/* ==========================================================================
   PORTOIJO 2.0 INDUSTRIAL FINTECH DESIGN SYSTEM — KALKULATOR PESANGON
   Standar PP No. 35 Tahun 2021 | Modular Asset v2.62
   ========================================================================== */

/* ==========================================================================
   PORTOIJO 2.0 INDUSTRIAL FINTECH DESIGN SYSTEM — KALKULATOR PESANGON
   ========================================================================== */
.container-tool-page {
    max-width: 1220px !important;
    margin: 0 auto;
    padding: 0 1.25rem;
    width: 100%;
    box-sizing: border-box;
}

.tool-container {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto;
    padding: 8px 0 32px;
    box-sizing: border-box;
}

/* Local Design Variables (Inheriting Portoijo & Theme-Aware) */
.tool-container {
    --psg-primary: #1a3c34;
    --psg-primary-dark: #112923;
    --psg-accent: #167c5e;
    --psg-accent-hover: #116249;
    --psg-accent-light: #e6f4ef;
    --psg-accent-border: #b6dfd0;
    --psg-gold: #c8953e;
    --psg-gold-light: #fef9ee;
    --psg-gold-border: #f3deb8;
    --psg-blue: #0284c7;
    --psg-blue-light: #e0f2fe;
    --psg-amber: #d97706;
    --psg-amber-light: #fef3c7;
    --psg-purple: #7c3aed;
    --psg-purple-light: #ede9fe;
    --psg-danger: #dc2626;
    
    --psg-card: var(--tool-bg-card, #ffffff);
    --psg-card-alt: var(--tool-bg-alt, #f9fafb);
    --psg-surface: var(--tool-surface, #f1f0eb);
    --psg-heading: var(--tool-text, #0f1f1a);
    --psg-text: var(--tool-text, #263530);
    --psg-text-muted: var(--tool-text-muted, #5b6e67);
    --psg-border: var(--tool-border, #e2e5e2);
    --psg-border-strong: var(--tool-border-strong, #cbd2ce);

    --font-mono: 'JetBrains Mono', monospace;
    --font-serif: 'Lora', Georgia, serif;
}

[data-theme="dark"] .tool-container {
    --psg-primary: #14332b;
    --psg-primary-dark: #0a1b17;
    --psg-accent: #28b58b;
    --psg-accent-hover: #34cba0;
    --psg-accent-light: rgba(40, 181, 139, 0.14);
    --psg-accent-border: rgba(40, 181, 139, 0.32);
    --psg-gold: #e0ac53;
    --psg-gold-light: rgba(224, 172, 83, 0.12);
    --psg-gold-border: rgba(224, 172, 83, 0.3);
    --psg-blue: #38bdf8;
    --psg-blue-light: rgba(56, 189, 248, 0.12);
    --psg-amber: #fbbf24;
    --psg-amber-light: rgba(251, 191, 36, 0.12);
    --psg-purple: #a78bfa;
    --psg-purple-light: rgba(167, 139, 250, 0.12);
    --psg-danger: #f87171;

    --psg-card: #172521;
    --psg-card-alt: #1c2c27;
    --psg-surface: #131f1c;
    --psg-heading: #f0f6f4;
    --psg-text: #d1dfda;
    --psg-text-muted: #8ea59d;
    --psg-border: #253832;
    --psg-border-strong: #334d45;
}

/* ── 1. Tool Header (H1 at very top) ── */
.tool-header-hero {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
    padding-top: 0.25rem;
    padding-right: 140px;
}
.tool-calc-watermark {
    position: absolute;
    top: -12px;
    right: -10px;
    opacity: 0.055;
    pointer-events: none;
    user-select: none;
    color: var(--psg-heading);
    transition: opacity 0.3s ease;
    z-index: 0;
}
.tool-calc-watermark svg {
    display: block;
    width: 145px;
    height: 145px;
}
[data-theme="dark"] .tool-calc-watermark {
    opacity: 0.085;
    color: var(--psg-accent);
}
@media (max-width: 640px) {
    .tool-header-hero {
        padding-right: 0;
    }
    .tool-calc-watermark {
        top: -10px;
        right: -15px;
        opacity: 0.04;
    }
    .tool-calc-watermark svg {
        width: 110px;
        height: 110px;
    }
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.7vw, 2.1rem);
    font-weight: 700;
    color: var(--psg-heading);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin: 0;
}
.hero-subtitle {
    font-size: 0.93rem;
    color: var(--psg-text-muted);
    max-width: 860px;
    line-height: 1.55;
    margin: 0;
}
.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.74rem;
    font-weight: 600;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    background: var(--psg-card);
    border: 1px solid var(--psg-border);
    color: var(--psg-text);
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.trust-badge--accent {
    background: var(--psg-accent-light);
    border-color: var(--psg-accent-border);
    color: var(--psg-accent);
}
.trust-badge--gold {
    background: var(--psg-gold-light);
    border-color: var(--psg-gold-border);
    color: #9a6b1f;
}
[data-theme="dark"] .trust-badge--gold {
    color: var(--psg-gold);
}

/* ── 2. Two-Column Ergonomic Workspace ── */
.calc-workspace {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
    margin-top: 1.5rem;
    margin-bottom: 2.25rem;
}
@media (min-width: 1024px) {
    .calc-workspace {
        grid-template-columns: 1.08fr 0.92fr;
        gap: 1.75rem;
    }
}

.panel-card {
    background: var(--psg-card);
    border: 1px solid var(--psg-border);
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    overflow: hidden;
}

/* ── Quick Scenario Presets Strip ── */
.preset-strip {
    padding: 0.9rem 1.15rem;
    background: var(--psg-card-alt);
    border-bottom: 1px solid var(--psg-border);
}
.preset-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--psg-text-muted);
}
.preset-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.preset-pill {
    font-family: inherit;
    font-size: 0.74rem;
    font-weight: 600;
    padding: 0.35rem 0.72rem;
    border-radius: 999px;
    border: 1px solid var(--psg-border);
    background: var(--psg-card);
    color: var(--psg-text);
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}
.preset-pill:hover {
    border-color: var(--psg-accent);
    color: var(--psg-accent);
    transform: translateY(-1px);
}
.preset-pill.active {
    background: var(--psg-primary);
    color: #ffffff;
    border-color: var(--psg-primary);
}
[data-theme="dark"] .preset-pill.active {
    background: var(--psg-accent);
    color: #091914;
    border-color: var(--psg-accent);
}

/* ── Workspace Local Draft Pill Bar ── */
.workspace-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.45rem;
    background: var(--psg-card);
    border-bottom: 1px solid var(--psg-border);
    padding: 0.65rem 1.15rem;
}
.workspace-status {
    font-size: 0.75rem;
    color: var(--psg-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--psg-accent);
    display: inline-block;
}
.workspace-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.ws-btn {
    font-family: inherit;
    font-size: 0.73rem;
    font-weight: 600;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--psg-border);
    background: var(--psg-surface);
    color: var(--psg-text);
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.ws-btn:hover {
    border-color: var(--psg-accent);
    color: var(--psg-accent);
    background: var(--psg-accent-light);
}
.ws-btn-primary {
    background: var(--psg-accent-light);
    color: var(--psg-accent);
    border-color: var(--psg-accent-border);
}

/* ── Segmented Switcher (PKWTT vs PKWT) ── */
.contract-switcher-wrap {
    padding: 1.15rem 1.15rem 0.25rem;
}
.contract-switcher {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    background: var(--psg-surface);
    padding: 0.35rem;
    border-radius: 12px;
    border: 1px solid var(--psg-border);
}
.seg-btn {
    appearance: none;
    border: none;
    background: transparent;
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    transition: all 0.18s ease;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--psg-text-muted);
}
.seg-btn:hover {
    color: var(--psg-heading);
}
.seg-btn.active {
    background: var(--psg-card);
    color: var(--psg-heading);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border: 1px solid var(--psg-border);
}
.seg-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    background: var(--psg-accent-light);
    color: var(--psg-accent);
    flex-shrink: 0;
}
.seg-btn[data-type="pkwt"] .seg-icon {
    background: var(--psg-blue-light);
    color: var(--psg-blue);
}
.seg-title {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: inherit;
    line-height: 1.2;
}
.seg-desc {
    display: block;
    font-size: 0.71rem;
    color: var(--psg-text-muted);
    margin-top: 2px;
}

/* ── Form Body & Steps ── */
.form-body {
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-section {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.45rem;
    border-bottom: 1px solid var(--psg-border);
}
.section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--psg-heading);
}
.step-badge {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--psg-primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
[data-theme="dark"] .step-badge {
    background: var(--psg-accent);
    color: #091914;
}
.section-hint {
    font-size: 0.73rem;
    color: var(--psg-text-muted);
    font-weight: 500;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}
@media (max-width: 600px) {
    .grid-2col { grid-template-columns: 1fr; }
    .contract-switcher { grid-template-columns: 1fr; }
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.field-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--psg-heading);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.req {
    color: var(--psg-danger);
    margin-left: 2px;
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.input-prefix, .input-suffix {
    position: absolute;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--psg-text-muted);
    pointer-events: none;
}
.input-prefix { left: 0.75rem; }
.input-suffix { right: 0.75rem; }

.form-input, .form-select {
    width: 100%;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--psg-heading);
    background: var(--psg-card);
    border: 1.5px solid var(--psg-border-strong);
    border-radius: 8px;
    padding: 0.58rem 0.75rem;
    transition: all 0.15s ease;
    outline: none;
    box-sizing: border-box;
}
.form-input.has-prefix {
    padding-left: 2.35rem;
    font-family: var(--font-mono);
    font-size: 0.86rem;
}
.form-input.has-suffix {
    padding-right: 3.2rem;
    font-family: var(--font-mono);
}
.form-input:focus, .form-select:focus {
    border-color: var(--psg-accent);
    box-shadow: 0 0 0 3px var(--psg-accent-light);
}

.quick-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.2rem;
}
.chip-btn {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 5px;
    border: 1px solid var(--psg-border);
    background: var(--psg-surface);
    color: var(--psg-text-muted);
    cursor: pointer;
    transition: all 0.12s;
}
.chip-btn:hover {
    border-color: var(--psg-accent);
    color: var(--psg-accent);
    background: var(--psg-accent-light);
}

.wage-summary-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.9rem;
    background: var(--psg-accent-light);
    border: 1px solid var(--psg-accent-border);
    border-radius: 8px;
    font-size: 0.8rem;
}
.wage-summary-label {
    font-weight: 600;
    color: var(--psg-text);
}
.wage-summary-val {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--psg-accent);
}

.pasal-callout {
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    background: var(--psg-surface);
    border-left: 3.5px solid var(--psg-accent);
    font-size: 0.78rem;
    color: var(--psg-text);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}
.pasal-multiplier-pill {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    background: var(--psg-card);
    border: 1px solid var(--psg-border);
    white-space: nowrap;
    color: var(--psg-accent);
}

/* ── 3. Right Column: Sticky Results & Financial Dashboard ── */
.results-sticky {
    position: sticky;
    top: 84px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.results-card {
    background: var(--psg-card);
    border: 1.5px solid var(--psg-border-strong);
    border-radius: 16px;
    padding: 1.25rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.results-top-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.9rem;
}
.results-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--psg-heading);
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0;
}
.contract-status-pill {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: var(--psg-primary);
    color: #fff;
}
.contract-status-pill.is-pkwt {
    background: var(--psg-blue);
}

/* Hero Take-Home Pay Banner */
.hero-result-banner {
    background: linear-gradient(135deg, var(--psg-primary) 0%, #166953 100%);
    color: #ffffff;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(22, 105, 83, 0.22);
}
.hero-result-banner.is-pkwt {
    background: linear-gradient(135deg, #0f3f61 0%, #0284c7 100%);
    box-shadow: 0 8px 20px rgba(2, 132, 199, 0.22);
}
.hero-result-grid {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.hero-net-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.88;
    font-weight: 600;
}
.hero-net-val {
    font-family: var(--font-mono);
    font-size: clamp(1.6rem, 2.7vw, 2.05rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 0.2rem 0 0.35rem;
    letter-spacing: -0.02em;
}
.hero-tax-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.73rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(4px);
}
.hero-gross-box {
    text-align: right;
}
.hero-gross-label {
    font-size: 0.7rem;
    opacity: 0.85;
}
.hero-gross-val {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
}

/* 4-Component KPI Grid */
.kpi-grid-4 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
    margin-bottom: 1rem;
}
.kpi-box {
    background: var(--psg-card-alt);
    border: 1px solid var(--psg-border);
    border-radius: 8px;
    padding: 0.75rem 0.85rem;
    border-left: 3.5px solid var(--psg-accent);
}
.kpi-box--upmk { border-left-color: var(--psg-amber); }
.kpi-box--uph { border-left-color: var(--psg-blue); }
.kpi-box--tax { border-left-color: var(--psg-purple); }

.kpi-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--psg-text-muted);
    margin-bottom: 0.2rem;
}
.kpi-val {
    font-family: var(--font-mono);
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--psg-heading);
}
.kpi-sub {
    font-size: 0.7rem;
    color: var(--psg-text-muted);
    margin-top: 2px;
}

/* Visual Proportion Stacked Bar */
.composition-card {
    background: var(--psg-card-alt);
    border: 1px solid var(--psg-border);
    border-radius: 8px;
    padding: 0.85rem;
    margin-bottom: 1rem;
}
.comp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--psg-heading);
    margin-bottom: 0.55rem;
}
.stacked-bar {
    height: 22px;
    width: 100%;
    background: var(--psg-surface);
    border-radius: 999px;
    overflow: hidden;
    display: flex;
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--psg-border);
}
.bar-seg {
    height: 100%;
    border-radius: 999px;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    overflow: hidden;
    white-space: nowrap;
}
.comp-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.55rem;
    font-size: 0.72rem;
    color: var(--psg-text-muted);
}
.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.legend-dot {
    width: 9px;
    height: 9px;
    border-radius: 3px;
    display: inline-block;
}

/* Detailed Audit Trail Accordion */
.audit-details {
    border: 1px solid var(--psg-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    background: var(--psg-card);
    overflow: hidden;
}
.audit-summary {
    padding: 0.65rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--psg-heading);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--psg-surface);
    user-select: none;
    list-style: none;
}
.audit-summary::-webkit-details-marker { display: none; }
.audit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.76rem;
}
.audit-table td {
    padding: 0.5rem 0.85rem;
    border-top: 1px solid var(--psg-border);
}
.audit-table td:last-child {
    text-align: right;
    font-family: var(--font-mono);
    font-weight: 600;
}

/* Consolidated Action Suite (Placed directly inside results panel) */
.action-suite {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-top: 0.5rem;
}
.btn-primary-lg {
    width: 100%;
    padding: 0.78rem 1rem;
    border-radius: 8px;
    border: none;
    background: var(--psg-accent);
    color: #ffffff;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(22, 124, 94, 0.25);
    transition: all 0.15s ease;
}
.btn-primary-lg:hover {
    background: var(--psg-accent-hover);
    transform: translateY(-1px);
}
[data-theme="dark"] .btn-primary-lg {
    color: #071914;
}

.action-secondary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem;
}
@media (min-width: 480px) and (max-width: 900px) {
    .action-secondary-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (min-width: 1200px) {
    .action-secondary-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.input-terbilang-hint {
    font-size: 0.73rem;
    font-weight: 600;
    color: var(--psg-accent);
    margin-top: 0.28rem;
    margin-bottom: 0.35rem;
    line-height: 1.35;
    transition: opacity 0.2s ease;
    word-break: break-word;
}
[data-theme="dark"] .input-terbilang-hint {
    color: #34d399;
}
.btn-sec {
    padding: 0.52rem 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--psg-border-strong);
    background: var(--psg-card);
    color: var(--psg-text);
    font-family: inherit;
    font-size: 0.74rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    transition: all 0.15s ease;
}
.btn-sec:hover {
    border-color: var(--psg-accent);
    color: var(--psg-accent);
    background: var(--psg-accent-light);
}
.btn-sec--wa {
    color: #0d7a5f;
    border-color: rgba(13, 122, 95, 0.35);
}
[data-theme="dark"] .btn-sec--wa {
    color: #34d399;
}

.utility-links-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.55rem;
    border-top: 1px dashed var(--psg-border);
    font-size: 0.73rem;
}
.util-link-btn {
    background: none;
    border: none;
    color: var(--psg-text-muted);
    font-family: inherit;
    font-size: 0.73rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}
.util-link-btn:hover {
    color: var(--psg-accent);
    background: var(--psg-accent-light);
}

/* ── 4. Tabbed Knowledge & Legal Hub ── */
.knowledge-section {
    margin: 2rem 0;
}
.tabs-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    border-bottom: 1.5px solid var(--psg-border);
    margin-bottom: 1.25rem;
}
.tab-trigger {
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.75rem 1.1rem;
    background: transparent;
    border: none;
    border-bottom: 2.5px solid transparent;
    color: var(--psg-text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}
.tab-trigger:hover {
    color: var(--psg-heading);
}
.tab-trigger.active {
    color: var(--psg-accent);
    border-bottom-color: var(--psg-accent);
    font-weight: 700;
}
.tab-panel {
    display: none;
}
.tab-panel.active {
    display: block;
    animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.table-wrap {
    overflow-x: auto;
    background: var(--psg-card);
    border: 1px solid var(--psg-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
.ref-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
    text-align: left;
}
.ref-table th {
    background: var(--psg-surface);
    color: var(--psg-heading);
    font-weight: 700;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--psg-border);
}
.ref-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--psg-border);
}
.ref-table tbody tr {
    background: var(--psg-card);
    color: var(--psg-text);
}
.ref-table tbody tr:nth-child(even) {
    background: var(--psg-card-alt);
}
.ref-table tr.active-tier {
    background: var(--psg-accent-light) !important;
}
.ref-table tr.active-tier td {
    color: var(--psg-accent) !important;
    font-weight: 700;
}
[data-theme="dark"] .ref-table tbody tr {
    background: #172521;
    color: #d1dfda;
}
[data-theme="dark"] .ref-table tbody tr:nth-child(even) {
    background: #1c2c27;
}
[data-theme="dark"] .ref-table tr.active-tier {
    background: rgba(40, 181, 139, 0.28) !important;
}
[data-theme="dark"] .ref-table tr.active-tier td {
    color: #34d399 !important;
}
.pill-val {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 700;
    padding: 0.15rem 0.55rem;
    border-radius: 6px;
    background: var(--psg-accent-light);
    color: var(--psg-accent);
}

.formula-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}
.info-card {
    background: var(--psg-card);
    border: 1px solid var(--psg-border);
    border-radius: 12px;
    padding: 1.25rem;
}
.info-card h3 {
    font-size: 0.95rem;
    color: var(--psg-heading);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.code-formula {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.75rem;
    background: var(--psg-surface);
    border-radius: 8px;
    border: 1px solid var(--psg-border);
    color: var(--psg-accent);
    margin: 0.5rem 0 0.75rem;
    line-height: 1.5;
}

/* ── Modals & Toast ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 18, 0.68);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal-dialog {
    background: var(--psg-card);
    border: 1px solid var(--psg-border-strong);
    border-radius: 16px;
    max-width: 760px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 40px rgba(0,0,0,0.16);
    overflow: hidden;
}
.modal-head {
    padding: 1rem 1.25rem;
    background: var(--psg-surface);
    border-bottom: 1px solid var(--psg-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-body {
    padding: 1.25rem;
    overflow-y: auto;
}
.modal-foot {
    padding: 0.85rem 1.25rem;
    background: var(--psg-surface);
    border-top: 1px solid var(--psg-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.6rem;
}

.a4-paper {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 2rem;
    font-family: inherit;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.a4-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2.5px solid #1a3c34;
    padding-bottom: 0.85rem;
    margin-bottom: 1.25rem;
}
.a4-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    margin-bottom: 1.25rem;
}
.a4-table th, .a4-table td {
    border: 1px solid #cbd5e1;
    padding: 0.55rem 0.75rem;
    text-align: left;
}
.a4-table th {
    background: #f1f5f9;
    font-weight: 700;
    color: #0f172a;
}

.toast-container {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast-msg {
    background: var(--psg-primary);
    color: #ffffff;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideUp 0.2s ease;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media print {
    body * { visibility: hidden; }
    #a4PrintArea, #a4PrintArea * { visibility: visible; }
    #a4PrintArea {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        border: none;
        box-shadow: none;
        padding: 0;
    }
}

/* Bottom Sequence (Comments -> Centered Rating -> Centered Timestamp -> Centered Embed Button) */
.tool-bottom-rating {
    text-align: center;
    margin: 2.25rem auto 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
#dwikToolRating {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}
#dwikToolRating > div {
    display: inline-flex !important;
    justify-content: center !important;
    align-items: center !important;
    margin: 0 auto !important;
}
#dwikToolFeedback {
    max-width: 440px;
    width: 100%;
    margin: 0.35rem auto 0;
    text-align: center;
}
#dwikToolFeedback details {
    text-align: center;
}
#dwikToolFeedback summary {
    display: inline-block;
    text-align: center;
}
.tool-bottom-meta {
    text-align: center;
    margin: 0.5rem auto 1.25rem;
    font-size: 0.82rem;
    color: var(--color-text-muted, #64748b);
}
.tool-bottom-embed {
    text-align: center;
    margin: 0.75rem auto 2.5rem;
}
.btn-embed-bottom {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 20px;
    background: var(--psg-bg-card, #ffffff);
    color: var(--psg-primary, #0f766e);
    border: 1.5px solid var(--psg-primary, #0f766e);
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(15, 118, 110, 0.08);
}
.btn-embed-bottom:hover {
    background: var(--psg-primary, #0f766e);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2);
}

/* Companion Articles (Theme-Aware & Dark Mode) */
.tool-companion-articles {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--psg-card);
    border: 1px solid var(--psg-border);
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}
.tool-companion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.15rem;
}
.tool-companion-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--psg-heading);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}
.tool-companion-subtitle {
    font-size: 0.78rem;
    color: var(--psg-text-muted);
}
.tool-companion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.tool-companion-card {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    background: var(--psg-card-alt);
    border: 1px solid var(--psg-border);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.tool-companion-card:hover {
    transform: translateY(-2px);
    background: var(--psg-card);
    border-color: var(--psg-accent);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}
.tool-companion-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--psg-accent);
    margin-bottom: 0.35rem;
}
.tool-companion-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--psg-heading);
    margin: 0 0 0.5rem;
    line-height: 1.45;
}
.tool-companion-card-action {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--psg-accent);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: auto;
}

/* ── FAQ Accordion Theme & Dark Mode Integration ── */
.tool-faq {
    margin-top: 0.5rem;
}
.tool-faq h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--psg-heading);
    margin: 0.25rem 0 1rem;
}
.tool-faq-item {
    border: 1px solid var(--psg-border);
    border-radius: 10px;
    margin-bottom: 0.65rem;
    overflow: hidden;
    background: var(--psg-card-alt);
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.tool-faq-item.open,
.tool-faq-item[open] {
    border-color: var(--psg-accent);
    background: var(--psg-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}
.tool-faq-q,
.tool-faq-question {
    width: 100%;
    padding: 0.95rem 1.15rem;
    text-align: left;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--psg-heading);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    transition: color 0.15s ease, background 0.15s ease;
}
.tool-faq-q:hover,
.tool-faq-question:hover {
    background: rgba(0, 0, 0, 0.02);
    color: var(--psg-accent);
}
.tool-faq-q::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--psg-accent);
    line-height: 1;
    transition: transform 0.2s ease;
}
.tool-faq-item.open .tool-faq-q::after {
    content: '−';
    transform: rotate(180deg);
}
.tool-faq-a,
.tool-faq-answer {
    display: none;
    padding: 0 1.15rem 1.15rem;
    font-size: 0.86rem;
    line-height: 1.68;
    color: var(--psg-text);
    border-top: 1px solid var(--psg-border);
    padding-top: 0.85rem;
}
.tool-faq-item.open .tool-faq-a,
.tool-faq-item[open] .tool-faq-answer {
    display: block;
    animation: fadeIn 0.2s ease-out;
}
.tool-faq-a strong,
.tool-faq-answer strong {
    color: var(--psg-heading);
}
.tool-faq-a code,
.tool-faq-answer code {
    background: var(--psg-surface);
    color: var(--psg-accent);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    border: 1px solid var(--psg-border);
}

/* Explicit Dark Mode Overrides for FAQ */
[data-theme="dark"] .tool-faq h3 {
    color: #f0f6f4 !important;
}
[data-theme="dark"] .tool-faq-item {
    background: #1c2c27 !important;
    border-color: #253832 !important;
}
[data-theme="dark"] .tool-faq-item.open,
[data-theme="dark"] .tool-faq-item[open] {
    background: #172521 !important;
    border-color: #28b58b !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25) !important;
}
[data-theme="dark"] .tool-faq-q,
[data-theme="dark"] .tool-faq-question {
    color: #f0f6f4 !important;
}
[data-theme="dark"] .tool-faq-q:hover,
[data-theme="dark"] .tool-faq-question:hover {
    background: rgba(255, 255, 255, 0.03) !important;
    color: #34d399 !important;
}
[data-theme="dark"] .tool-faq-q::after {
    color: #28b58b !important;
}
[data-theme="dark"] .tool-faq-a,
[data-theme="dark"] .tool-faq-answer {
    color: #d1dfda !important;
    border-top-color: #253832 !important;
}
[data-theme="dark"] .tool-faq-a strong,
[data-theme="dark"] .tool-faq-answer strong {
    color: #f0f6f4 !important;
}
[data-theme="dark"] .tool-faq-a code,
[data-theme="dark"] .tool-faq-answer code {
    background: #131f1c !important;
    color: #34d399 !important;
    border-color: #253832 !important;
}