
}
.frv2-bar i {
    display: block; height: 100%; border-radius: 3px;
    background: linear-gradient(90deg, #8b5cf6, #f59e0b);
    transition: width 1.5s ease-out;
}

/* ── Grids ── */
.frv2-palaces-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.frv2-nguquan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.frv2-ngunhac-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }

/* ── Tam Dinh ── */
.frv2-td-bar { display: flex; height: 32px; border-radius: 8px; overflow: hidden; margin: 8px 0; }
.frv2-td-seg { display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 700; color: #000; }
.frv2-td-verdict { font-size: 0.85rem; color: var(--text-secondary, #a0a0b8); margin-top: 4px; }

/* ── Section ── */
.frv2-section { margin-bottom: 16px; }
.frv2-section h4 { margin: 0 0 8px; font-size: 0.95rem; color: #8b5cf6; }

/* ── Line Row ── */
.frv2-line-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 0.85rem; }

/* ── Details ── */
.frv2-detail-card {
    background: var(--bg-card, #1e1e2e); border-radius: 12px;
    padding: 14px 18px; margin-bottom: 10px;
    border: 1px solid var(--border-light, #2a2a3e);
}
.frv2-detail-card h4 { margin: 0 0 6px; font-size: 0.92rem; color: #8b5cf6; }
.frv2-detail-stat { font-size: 0.72rem; color: var(--text-tertiary, #666); margin-right: 12px; }

/* ── Golden Ratios ── */
.frv2-golden-item {
    padding: 6px 10px; margin-bottom: 4px; border-radius: 6px;
    border-left: 3px solid #f59e0b; font-size: 0.82rem;
}
.frv2-golden-item.good { border-left-color: #4ECDC4; }
.frv2-golden-item.off { border-left-color: #FF6B6B; opacity: 0.8; }
.frv2-golden-item p { font-size: 0.78rem; color: var(--text-secondary, #a0a0b8); margin: 2px 0 0; }

/* ── Verdict ── */
.frv2-verdict { font-size: 0.85rem; color: var(--text-secondary, #a0a0b8); line-height: 1.6; margin-top: 8px; }

/* ── Actions ── */
.frv2-actions { display: flex; gap: 10px; justify-content: center; margin: 20px 0; flex-wrap: wrap; }
.frv2-action-btn {
    padding: 10px 22px; border-radius: 10px; border: 1px solid var(--border, #3a3a4e);
    background: var(--bg-card, #1e1e2e); color: var(--text-primary, #e0e0f0);
    font-size: 0.9rem; cursor: pointer; transition: all 0.3s;
    text-decoration: none; font-family: inherit;
}
.frv2-action-btn:hover { border-color: #8b5cf6; color: #8b5cf6; }
.frv2-action-btn.primary {
    border-color: #8b5cf6; background: linear-gradient(135deg, rgba(139,92,246,.12), rgba(109,40,217,.12));
    color: #8b5cf6;
}

/* ── Share ── */
.frv2-share { text-align: center; margin-top: 12px; }
.frv2-share-quote { font-size: 0.85rem; color: var(--text-tertiary, #888); font-style: italic; }

/* ── Compare table ── */
.frv2-compare-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-bottom: 20px; }
.frv2-compare-table th { padding: 10px; text-align: left; background: var(--bg-card, #1e1e2e); }
.frv2-compare-table td { padding: 10px; text-align: center; }
.frv2-compare-table tr:nth-child(even) { background: rgba(255,255,255,0.02); }
.frv2-v2-col { color: #8b5cf6; }

@media (max-width: 600px) {
    .frv2-palaces-grid, .frv2-nguquan-grid, .frv2-ngunhac-grid { grid-template-columns: 1fr; }
    .frv2-overall { flex-direction: column; }
    .frv2-tabs { gap: 2px; }
    .frv2-tab-btn { padding: 6px 8px; font-size: 0.72rem; }
}