/* ── TOOL ──────────────────────────────────────────────────────── */
:root {
    --primary:      #10b981;
    --primary-dark: #059669;
    --secondary:    #3b82f6;
    --danger:       #ef4444;
    --warning:      #f59e0b;
    --muted:        #64748b;
    --bg:           #f8fafc;
    --card:         #ffffff;
    --text:         #1e293b;
    --border:       #e5e7eb;
    --radius:       12px;
    --shadow:       0 10px 25px rgba(0,0,0,0.05), 0 5px 10px rgba(0,0,0,0.02);
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}

.container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* HEADER */
header { text-align: center; margin-bottom: 2.5rem; }

h1 {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #111827, #374151);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 680px;
    margin: 0 auto;
}

/* CALCULATOR CARD */
.calculator-card {
    background: var(--card);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2.5rem;
    border: 1px solid #f1f5f9;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.input-group { display: flex; flex-direction: column; }

.input-group label {
    margin-bottom: 0.45rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #374151;
}

.input-group input,
.input-group select {
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 1.5px solid var(--border);
    font-size: 0.97rem;
    font-family: 'Inter', sans-serif;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    color: var(--text);
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

/* Inline validation */
.input-error { border-color: var(--danger) !important; box-shadow: 0 0 0 3px rgba(239,68,68,0.1) !important; }
.field-err { font-size: 0.78rem; color: var(--danger); margin-top: 4px; display: none; }
.field-err.show { display: block; }

/* CALCULATE BUTTON */
.calculate-btn {
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}
.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16,185,129,0.4);
}
.calculate-btn:active { transform: translateY(0); }

/* RESULTS */
.results {
    margin-top: 2rem;
    display: none;
    animation: fadeIn 0.45s ease;
}

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

.summary-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.summary-card {
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: 10px;
    padding: 1.25rem 1rem;
    text-align: center;
    transition: transform 0.2s;
}
.summary-card:hover { transform: translateY(-3px); }
.summary-card .label { font-size: 0.8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.summary-card .val { font-weight: 800; font-size: 1.35rem; margin-top: 4px; }
.val-green  { color: var(--primary); }
.val-red    { color: var(--danger); }
.val-blue   { color: var(--secondary); }
.val-orange { color: var(--warning); }

/* BREAKDOWN TABLE */
.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}
.breakdown-table th {
    background: #f8fafc;
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    border-bottom: 1px solid #f1f5f9;
}
.breakdown-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid #f8fafc;
    font-size: 0.95rem;
}
.breakdown-table tbody tr:hover td { background: #f8fafc; }
.breakdown-table .row-total td {
    font-weight: 700;
    background: #f1f5f9;
    border-top: 2px solid #e2e8f0;
}
.breakdown-table td:last-child { text-align: right; font-weight: 600; }

/* EFFECTIVE RATE BADGE */
.eff-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
    background: #dbeafe;
    color: #1d4ed8;
}

/* FREQUENCY TOGGLE */
.frequency-tabs {
    display: flex;
    gap: 6px;
    background: #f1f5f9;
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 1rem;
    width: fit-content;
}
.freq-btn {
    padding: 6px 16px;
    border-radius: 8px;
    border: none;
    background: transparent;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.2s;
}
.freq-btn.active {
    background: white;
    color: var(--text);
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* CHART */
.chart-wrap {
    position: relative;
    height: 300px;
    margin-top: 1.5rem;
}

/* TOAST */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--danger);
    color: white;
    padding: 11px 18px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(239,68,68,0.3);
    transform: translateY(80px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 9999;
}
.toast.visible { transform: translateY(0); opacity: 1; }

/* ── SEO CONTENT ───────────────────────────────────────────────
   Prefix: amnsp__ (Albert Master Net Salary Professional)
   100% isolated — no conflict with tool CSS
───────────────────────────────────────────────────────────────*/
.amnsp__wrapper {
    --sp-green:  #10b981;
    --sp-blue:   #3b82f6;
    --sp-red:    #ef4444;
    --sp-amber:  #d97706;
    --sp-black:  #111827;
    --sp-bg:     #f8fafc;
    --sp-surf:   #ffffff;
    --sp-border: #e5e7eb;
    --sp-muted:  #64748b;
    --sp-text:   #1e293b;

    font-family: 'Inter', sans-serif;
    background: var(--sp-bg);
    color: var(--sp-text);
    padding: 64px 20px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 16px;
}
.amnsp__wrapper * { box-sizing: border-box; }
.amnsp__inner { width: 95%; margin: 0 auto; }

.amnsp__divider { display:flex; align-items:center; gap:14px; margin:52px 0 30px; }
.amnsp__divider-line { flex:1; height:1px; background:var(--sp-border); }
.amnsp__divider-dot  { width:8px; height:8px; border-radius:50%; background:var(--sp-green); flex-shrink:0; }

.amnsp__h2 { font-size:1.55rem; font-weight:800; color:var(--sp-black); margin:0 0 6px; line-height:1.2; letter-spacing:-0.02em; }
.amnsp__h2 span { color:var(--sp-green); }
.amnsp__lead { font-size:0.97rem; color:var(--sp-muted); margin:0 0 22px; line-height:1.65; }
.amnsp__body { font-size:0.97rem; line-height:1.78; color:#334155; margin:0 0 16px; }
.amnsp__body strong { color:var(--sp-black); font-weight:600; }

/* Hero */
.amnsp__hero {
    background: linear-gradient(135deg, #064e3b 0%, #111827 55%, #1e3a5f 100%);
    border-radius:16px; padding:44px 40px; margin-bottom:48px;
    position:relative; overflow:hidden;
}
.amnsp__hero::after {
    content:'$'; position:absolute; right:-10px; top:-20px;
    font-size:11rem; font-weight:900;
    color:rgba(255,255,255,0.04);
    line-height:1; pointer-events:none; user-select:none;
}
.amnsp__hero-tag {
    display:inline-block; background:rgba(16,185,129,0.25); color:#6ee7b7;
    font-size:0.72rem; font-weight:700; letter-spacing:0.1em;
    text-transform:uppercase; padding:4px 12px;
    border-radius:20px; margin-bottom:14px;
}
.amnsp__hero-title { font-size:2rem; font-weight:800; color:#fff; line-height:1.15; margin:0 0 14px; letter-spacing:-0.02em; }
.amnsp__hero-title span { color:#6ee7b7; }
.amnsp__hero-body { font-size:0.95rem; color:rgba(255,255,255,0.65); line-height:1.65; margin:0; max-width:560px; }

/* Stats */
.amnsp__stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(145px,1fr)); gap:12px; margin:24px 0; }
.amnsp__stat {
    background:var(--sp-surf); border:1px solid var(--sp-border);
    border-radius:12px; padding:18px 14px; text-align:center;
    position:relative; overflow:hidden; transition:transform 0.2s,box-shadow 0.2s;
}
.amnsp__stat:hover { transform:translateY(-3px); box-shadow:0 8px 24px rgba(0,0,0,0.07); }
.amnsp__stat::after { content:''; position:absolute; bottom:0; left:0; right:0; height:3px; background:var(--sp-green); }
.amnsp__stat-val { font-size:1.7rem; font-weight:800; color:var(--sp-green); line-height:1; margin-bottom:5px; }
.amnsp__stat-lbl { font-size:0.72rem; font-weight:600; text-transform:uppercase; letter-spacing:0.06em; color:var(--sp-muted); }

/* Steps */
.amnsp__steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin:22px 0; }
.amnsp__step { background:var(--sp-surf); border:1px solid var(--sp-border); border-radius:12px; padding:20px; transition:box-shadow 0.2s; }
.amnsp__step:hover { box-shadow:0 4px 16px rgba(0,0,0,0.06); }
.amnsp__step-num { display:inline-flex; align-items:center; justify-content:center; width:28px; height:28px; border-radius:8px; background:var(--sp-green); color:#fff; font-size:0.78rem; font-weight:800; margin-bottom:10px; }
.amnsp__step-title { font-size:0.9rem; font-weight:700; color:var(--sp-black); margin:0 0 5px; }
.amnsp__step-body  { font-size:0.84rem; color:var(--sp-muted); line-height:1.6; margin:0; }

/* Table */
.amnsp__table-wrap { overflow-x:auto; margin:22px 0; border-radius:12px; border:1px solid var(--sp-border); }
.amnsp__table { width:100%; border-collapse:collapse; font-size:0.88rem; }
.amnsp__table thead tr { background:var(--sp-black); color:#fff; }
.amnsp__table th { padding:12px 16px; text-align:left; font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.07em; }
.amnsp__table td { padding:11px 16px; border-bottom:1px solid var(--sp-border); color:var(--sp-text); vertical-align:top; }
.amnsp__table tbody tr:last-child td { border-bottom:none; }
.amnsp__table tbody tr:nth-child(even) td { background:#f8fafc; }
.amnsp__table tbody tr:hover td { background:#ecfdf5; }
.amnsp__badge { display:inline-block; padding:2px 9px; border-radius:20px; font-size:0.72rem; font-weight:700; }
.amnsp__badge-green { background:#d1fae5; color:#065f46; }
.amnsp__badge-blue  { background:#dbeafe; color:#1d4ed8; }
.amnsp__badge-amber { background:#fef3c7; color:#92400e; }
.amnsp__badge-red   { background:#fee2e2; color:#991b1b; }

/* Callout */
.amnsp__callout { border-left:4px solid var(--sp-green); background:#ecfdf5; border-radius:0 10px 10px 0; padding:18px 22px; margin:24px 0; }
.amnsp__callout p { font-size:1rem; font-weight:600; color:var(--sp-black); line-height:1.5; margin:0; }
.amnsp__callout span { display:block; font-size:0.8rem; font-weight:500; color:var(--sp-muted); margin-top:5px; }

/* Warn */
.amnsp__warn { border-left:4px solid var(--sp-amber); background:#fffbeb; border-radius:0 10px 10px 0; padding:16px 20px; margin:20px 0; display:flex; gap:12px; align-items:flex-start; }
.amnsp__warn-text { font-size:0.88rem; color:#78350f; line-height:1.6; margin:0; }
.amnsp__warn-text strong { color:#92400e; }

/* Deductions grid */
.amnsp__ded-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:14px; margin:22px 0; }
.amnsp__ded-card { background:var(--sp-surf); border:1px solid var(--sp-border); border-radius:12px; padding:20px; }
.amnsp__ded-icon { font-size:1.5rem; margin-bottom:10px; display:block; }
.amnsp__ded-title { font-size:0.9rem; font-weight:700; color:var(--sp-black); margin:0 0 5px; }
.amnsp__ded-body  { font-size:0.84rem; color:var(--sp-muted); line-height:1.6; margin:0; }
.amnsp__ded-val   { display:inline-block; margin-top:8px; font-size:0.78rem; font-weight:700; color:var(--sp-green); background:#d1fae5; padding:2px 10px; border-radius:20px; }

/* FAQ */
.amnsp__faq-list { display:flex; flex-direction:column; gap:10px; margin:22px 0; }
.amnsp__faq-item { background:var(--sp-surf); border:1px solid var(--sp-border); border-radius:12px; overflow:hidden; }
.amnsp__faq-q { width:100%; background:none; border:none; text-align:left; padding:18px 22px; font-family:'Inter',sans-serif; font-size:0.95rem; font-weight:600; color:var(--sp-black); cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:12px; transition:background 0.15s; }
.amnsp__faq-q:hover { background:#f8fafc; }
.amnsp__faq-icon { flex-shrink:0; width:22px; height:22px; border-radius:50%; background:var(--sp-green); color:#fff; font-size:0.9rem; font-weight:800; display:flex; align-items:center; justify-content:center; transition:transform 0.25s,background 0.2s; }
.amnsp__faq-item.amnsp__open .amnsp__faq-icon { transform:rotate(45deg); background:var(--sp-red); }
.amnsp__faq-a { max-height:0; overflow:hidden; transition:max-height 0.35s ease; padding:0 22px; }
.amnsp__faq-item.amnsp__open .amnsp__faq-a { max-height:600px; }
.amnsp__faq-a p { font-size:0.9rem; line-height:1.75; color:#475569; margin:0 0 18px; }
.amnsp__faq-a strong { color:var(--sp-black); }

/* Disclaimer */
.amnsp__disclaimer { background:#f1f5f9; border:1px solid var(--sp-border); border-radius:12px; padding:20px 24px; margin-top:48px; display:flex; gap:14px; align-items:flex-start; }
.amnsp__disclaimer-text { font-size:0.82rem; color:var(--sp-muted); line-height:1.65; margin:0; }
.amnsp__disclaimer-text strong { color:var(--sp-text); }

@media (max-width:640px) {
    .container { margin:1rem auto; }
    .calculator-card { padding:1.5rem; }
    h1 { font-size:1.75rem; }
    .amnsp__hero { padding:28px 22px; }
    .amnsp__hero-title { font-size:1.5rem; }
    .amnsp__h2 { font-size:1.3rem; }
    .amnsp__stats { grid-template-columns:repeat(2,1fr); }
    .chart-wrap { height:240px; }
}