/* =========================================================
   CalcMaster Pro – White/Light Theme Override
   Integrated with KSTechHub main site branding
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;800&display=swap');

/* ── CSS Tokens ─────────────────────────────────────────── */
:root {
    /* Light background palette */
    --bg-primary:        #f4f6fb;
    --bg-secondary:      #ffffff;
    --text-primary:      #1a1a2e;
    --text-secondary:    #4a5568;
    --text-muted:        #9ca3af;

    /* Brand accent (matches KSTechHub gradient) */
    --accent-purple:     #7c3aed;
    --accent-pink:       #db2777;
    --purple-glow:       rgba(124, 58, 237, 0.12);
    --pink-glow:         rgba(219, 39, 119, 0.12);

    /* Card & border */
    --card-bg:           #ffffff;
    --card-border:       #e5e7eb;
    --card-hover-border: rgba(124, 58, 237, 0.35);
    --border-color:      #e5e7eb;

    /* Shadows */
    --shadow-sm:  0 2px 8px rgba(0,0,0,0.06);
    --shadow-md:  0 6px 24px rgba(0,0,0,0.08);
    --shadow-lg:  0 12px 40px rgba(124,58,237,0.10);
}

/* ── Body & Typography ──────────────────────────────────── */
.calc-tool-body,
.calc-tool-body *,
main.container,
main.container * {
    font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

/* ── Page wrapper background ────────────────────────────── */
body {
    background-color: var(--bg-primary) !important;
}

/* ── Glass Card → White Card ────────────────────────────── */
.glass-card {
    background: var(--card-bg) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 16px !important;
    box-shadow: var(--shadow-sm) !important;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    color: var(--text-primary);
}

.glass-card:hover {
    transform: translateY(-3px);
    border-color: var(--card-hover-border) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* Force all text inside cards to dark */
.glass-card .text-white,
.glass-card h1, .glass-card h2, .glass-card h3,
.glass-card h4, .glass-card h5, .glass-card h6 {
    color: var(--text-primary) !important;
}

.glass-card .text-secondary,
.glass-card p.text-secondary,
.glass-card span.text-secondary {
    color: var(--text-secondary) !important;
}

.glass-card .text-muted {
    color: var(--text-muted) !important;
}

/* ── Gradient Text (Purple→Pink) ────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Form Inputs (white with border) ────────────────────── */
.form-saas-control {
    background: #f9fafb !important;
    border: 1.5px solid #d1d5db !important;
    color: var(--text-primary) !important;
    border-radius: 10px !important;
    padding: 10px 14px !important;
    transition: all 0.25s ease !important;
    font-family: 'Inter', sans-serif;
}

.form-saas-control:focus {
    border-color: var(--accent-purple) !important;
    box-shadow: 0 0 0 3px var(--purple-glow) !important;
    outline: none !important;
    background: #ffffff !important;
}

.form-saas-control option {
    background: #ffffff;
    color: var(--text-primary);
}

.form-label.text-white.small.fw-bold {
    color: var(--text-primary) !important;
}

/* ── Gradient Button ─────────────────────────────────────── */
.btn-saas-gradient {
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
    border: none;
    color: #fff;
    padding: 11px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.30);
}

.btn-saas-gradient:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.40);
    color: #fff;
    opacity: 0.93;
}

/* ── Outline Button ─────────────────────────────────────── */
.btn-saas-outline {
    background: transparent;
    border: 1.5px solid var(--accent-purple);
    color: var(--accent-purple);
    padding: 11px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: all 0.25s ease;
}

.btn-saas-outline:hover {
    background: var(--accent-purple);
    color: #fff;
    box-shadow: 0 4px 14px var(--purple-glow);
}

/* ── Category Badge ─────────────────────────────────────── */
.category-badge {
    background: rgba(124, 58, 237, 0.10);
    color: var(--accent-purple);
    border-radius: 50px;
    padding: 4px 12px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Calculator Card Links ──────────────────────────────── */
.calculator-card-link {
    text-decoration: none;
    color: inherit;
}

.calculator-card-link:hover {
    color: inherit;
}

/* Calc card inner panel */
.calculator-card-link .p-3 {
    background: #f9fafb !important;
    border-color: #e5e7eb !important;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.calculator-card-link:hover .p-3 {
    background: rgba(124, 58, 237, 0.04) !important;
    border-color: var(--card-hover-border) !important;
    box-shadow: var(--shadow-sm);
}

/* ── Accordion (FAQ) ─────────────────────────────────────── */
.accordion-item.bg-transparent {
    background: transparent !important;
}

.accordion-button.bg-transparent {
    background: transparent !important;
    color: var(--text-primary) !important;
}

.accordion-button.text-white {
    color: var(--text-primary) !important;
}

.accordion-button:not(.collapsed) {
    color: var(--accent-purple) !important;
    box-shadow: none;
}

.accordion-body.text-secondary {
    color: var(--text-secondary) !important;
}

/* ── Table Styles (light) ────────────────────────────────── */
.table.table-dark {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-striped-bg: #f9fafb;
    --bs-table-striped-color: var(--text-primary);
    --bs-table-hover-bg: rgba(124, 58, 237, 0.04);
    --bs-table-hover-color: var(--text-primary);
    --bs-table-border-color: #e5e7eb;
    color: var(--text-primary);
}

.table.table-dark thead tr {
    color: var(--text-secondary);
}

.table.table-dark td,
.table.table-dark th {
    color: var(--text-primary);
    border-color: #e5e7eb;
}

/* ── Live Age Ticker ─────────────────────────────────────── */
.ticker-box {
    background: linear-gradient(135deg, #faf5ff, #fdf2f8);
    border: 2px solid var(--accent-pink);
    border-radius: 14px;
    padding: 20px 24px;
    box-shadow: 0 4px 20px var(--pink-glow);
    text-align: center;
}

.ticker-value {
    font-size: 2.2rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--accent-purple);
    letter-spacing: 0.5px;
}

/* ── AdSense CLS-safe Slot ──────────────────────────────── */
.adsense-spot {
    min-height: 100px;
    background: #f9fafb;
    border: 1.5px dashed #d1d5db;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 16px 0;
}

/* ── History & Favorites ─────────────────────────────────── */
.history-item {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
    cursor: pointer;
    border-radius: 8px;
}

.history-item:hover {
    background: #f3f4f6;
}

.history-item:last-child {
    border-bottom: none;
}

.favorite-btn {
    cursor: pointer;
    transition: color 0.2s ease;
    color: #d1d5db !important;
}

.favorite-btn.active {
    color: #f59e0b !important;
}

/* ── CalcMaster Sub-nav ──────────────────────────────────── */
.calc-subnav {
    position: sticky;
    top: 0;
    z-index: 100;
}

/* ── Results Panel ───────────────────────────────────────── */
#resultsPanel .text-white {
    color: var(--text-primary) !important;
}

#resultsPanel {
    background: linear-gradient(135deg, #faf5ff 0%, #fdf2f8 100%) !important;
    border: 1.5px solid rgba(124,58,237,0.15) !important;
}

/* Ensure text inside dark alert/insight containers inside results is white */
#resultsPanel .bg-dark .text-white,
#resultsPanel .bg-dark p,
#resultsPanel #resultsOpenAiInsight p {
    color: #ffffff !important;
}

/* ── Inline bg-white bg-opacity-5 overrides ─────────────── */
.bg-white.bg-opacity-5 {
    background: #f9fafb !important;
}

/* ── Home page Hero section ──────────────────────────────── */
.glass-card .position-absolute.bg-gradient {
    opacity: 0.06 !important;
}

/* ── Misc text color fixups ──────────────────────────────── */
.text-purple { color: var(--accent-purple) !important; }
.bg-purple { background-color: var(--accent-purple) !important; }

/* Custom translucent icon background for light mode */
.calculator-icon-box {
    background-color: rgba(124, 58, 237, 0.1) !important;
    color: var(--accent-purple) !important;
}

/* Border overrides for light mode */
.border-secondary.border-opacity-10 {
    border-color: #e5e7eb !important;
}

/* font-monospace formula block */
.font-monospace {
    background: #f3f4f6;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.82rem;
    color: var(--accent-purple);
    display: inline-block;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 767.98px) {
    .ticker-value { font-size: 1.5rem; }
    .glass-card { border-radius: 12px !important; }
}