/* ============================================================
   Compatibility Page — Family Harmony Tree (D3)
   ============================================================
   Standalone stylesheet. Load via:
     <link rel="stylesheet" href="/static/css/compatibility.css">
   ============================================================ */

/* --- App Layout (full-width) --- */
.compat-app {
    max-width: 100%;
    padding: 0 var(--space-lg) var(--space-xl);
}

.compat-layout {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

/* --- Form Panel (left side) --- */
.compat-form-panel {
    flex: 0 0 360px;
    max-width: 360px;
}

.compat-form-panel form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.compat-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.compat-field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.compat-optional {
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.6;
}

.compat-field input[type="text"],
.compat-field input[type="number"],
.compat-field select {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: border-color var(--duration) var(--ease);
    width: 100%;
}

.compat-field input:focus,
.compat-field select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.15);
}

.compat-field input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.compat-row {
    display: flex;
    gap: var(--space-sm);
}

.compat-field--half {
    flex: 1;
}

.compat-form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}


/* --- Dynamic Member Cards --- */
.compat-member-card {
    position: relative;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    animation: compatFadeIn 0.25s ease;
}

@keyframes compatFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.compat-member-remove {
    align-self: flex-end;
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    background: transparent;
    color: #c0392b;
    border: 1px solid rgba(192, 57, 43, 0.3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.compat-member-remove:hover {
    background: rgba(192, 57, 43, 0.15);
    border-color: #c0392b;
}


/* --- Tree Panel (right side) --- */
.compat-tree-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Harmony Score Box */
#harmonyScore {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.6;
}

#harmonyScore strong {
    color: var(--color-accent);
    font-size: 1.1rem;
}

#harmonyScore em {
    color: var(--color-text-heading);
}

#harmonyScore:empty {
    display: none;
}

.compat-score-summary {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}


/* --- Breakdown Drawer (slide-in from right) --- */
.compat-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    z-index: 9998;
    visibility: hidden;
    transition: background 0.3s ease, visibility 0.3s ease;
}

.compat-drawer-overlay.open {
    background: rgba(0, 0, 0, 0.5);
    visibility: visible;
}

.compat-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 520px;
    max-width: 90vw;
    height: 100%;
    background: var(--color-bg-surface);
    border-left: 1px solid var(--color-border);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.compat-drawer-overlay.open .compat-drawer-panel {
    transform: translateX(0);
}

.compat-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: var(--space-md);
}

.compat-drawer-title-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
}

.compat-drawer-header h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-text-heading);
}

.compat-drawer-overall {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.compat-drawer-score {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
}

.compat-drawer-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.compat-drawer-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.compat-drawer-view-chart {
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
}

.compat-drawer-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-muted);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
}

.compat-drawer-close:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.05);
}

.compat-drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Breakdown cards (used inside the drawer) */

.compat-breakdown-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: border-color var(--duration) var(--ease);
}

.compat-breakdown-card:hover {
    border-color: var(--color-border-hover);
}

.compat-bd-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-sm);
}

.compat-bd-names {
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--color-text);
}

.compat-bd-names strong {
    font-weight: 700;
    color: var(--color-text-heading);
}

.compat-bd-x {
    color: var(--color-accent);
    margin: 0 0.2rem;
}

.compat-bd-signs {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    flex: 1;
}

.compat-bd-score {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    min-width: 40px;
    text-align: right;
}

.compat-bd-components {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: var(--space-sm);
}

.compat-bd-comp {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.compat-bd-good {
    background: rgba(74, 124, 89, 0.15);
    color: #6dbf85;
    border-color: rgba(74, 124, 89, 0.3);
}

.compat-bd-bad {
    background: rgba(192, 57, 43, 0.12);
    color: #e07b6f;
    border-color: rgba(192, 57, 43, 0.3);
}

.compat-bd-tags {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.compat-bd-tag {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--color-text-muted);
    padding-left: 0.75rem;
    border-left: 2px solid var(--color-border);
}

.compat-bd-tag--good {
    border-left-color: #4a7c59;
    color: #6dbf85;
}

.compat-bd-tag--bad {
    border-left-color: #c0392b;
    color: #e07b6f;
}

/* Weight importance badges */
.compat-bd-weight {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.15rem 0.5rem;
    border-radius: 100px;
    flex-shrink: 0;
}

.compat-bd-weight--core {
    background: rgba(201, 168, 76, 0.2);
    color: var(--color-accent);
    border: 1px solid rgba(201, 168, 76, 0.4);
}

.compat-bd-weight--close {
    background: rgba(74, 124, 89, 0.15);
    color: #6dbf85;
    border: 1px solid rgba(74, 124, 89, 0.3);
}

.compat-bd-weight--family {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.compat-bd-weight--extended {
    background: transparent;
    color: var(--color-text-muted);
    opacity: 0.6;
    border: 1px solid var(--color-border);
}


/* --- Action Bar (Print + Social) --- */
.compat-action-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin: var(--space-md) 0;
}

.compat-action-btn {
    font-size: 0.85rem;
    padding: 0.45rem 1rem;
}

.compat-action-divider {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-left: var(--space-sm);
}

.compat-social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    color: var(--color-text);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    line-height: 1;
}

.compat-social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.compat-social-twitter:hover {
    background: #1da1f2;
    border-color: #1da1f2;
    color: #fff;
}

.compat-social-facebook:hover {
    background: #4267b2;
    border-color: #4267b2;
    color: #fff;
    font-weight: 700;
}

.compat-social-whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
    color: #fff;
}

.compat-social-copy:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

.compat-social-copy.copied {
    background: #27ae60;
    border-color: #27ae60;
    color: #fff;
}


/* --- Chart Container --- */
#chart {
    position: relative;
    width: 100%;
    height: 700px;
    min-height: 700px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-surface);
    overflow: hidden;
    transition: opacity 0.4s ease;
}

#chart svg {
    cursor: grab;
}

#chart svg:active {
    cursor: grabbing;
}

/* Placeholder cover image */
.compat-placeholder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    border-radius: var(--radius-md);
}


/* --- Tooltip --- */
.compat-tooltip {
    position: absolute;
    display: none;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-hover);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    font-size: 0.85rem;
    color: var(--color-text);
    pointer-events: none;
    z-index: 9999;
    max-width: 280px;
    backdrop-filter: blur(8px);
}

.compat-tooltip b {
    color: var(--color-accent);
}


/* --- Reset Zoom Button --- */
.compat-reset-zoom {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.35rem 0.75rem;
    background: rgba(21, 21, 40, 0.85);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--duration) var(--ease);
    backdrop-filter: blur(8px);
}

.compat-reset-zoom:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Chart action buttons (See Score, Fullscreen) */
.compat-chart-btn {
    position: absolute;
    padding: 0.35rem 0.75rem;
    background: rgba(21, 21, 40, 0.85);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--duration) var(--ease);
    backdrop-filter: blur(8px);
}

.compat-chart-btn:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.compat-see-score {
    top: 10px;
    right: 120px;
}

.compat-fullscreen {
    top: 10px;
    right: 200px;
}

/* Fullscreen chart mode */
#chart.compat-chart-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9998;
    border-radius: 0;
    border: none;
    background: var(--color-bg);
}

#chart.compat-chart-fullscreen .compat-reset-zoom {
    top: 20px;
    right: 20px;
}

#chart.compat-chart-fullscreen .compat-see-score {
    top: 20px;
    right: 130px;
}

#chart.compat-chart-fullscreen .compat-fullscreen {
    top: 20px;
    right: 220px;
}


/* --- Chart Toggles --- */
.compat-toggles {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

.compat-toggle-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.compat-toggle-label input[type="checkbox"] {
    accent-color: var(--color-accent);
}


/* --- Zoom Hint --- */
.compat-zoom-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.6;
    margin-bottom: var(--space-xs);
}


/* --- Spinner Overlay --- */
.compat-spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 13, 26, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.compat-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: compatSpin 0.8s linear infinite;
}

@keyframes compatSpin {
    to { transform: rotate(360deg); }
}


/* --- Print Mode --- */
@media print {
    body.print-mode .compat-form-panel,
    body.print-mode .compat-action-bar,
    body.print-mode .compat-toggles,
    body.print-mode .compat-zoom-hint,
    body.print-mode .compat-reset-zoom,
    body.print-mode .compat-chart-btn,
    body.print-mode .compat-tooltip,
    body.print-mode .compat-drawer-overlay,
    body.print-mode .site-header,
    body.print-mode .site-footer,
    body.print-mode .zodiac-grid-section,
    body.print-mode #chartTogglesWrap,
    body.print-mode #zoomInstructionWrap,
    body.print-mode #harmonyActions {
        display: none !important;
    }

    body.print-mode {
        background: #fff !important;
        color: #333 !important;
    }

    body.print-mode .compat-hero h1 {
        color: #333 !important;
        font-size: 1.8rem;
    }

    body.print-mode .compat-hero p {
        display: none;
    }

    body.print-mode .compat-layout {
        display: block;
    }

    body.print-mode .compat-tree-panel {
        max-width: 100%;
    }

    body.print-mode #harmonyScore {
        border: 2px solid #c9a84c;
        background: #fffbe6 !important;
        padding: var(--space-md);
        margin-bottom: var(--space-md);
        font-size: 1rem;
        color: #333 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    body.print-mode #harmonyScore strong {
        color: #8b6914 !important;
    }

    body.print-mode #harmonyScore em {
        color: #333 !important;
    }

    body.print-mode #chart {
        border: 1px solid #ccc;
        height: auto;
        min-height: auto;
        background: #fff !important;
        page-break-inside: avoid;
    }

    body.print-mode #chart svg {
        width: 100% !important;
        height: auto !important;
    }

    /* Fix white text on white paper */
    body.print-mode #chart svg text {
        fill: #333 !important;
    }

    body.print-mode #chart svg .chart-header-title {
        fill: #5c2c06 !important;
    }

    body.print-mode #chart svg .chart-header-score {
        fill: #8b6914 !important;
    }

    body.print-mode #chart svg .chart-header-description {
        fill: #666 !important;
    }

    body.print-mode #chart svg line {
        stroke: #ccc !important;
    }

    @page {
        size: landscape;
        margin: 0.5in;
    }
}


/* --- Responsive --- */
@media (max-width: 900px) {
    .compat-layout {
        flex-direction: column;
    }

    .compat-form-panel {
        flex: none;
        max-width: 100%;
        width: 100%;
    }

    #chart {
        height: 500px;
        min-height: 400px;
    }
}

@media (max-width: 480px) {
    .compat-app {
        padding: 0 var(--space-md) var(--space-lg);
    }

    .compat-row {
        flex-direction: column;
    }

    #chart {
        height: 400px;
        min-height: 350px;
    }

    .compat-toggles {
        gap: var(--space-sm);
    }

    .compat-social-btn {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .compat-drawer-panel {
        width: 100vw;
        max-width: 100vw;
    }
}