/* Velocity of Money Underwriting Tool v2.0 — Dark Theme */

:root {
    --bg-body: #0a0a0a;
    --bg-surface: #141414;
    --bg-surface-light: #1c1c1c;
    --border: #2a2a2a;
    --border-light: #333;
    --text-primary: #f5f5f5;
    --text-secondary: #a1a1a1;
    --text-muted: #666;
    --green-success: #10b981;
    --blue-accent: #3b82f6;
    --yellow-warning: #f59e0b;
    --red-danger: #ef4444;
    --emerald-glow: rgba(16, 185, 129, 0.08);
    --red-glow: rgba(239, 68, 68, 0.08);
    --amber-glow: rgba(245, 158, 11, 0.08);
}

* { box-sizing: border-box; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-body);
}

/* ──────────────────────────────────────────────
   Input fields — dark
   ────────────────────────────────────────────── */
.field-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.field-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-surface-light);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.field-input:focus {
    outline: none;
    border-color: var(--border-light);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.04);
}

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

/* Select dropdown dark styling */
.field-input option {
    background: var(--bg-surface-light);
    color: var(--text-primary);
}

.field-prefix {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
    pointer-events: none;
}

.field-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* Remove number spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] { -moz-appearance: textfield; }

/* ──────────────────────────────────────────────
   Input Mode Toggle ($ Amount / % Ratio)
   ────────────────────────────────────────────── */
.input-mode-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.mode-btn {
    flex: 1;
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-surface);
    border: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.mode-btn:hover {
    background: var(--bg-surface-light);
    transform: none;
    box-shadow: none;
}

.mode-btn-active {
    background: var(--bg-surface-light);
    color: var(--text-primary);
}

/* ──────────────────────────────────────────────
   Range Slider
   ────────────────────────────────────────────── */
.slider-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.field-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border);
    outline: none;
}

.field-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.field-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.slider-value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 3rem;
    text-align: right;
}

/* ──────────────────────────────────────────────
   Toggle Switch
   ────────────────────────────────────────────── */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-track {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 10px;
    transition: background 0.2s;
}

.toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: transform 0.2s, background 0.2s;
}

.toggle-switch input:checked + .toggle-track {
    background: var(--green-success);
}

.toggle-switch input:checked + .toggle-track::after {
    transform: translateX(16px);
    background: #fff;
}

/* ──────────────────────────────────────────────
   Collapsible Panels
   ────────────────────────────────────────────── */
.panel-toggle {
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
}

.panel-chevron {
    transition: transform 0.2s ease;
}

.panel-toggle[aria-expanded="false"] .panel-chevron {
    transform: rotate(-90deg);
}

.panel-body.hidden {
    display: none;
}

/* ──────────────────────────────────────────────
   Button
   ────────────────────────────────────────────── */
button {
    transition: all 0.2s ease;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

button:active {
    transform: translateY(0);
}

.panel-toggle:hover,
.panel-toggle:active {
    transform: none;
    box-shadow: none;
}

/* ──────────────────────────────────────────────
   Score Gauge
   ────────────────────────────────────────────── */
#scoreArc {
    transition: stroke-dasharray 1s ease-out, stroke 0.6s ease;
}

.score-excellent { color: var(--green-success); }
.score-good { color: var(--blue-accent); }
.score-warning { color: var(--yellow-warning); }
.score-poor { color: var(--red-danger); }

/* ──────────────────────────────────────────────
   Category Score Bars
   ────────────────────────────────────────────── */
.score-bar-track {
    height: 0.5rem;
    background: var(--border);
    border-radius: 9999px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 9999px;
    transition: width 0.8s ease-out;
}

/* ──────────────────────────────────────────────
   Section Titles
   ────────────────────────────────────────────── */
.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

/* ──────────────────────────────────────────────
   Price Ladder (Buy Box) — dark
   ────────────────────────────────────────────── */
.price-ladder {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 1rem;
}

.price-rung {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    border-left: 3px solid var(--border);
    position: relative;
    flex-wrap: wrap;
}

.price-rung::before {
    content: '';
    position: absolute;
    left: -7px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-light);
    border: 2px solid var(--bg-surface);
}

.price-rung.rung-stretch {
    border-left-color: var(--text-muted);
    opacity: 0.5;
}
.price-rung.rung-stretch::before { background: var(--text-muted); }

.price-rung.rung-max {
    border-left-color: var(--yellow-warning);
}
.price-rung.rung-max::before { background: var(--yellow-warning); }

.price-rung.rung-ideal {
    border-left-color: var(--green-success);
    border-left-width: 4px;
    background: var(--emerald-glow);
    border-radius: 0 0.5rem 0.5rem 0;
}
.price-rung.rung-ideal::before {
    background: var(--green-success);
    width: 14px;
    height: 14px;
    left: -8px;
}

.price-rung.rung-listed {
    border-left-color: var(--blue-accent);
}
.price-rung.rung-listed::before { background: var(--blue-accent); }

.price-rung-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    min-width: 5.5rem;
}

.price-rung-value {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.price-rung-moic {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
}

.price-rung-refi {
    font-size: 0.6875rem;
    color: var(--text-muted);
    width: 100%;
    padding-left: 6.5rem;
    opacity: 0.7;
    font-style: italic;
}

/* ──────────────────────────────────────────────
   Scenario Cards — dark
   ────────────────────────────────────────────── */
.scenario-card {
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem;
    background: var(--bg-surface-light);
}

.scenario-card-optimized {
    border-color: rgba(16, 185, 129, 0.3);
    background: var(--emerald-glow);
}

.scenario-card-stressed {
    border-color: rgba(239, 68, 68, 0.3);
    background: var(--red-glow);
}

.scenario-row {
    display: flex;
    justify-content: space-between;
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.8125rem;
}

.scenario-row:last-child { border-bottom: none; }
.scenario-row span:first-child { color: var(--text-secondary); }
.scenario-row span:last-child { font-weight: 600; color: var(--text-primary); }

/* ──────────────────────────────────────────────
   Return Attribution Bar
   ────────────────────────────────────────────── */
.attr-bar-track {
    height: 0.5rem;
    border-radius: 9999px;
    background: var(--border);
    overflow: hidden;
}

.attr-bar-fill {
    height: 100%;
    border-radius: 9999px;
    transition: width 0.8s ease-out;
    min-width: 2px;
}

/* ──────────────────────────────────────────────
   Lever Cards — dark
   ────────────────────────────────────────────── */
.lever-card {
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    background: var(--bg-surface-light);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.lever-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.lever-card-name {
    font-weight: 800;
    font-size: 1.0625rem;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.lever-card-insight {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.625rem;
}

.lever-card-impact {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    padding: 0.3rem 0.625rem;
    border-radius: 9999px;
    background: rgba(16, 185, 129, 0.18);
    color: #34d399;
}

.lever-card-direction {
    font-size: 0.8125rem;
    color: var(--blue-accent);
    margin-top: 0.5rem;
}

/* ──────────────────────────────────────────────
   Warning Banners (Deal Flags)
   ────────────────────────────────────────────── */
.warning-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.warning-banner strong {
    font-weight: 700;
    font-size: 0.9375rem;
}

.warning-icon {
    flex-shrink: 0;
    font-size: 1.375rem;
    line-height: 1.3;
}

.warning-red {
    background: rgba(239, 68, 68, 0.10);
    border: 2px solid rgba(239, 68, 68, 0.4);
}

.warning-amber {
    background: rgba(245, 158, 11, 0.10);
    border: 2px solid rgba(245, 158, 11, 0.4);
}

/* ──────────────────────────────────────────────
   DSCR / LTV Inline Display
   ────────────────────────────────────────────── */
.dscr-display {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.dscr-display.dscr-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.dscr-display.ltv-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

/* ──────────────────────────────────────────────
   Tooltips
   ────────────────────────────────────────────── */
.info-tip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    font-size: 0.5625rem;
    font-weight: 700;
    cursor: help;
    position: relative;
    vertical-align: middle;
    margin-left: 0.25rem;
    flex-shrink: 0;
}

.info-tip::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: #1c1c1c;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.6875rem;
    font-weight: 400;
    line-height: 1.4;
    padding: 0.4rem 0.6rem;
    border-radius: 0.375rem;
    white-space: normal;
    width: max-content;
    max-width: 220px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.info-tip:hover::after {
    opacity: 1;
}

/* ──────────────────────────────────────────────
   Sensitivity Table
   ────────────────────────────────────────────── */
#sensitivityTable th,
#sensitivityTable td {
    padding: 0.375rem 0.5rem;
    text-align: center;
    font-size: 0.8125rem;
    border: 1px solid var(--border);
}

#sensitivityTable th {
    color: var(--text-secondary);
    background: var(--bg-surface);
    font-weight: 600;
}

#sensitivityTable td.sens-good {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    font-weight: 600;
}

#sensitivityTable td.sens-ok {
    background: rgba(245, 158, 11, 0.10);
    color: #fbbf24;
}

#sensitivityTable td.sens-bad {
    background: rgba(239, 68, 68, 0.10);
    color: #f87171;
}

#sensitivityTable td.sens-current {
    outline: 2px solid var(--blue-accent);
    outline-offset: -2px;
}

/* Cash flow table styling */
#cashFlowTable th {
    font-weight: 600;
}

/* ──────────────────────────────────────────────
   Empty State
   ────────────────────────────────────────────── */
.result-section.is-empty {
    opacity: 0.35;
    filter: saturate(0);
    pointer-events: none;
    transition: opacity 0.4s ease, filter 0.4s ease;
}

.result-section:not(.is-empty) {
    opacity: 1;
    filter: saturate(1);
}

/* ──────────────────────────────────────────────
   Result Section Animation
   ────────────────────────────────────────────── */
.result-section:not(.is-empty) {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ──────────────────────────────────────────────
   Loading State
   ────────────────────────────────────────────── */
.calculating {
    opacity: 0.7;
    pointer-events: none;
}

/* ──────────────────────────────────────────────
   Gating — blur locked sections
   ────────────────────────────────────────────── */
#resultsArea.is-gated .gated-section {
    filter: blur(8px);
    pointer-events: none;
    user-select: none;
    opacity: 0.6;
    transition: filter 0.4s ease, opacity 0.4s ease;
}

/* Gate Overlay CTA */
.gate-overlay {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 2.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gate-overlay.hidden {
    display: none;
}

/* ──────────────────────────────────────────────
   Modal Backdrop & Content
   ────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-backdrop.hidden {
    display: none;
}

.modal-content {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    margin: 1rem;
}

.modal-content-wide {
    max-width: 560px;
}

.modal-close {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
}

.modal-close:hover {
    color: var(--text-primary);
    transform: none;
    box-shadow: none;
}

/* ──────────────────────────────────────────────
   Pricing Cards
   ────────────────────────────────────────────── */
.pricing-card {
    position: relative;
    background: var(--bg-surface-light);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.pricing-card-featured {
    border-color: var(--blue-accent);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.pricing-badge {
    position: absolute;
    top: -0.625rem;
    right: 1rem;
    background: var(--blue-accent);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.15rem 0.6rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* ──────────────────────────────────────────────
   Responsive
   ────────────────────────────────────────────── */
@media (max-width: 1023px) {
    #inputSidebar {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .price-rung {
        flex-wrap: wrap;
    }
    .price-rung-moic {
        width: 100%;
        margin-left: 0;
        margin-top: 0.25rem;
    }
    .price-rung-refi {
        padding-left: 0;
    }
}