/* ═══════════════════════════════════════════════════════════════════════════
 * PRESENT VALUE CALCULATOR — present-value-calc.css
 * Namespace: pvc-* to avoid conflicts with other site styles
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ── Root overrides (scoped to this page) ── */
.pvc-page {
    --pvc-accent:        #0ea5e9;
    --pvc-accent-dark:   #0369a1;
    --pvc-accent-light:  #e0f2fe;
    --pvc-accent-hover:  #bae6fd;
    --pvc-interest:      #fbbf24;
    --pvc-teal:          #14b8a6;
    --pvc-green:         #22c55e;
    --pvc-warning-text:  #b45309;
    --pvc-warning-bg:    #fffbeb;
    --pvc-warning-brd:   #fde68a;
    --pvc-bg:            #ffffff;
    --pvc-bg-soft:       #f8fafc;
    --pvc-bg-muted:      #f1f5f9;
    --pvc-text-primary:  #0f172a;
    --pvc-text-secondary:#475569;
    --pvc-text-muted:    #94a3b8;
    --pvc-border:        #e2e8f0;
    --pvc-border-soft:   #f1f5f9;
    --pvc-shadow-focus:  0 0 0 4px rgba(14, 165, 233, 0.15);
    --pvc-radius:        12px;
    --pvc-radius-sm:     8px;
    --pvc-transition:    0.18s ease;
}

/* ═══════════════════════════════════════
   CALCULATOR WIDGET CARD
═══════════════════════════════════════ */
.pvc-page .calc-widget-card {
    background: var(--pvc-bg);
    border: 1px solid var(--pvc-border);
    border-radius: var(--pvc-radius);
    padding: 0;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(15,23,42,0.06), 0 4px 16px rgba(15,23,42,0.04);
}

/* ── Widget heading ── */
.pvc-widget-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--pvc-text-primary);
    margin: 0;
    padding: 1.25rem 1.5rem 1rem;
    border-bottom: 1px solid var(--pvc-border-soft);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--pvc-bg-soft);
}

.pvc-widget-heading svg {
    color: var(--pvc-accent);
    flex-shrink: 0;
}

/* ── Tab navigation ── */
.pvc-tabs {
    display: flex;
    border-bottom: 1px solid var(--pvc-border);
    background: var(--pvc-bg-soft);
    padding: 0 1.5rem;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.pvc-tabs::-webkit-scrollbar { display: none; }

.pvc-tab-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    border-bottom: 2.5px solid transparent;
    padding: 0.65rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pvc-text-muted);
    cursor: pointer;
    transition: color var(--pvc-transition), border-color var(--pvc-transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
    margin-bottom: -1px;
}

.pvc-tab-btn:hover {
    color: var(--pvc-accent-dark);
}

.pvc-tab-btn.pvc-tab-active {
    color: var(--pvc-accent);
    border-bottom-color: var(--pvc-accent);
}

/* ── Tab panels ── */
.pvc-tab-panels {
    padding: 1.25rem 1.5rem 1.5rem;
}

.pvc-panel { display: none; }
.pvc-panel.pvc-panel-active { display: block; }

/* ── Input grid ── */
.pvc-inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}

@media (max-width: 560px) {
    .pvc-inputs-grid { grid-template-columns: 1fr; }
}

.pvc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.pvc-input-group.pvc-full-width {
    grid-column: 1 / -1;
}

.pvc-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--pvc-text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
}

.pvc-hint {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--pvc-text-muted);
}

.pvc-input-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    background: var(--pvc-bg);
    transition: border-color var(--pvc-transition), box-shadow var(--pvc-transition);
    overflow: hidden;
}

.pvc-input-wrap:focus-within {
    border-color: var(--pvc-accent);
    box-shadow: var(--pvc-shadow-focus);
}

.pvc-prefix,
.pvc-suffix {
    padding: 0 0.6rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--pvc-text-muted);
    background: var(--pvc-bg-soft);
    border-right: 1px solid var(--pvc-border);
    align-self: stretch;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    user-select: none;
}

.pvc-suffix {
    border-right: none;
    border-left: 1px solid var(--pvc-border);
}

.pvc-calc-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 0.5rem 0.65rem;
    font-size: 0.88rem;
    color: var(--pvc-text-primary);
    font-weight: 500;
    min-width: 0;
    width: 100%;
}

.pvc-calc-input::placeholder {
    color: var(--pvc-text-muted);
    font-weight: 400;
}

/* Remove spinner arrows from number inputs */
.pvc-calc-input::-webkit-outer-spin-button,
.pvc-calc-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.pvc-calc-input[type=number] { -moz-appearance: textfield; }

.pvc-input-desc {
    font-size: 0.7rem;
    color: var(--pvc-text-muted);
    line-height: 1.3;
}

/* ── Select dropdown ── */
.pvc-select-wrap {
    border: 1.5px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    background: var(--pvc-bg);
    transition: border-color var(--pvc-transition), box-shadow var(--pvc-transition);
    overflow: hidden;
}

.pvc-select-wrap:focus-within {
    border-color: var(--pvc-accent);
    box-shadow: var(--pvc-shadow-focus);
}

.pvc-calc-select {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    padding: 0.5rem 0.65rem;
    font-size: 0.88rem;
    color: var(--pvc-text-primary);
    font-weight: 500;
    cursor: pointer;
    appearance: auto;
}

/* ── Checkbox toggle ── */
.pvc-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    padding: 0.7rem;
    background: var(--pvc-bg-soft);
    border: 1px solid var(--pvc-border-soft);
    border-radius: var(--pvc-radius-sm);
    cursor: pointer;
    user-select: none;
    transition: background var(--pvc-transition);
}

.pvc-checkbox-row:hover {
    background: var(--pvc-accent-light);
}

.pvc-checkbox-row input[type="checkbox"] {
    margin: 0;
    width: 15px;
    height: 15px;
    accent-color: var(--pvc-accent);
    flex-shrink: 0;
    margin-top: 1px;
}

.pvc-checkbox-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--pvc-text-secondary);
    line-height: 1.3;
}

.pvc-checkbox-desc {
    font-size: 0.7rem;
    color: var(--pvc-text-muted);
    display: block;
    font-weight: 400;
}

/* ── Buttons row ── */
.pvc-btn-row {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.pvc-btn-primary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.65rem 1.25rem;
    background: var(--pvc-accent);
    color: #fff;
    border: none;
    border-radius: var(--pvc-radius-sm);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--pvc-transition), transform var(--pvc-transition), box-shadow var(--pvc-transition);
    white-space: nowrap;
}

.pvc-btn-primary:hover {
    background: var(--pvc-accent-dark);
    box-shadow: 0 4px 12px rgba(14,165,233,0.3);
    transform: translateY(-1px);
}

.pvc-btn-primary:active { transform: translateY(0); }

.pvc-btn-clear {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1rem;
    background: var(--pvc-bg);
    color: var(--pvc-text-secondary);
    border: 1.5px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--pvc-transition);
    white-space: nowrap;
}

.pvc-btn-clear:hover {
    border-color: var(--pvc-text-muted);
    color: var(--pvc-text-primary);
    background: var(--pvc-bg-soft);
}

/* ═══════════════════════════════════════
   RESULTS SECTION
═══════════════════════════════════════ */
.pvc-results {
    margin-top: 1.25rem;
    animation: pvc-fade-in 0.32s ease;
}

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

/* Primary result banner */
.pvc-primary-result {
    background: linear-gradient(135deg, var(--pvc-accent) 0%, var(--pvc-accent-dark) 100%);
    border-radius: var(--pvc-radius-sm);
    padding: 1rem 1.25rem;
    text-align: center;
    margin-bottom: 0.9rem;
    position: relative;
    overflow: hidden;
}

.pvc-primary-result::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    pointer-events: none;
}

.pvc-primary-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

.pvc-primary-value {
    font-size: 1.9rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.pvc-primary-sub {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.7);
    margin-top: 0.2rem;
}

/* Stats grid */
.pvc-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin-bottom: 0.9rem;
}

@media (max-width: 480px) {
    .pvc-stats-grid { grid-template-columns: 1fr 1fr; }
}

.pvc-stat-card {
    background: var(--pvc-bg-soft);
    border: 1px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    padding: 0.65rem 0.75rem;
    text-align: center;
}

.pvc-stat-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--pvc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 0.2rem;
    line-height: 1.2;
}

.pvc-stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--pvc-text-primary);
    line-height: 1.1;
}

.pvc-stat-value.pvc-green { color: var(--pvc-green); }
.pvc-stat-value.pvc-teal  { color: var(--pvc-teal); }
.pvc-stat-value.pvc-amber { color: var(--pvc-interest); }

/* Breakdown bar */
.pvc-breakdown {
    background: var(--pvc-bg-soft);
    border: 1px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    padding: 0.85rem 1rem;
    margin-bottom: 0.9rem;
}

.pvc-breakdown-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--pvc-text-secondary);
    margin-bottom: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.pvc-bar-track {
    height: 10px;
    border-radius: 99px;
    background: var(--pvc-bg-muted);
    overflow: hidden;
    margin-bottom: 0.55rem;
    display: flex;
}

.pvc-bar-pv {
    height: 100%;
    background: var(--pvc-accent);
    border-radius: 99px 0 0 99px;
    transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}

.pvc-bar-growth {
    height: 100%;
    background: var(--pvc-teal);
    transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}

.pvc-bar-inflation {
    height: 100%;
    background: var(--pvc-interest);
    border-radius: 0 99px 99px 0;
    transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}

.pvc-bar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.pvc-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    color: var(--pvc-text-secondary);
    font-weight: 500;
}

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

.pvc-legend-dot.pvc-dot-pv       { background: var(--pvc-accent); }
.pvc-legend-dot.pvc-dot-growth   { background: var(--pvc-teal); }
.pvc-legend-dot.pvc-dot-inflation { background: var(--pvc-interest); }

/* Schedule table (compact) */
.pvc-schedule-wrap {
    margin-top: 1rem;
}

.pvc-schedule-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: 1.5px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    padding: 0.6rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pvc-accent-dark);
    cursor: pointer;
    transition: all var(--pvc-transition);
}

.pvc-schedule-toggle:hover {
    background: var(--pvc-accent-light);
    border-color: var(--pvc-accent);
}

.pvc-schedule-toggle svg {
    transition: transform 0.2s;
}

.pvc-schedule-toggle.pvc-open svg {
    transform: rotate(180deg);
}

.pvc-schedule-table-wrap {
    display: none;
    margin-top: 0.6rem;
    border: 1px solid var(--pvc-border);
    border-radius: var(--pvc-radius-sm);
    overflow: hidden;
}

.pvc-schedule-table-wrap.pvc-visible {
    display: block;
    animation: pvc-fade-in 0.2s ease;
}

.pvc-schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.76rem;
}

.pvc-schedule-table thead {
    background: var(--pvc-bg-muted);
    position: sticky;
    top: 0;
}

.pvc-schedule-table th {
    padding: 0.45rem 0.65rem;
    font-weight: 700;
    color: var(--pvc-text-secondary);
    text-align: right;
    white-space: nowrap;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pvc-schedule-table th:first-child { text-align: left; }

.pvc-schedule-table td {
    padding: 0.42rem 0.65rem;
    color: var(--pvc-text-secondary);
    text-align: right;
    border-top: 1px solid var(--pvc-border-soft);
}

.pvc-schedule-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--pvc-text-primary);
}

.pvc-schedule-table tbody tr:hover td {
    background: var(--pvc-accent-light);
}

.pvc-schedule-scroll {
    max-height: 240px;
    overflow-y: auto;
}

.pvc-schedule-scroll::-webkit-scrollbar { width: 5px; }
.pvc-schedule-scroll::-webkit-scrollbar-track { background: var(--pvc-bg-muted); }
.pvc-schedule-scroll::-webkit-scrollbar-thumb { background: var(--pvc-border); border-radius: 99px; }

/* ═══════════════════════════════════════
   INFO TIP BOX
═══════════════════════════════════════ */
.pvc-info-tip {
    background: var(--pvc-warning-bg);
    border: 1px solid var(--pvc-warning-brd);
    border-left: 3px solid var(--pvc-interest);
    border-radius: 0 var(--pvc-radius-sm) var(--pvc-radius-sm) 0;
    padding: 0.65rem 0.9rem;
    margin-top: 1rem;
    font-size: 0.78rem;
    color: var(--pvc-warning-text);
    line-height: 1.45;
}

.pvc-info-tip strong {
    font-weight: 700;
}

/* ═══════════════════════════════════════
   FORMULA BLOCK (article section)
═══════════════════════════════════════ */
.pvc-page .formula-block {
    background: var(--pvc-bg-muted);
    border: 1px solid var(--pvc-border);
    border-left: 3px solid var(--pvc-teal);
    border-radius: 0 var(--pvc-radius-sm) var(--pvc-radius-sm) 0;
    padding: 0.9rem 1.2rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.93rem;
    color: var(--pvc-accent-dark);
    font-weight: 600;
    margin: 1rem 0;
    overflow-x: auto;
    white-space: nowrap;
}

/* ═══════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
═══════════════════════════════════════ */

/* Prevent any child from punching out of the card */
.pvc-page .calc-widget-card {
    min-width: 0;
    overflow-x: hidden;
}

@media (max-width: 640px) {
    .pvc-page .calc-widget-card { border-radius: var(--pvc-radius-sm); }
    .pvc-widget-heading { padding: 1rem 1rem 0.85rem; font-size: 1.05rem; }
    .pvc-tabs { padding: 0 0.75rem; }
    .pvc-tab-panels { padding: 0.9rem 0.85rem 1.1rem; }
    .pvc-primary-value { font-size: 1.55rem; }
    .pvc-stats-grid { grid-template-columns: 1fr 1fr; }
    .pvc-breakdown { padding: 0.75rem 0.85rem; }
    .pvc-info-tip { padding: 0.6rem 0.75rem; }
}
@media (max-width: 480px) {
    .pvc-primary-value { font-size: 1.3rem; word-break: break-all; }
    .pvc-tab-btn { padding: 0.6rem 0.75rem; font-size: 0.75rem; }
    /* Stack NPV cash-flow rows so the Remove button doesn't squeeze the input */
    .pvc-npv-row.pvc-inputs-grid { grid-template-columns: 1fr; }
}
@media (max-width: 400px) {
    .pvc-btn-row { flex-direction: column; }
    .pvc-btn-primary,
    .pvc-btn-clear { width: 100%; }
    .pvc-tab-panels { padding: 0.8rem 0.7rem 1rem; }
    .pvc-widget-heading { padding: 0.85rem 0.85rem 0.75rem; font-size: 1rem; }
}
/* ═══════════════════════════════════════
   PRINT STYLES
═══════════════════════════════════════ */
@media print {
    .pvc-btn-row, .pvc-tabs, .pvc-schedule-toggle { display: none !important; }
    .pvc-results { display: block !important; }
    .pvc-schedule-table-wrap { display: block !important; max-height: none !important; }
}
/* ═══════════════════════════════════════
   MOBILE OVERFLOW FIX (SAFE PATCH ONLY)
═══════════════════════════════════════ */

/* Fix flex/grid overflow issues */
.pvc-inputs-grid,
.pvc-input-group,
.pvc-input-wrap,
.pvc-tab-panels,
.pvc-btn-row,
.pvc-stats-grid,
.pvc-breakdown {
    min-width: 0;
}

/* Prevent inputs from pushing layout */
.pvc-calc-input {
    min-width: 0;
}

/* Fix long numbers breaking layout */
.pvc-primary-value {
    word-break: break-word;
}

/* Fix schedule table overflow (main issue) */
.pvc-schedule-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.pvc-schedule-table {
    min-width: 520px; /* keeps table readable, scrolls instead */
}

/* Ensure scroll container allows horizontal scroll */
.pvc-schedule-scroll {
    overflow-x: auto;
}
/* ═══════════════════════════════════════
   REAL MOBILE OVERFLOW FIX
═══════════════════════════════════════ */

/* 1. Force all flex/grid children to shrink properly */
.pvc-page * {
    min-width: 0;
}

/* 2. Prevent page-level horizontal overflow */
.pvc-page {
    overflow-x: hidden;
}

/* 3. FIX: Schedule table must scroll horizontally */
.pvc-schedule-table-wrap {
    display: block;
    overflow-x: auto;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

/* CRITICAL: table should NOT shrink below its content */
.pvc-schedule-table {
    min-width: 600px;
    width: max-content;
}

/* 4. Ensure scroll container doesn't block horizontal scroll */
.pvc-schedule-scroll {
    overflow-x: auto;
}

/* 5. Fix long numbers/text breaking layout */
.pvc-primary-value,
.pvc-stat-value {
    word-break: break-word;
}

/* 6. Fix possible hidden overflow from grids */
.pvc-inputs-grid,
.pvc-stats-grid {
    width: 100%;
    overflow: hidden;
}