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✏️ Editing: kalkulator.php

<?php
require_once '../includes/config.php';

// The global $settings variable is available from config.php
// We can add fallbacks here just in case
$settings['harga_emas']  = $settings['harga_emas']  ?? 1050000;
$settings['harga_perak'] = $settings['harga_perak'] ?? 12000;
$settings['harga_beras'] = $settings['harga_beras'] ?? 15000;
$settings['nisab_emas']  = $settings['nisab_emas']  ?? 85;
$settings['nisab_perak'] = $settings['nisab_perak'] ?? 595;
$settings['nama_lembaga'] = $settings['nama_lembaga'] ?? 'UPZIS PRNU Mliwang';

$nisab_tahunan  = ($settings['harga_emas'] ?? 0) * ($settings['nisab_emas'] ?? 85);
$nisab_bulanan  = $nisab_tahunan / 12;
$nisab_perak    = ($settings['harga_perak'] ?? 12000) * ($settings['nisab_perak'] ?? 595);
$fitrah_per_jiwa = ($settings['harga_beras'] ?? 15000) * 2.5;
?>
<!DOCTYPE html>
<html lang="id">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Kalkulator Zakat — <?= htmlspecialchars($settings['nama_lembaga']) ?></title>
    <link href="https://fonts.googleapis.com/css2?family=Amiri:ital,wght@0,400;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=DM+Sans:wght@300;400;500;600;700&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css">
    <style>
        :root {
            --emerald:    #064e3b;
            --emerald-2:  #065f46;
            --emerald-3:  #047857;
            --emerald-4:  #10b981;
            --emerald-5:  #6ee7b7;
            --emerald-pale: #ecfdf5;
            --gold:       #b45309;
            --gold-2:     #d97706;
            --gold-3:     #f59e0b;
            --gold-light: #fcd34d;
            --gold-pale:  #fffbeb;
            --cream:      #fefce8;
            --ink:        #1c1917;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-600: #4b5563;
            --gray-800: #1f2937;
            --muted:      #78716c;
            --border:     #e7e5e4;
            --white:      #ffffff;
            --shadow-card: 0 20px 60px rgba(6,78,59,.13), 0 4px 16px rgba(6,78,59,.07);
            --radius:     14px;
            --radius-lg:  22px;
            
            /* Variables from Index.php for Navbar Compatibility */
            --green-dark: #0d4a2a;
            --green-main: #166534;
            --gold: #d4a017;
            --gold-light: #f0c842;
            --font-main: 'Plus Jakarta Sans', sans-serif;
            --font-arabic: 'Amiri', serif;
        }

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
        html { scroll-behavior: smooth; }

body {
            font-family: 'DM Sans', sans-serif;
            background: #f5f3ef;
            color: var(--ink);
            min-height: 100vh;
        }

/* ── NAVBAR ── */
        .navbar {
          position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
          background: rgba(13, 74, 42, 0.97);
          backdrop-filter: blur(10px);
          border-bottom: 2px solid var(--idx-gold);
          padding: 0 0;
          transition: all 0.3s ease;
        }
        .nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 70px; }
        .nav-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
        .nav-logo { width: 48px; height: 48px; background: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Amiri', serif; font-size: 18px; font-weight: 700; color: var(--green-dark); overflow: hidden; }
        .nav-brand-text { color: white; display: flex; flex-direction: column; }
        .nav-logo img { width: 100%; height: 100%; object-fit: cover; }
        .nav-brand-text .brand-main { display: block; font-family: var(--font-main); font-size: 18px; font-weight: 800; color: var(--gold-light); letter-spacing: 1px; }
        .nav-brand-text .brand-sub { display: block; font-family: var(--font-main); font-size: 9px; color: rgba(255,255,255,0.75); letter-spacing: 0.5px; }
        .nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; }
        .nav-menu a { font-family: var(--font-main); color: rgba(255,255,255,0.85); text-decoration: none; padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 500; transition: all 0.2s; }
        .nav-menu a:hover { background: rgba(255,255,255,0.15); color: var(--gold-light); }
        .nav-menu .btn-login { background: var(--gold); color: var(--green-dark) !important; font-weight: 700; padding: 8px 20px !important; }
        .nav-menu .btn-login:hover { background: var(--gold-light); transform: translateY(-1px); }
        .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
        .hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: all 0.3s; }

/* Mobile Menu */
        .mobile-menu { display: none; position: fixed; top: 70px; left: 0; right: 0; background: var(--green-dark); border-top: 1px solid rgba(255,255,255,0.1); z-index: 999; padding: 16px 24px; flex-direction: column; gap: 4px; }
        .mobile-menu.open { display: flex; }
        .mobile-menu a { font-family: var(--font-main); color: rgba(255,255,255,0.85); text-decoration: none; padding: 12px 16px; border-radius: 8px; font-size: 15px; transition: all 0.2s; }
        .mobile-menu a:hover { background: rgba(255,255,255,0.1); color: var(--gold-light); }

@media (max-width: 768px) {
            .nav-menu { display: none; }
            .hamburger { display: flex; }
        }

/* ── HERO ── */
        .hero {
            background: linear-gradient(160deg, var(--emerald) 0%, var(--emerald-2) 55%, #0a3d2b 100%);
            padding: 100px 24px 96px; /* Increased top padding for fixed navbar */
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute; inset: 0;
            background: radial-gradient(ellipse 70% 60% at 50% 110%, rgba(251,191,36,.12), transparent);
        }
        .hero-kaligrafi {
            font-family: 'Playfair Display', serif;
            font-size: 13px;
            font-style: italic;
            color: var(--gold-3);
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 14px;
            opacity: .9;
        }
        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: clamp(36px, 6vw, 56px);
            font-weight: 900;
            color: white;
            line-height: 1.1;
            margin-bottom: 14px;
        }
        .hero h1 span { color: var(--gold-light); }
        .hero p {
            color: rgba(255,255,255,.7);
            font-size: 16px;
            max-width: 460px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .hero-badges {
            display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
            margin-top: 28px;
        }
        .hero-badge {
            background: rgba(255,255,255,.1);
            border: 1px solid rgba(255,255,255,.2);
            color: rgba(255,255,255,.85);
            font-size: 12px; font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
        }
        .hero-badge i { color: var(--gold-3); margin-right: 5px; }

/* ── MAIN WRAPPER ── */
        .wrapper {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 20px 80px;
            margin-top: -52px;
            position: relative;
            z-index: 10;
        }

/* ── CARD ── */
        .card {
            background: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

/* ── TABS ── */
        .tabs-header {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            background: var(--emerald);
            border-bottom: 1px solid rgba(255,255,255,.08);
            overflow-x: auto;
        }
        .tab-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            padding: 16px 10px;
            color: rgba(255,255,255,.55);
            font-size: 11px;
            font-weight: 600;
            letter-spacing: .3px;
            cursor: pointer;
            border-bottom: 3px solid transparent;
            transition: all .22s;
            white-space: nowrap;
            text-align: center;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            font-family: 'DM Sans', sans-serif;
        }
        .tab-btn i { font-size: 17px; margin-bottom: 2px; }
        .tab-btn:hover { color: rgba(255,255,255,.85); background: rgba(255,255,255,.05); }
        .tab-btn.active {
            color: var(--gold-light);
            border-bottom-color: var(--gold-3);
            background: rgba(255,255,255,.07);
        }

/* ── CONTENT PANELS ── */
        .panel { display: none; animation: fadeUp .3s ease; }
        .panel.active { display: block; }
        @keyframes fadeUp {
            from { opacity:0; transform:translateY(10px); }
            to   { opacity:1; transform:translateY(0); }
        }

.panel-body { padding: 36px 36px 8px; }

.panel-intro {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--emerald-pale);
            border-left: 4px solid var(--emerald-4);
            border-radius: 10px;
            padding: 16px 18px;
            margin-bottom: 28px;
        }
        .panel-intro i { color: var(--emerald-3); font-size: 18px; margin-top: 2px; flex-shrink: 0; }
        .panel-intro p { font-size: 13px; color: var(--emerald-2); line-height: 1.6; }
        .panel-intro strong { color: var(--emerald); }

/* ── FORM ── */
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .form-grid.single { grid-template-columns: 1fr; }
        .span-2 { grid-column: span 2; }

.field { display: flex; flex-direction: column; gap: 7px; }
        .field label {
            font-size: 12.5px;
            font-weight: 700;
            color: var(--emerald);
            letter-spacing: .3px;
            text-transform: uppercase;
        }
        .field label span { color: var(--muted); text-transform: none; font-weight: 400; }
        .input-wrap { position: relative; }
        .input-prefix, .input-suffix {
            position: absolute;
            top: 50%; transform: translateY(-50%);
            font-size: 13px; font-weight: 700;
            color: var(--muted);
            pointer-events: none;
        }
        .input-prefix { left: 14px; }
        .input-suffix { right: 14px; }
        input[type="number"], input[type="text"], select {
            width: 100%;
            padding: 13px 14px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-family: 'DM Sans', sans-serif;
            font-size: 15px;
            color: var(--ink);
            background: white;
            transition: border-color .2s, box-shadow .2s;
            -moz-appearance: textfield;
        }
        input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
        input.rupiah-input { letter-spacing: .3px; }
        input.rupiah-input::placeholder { color: #bbb; letter-spacing: 0; }
        .has-prefix input { padding-left: 38px; }
        .has-suffix input { padding-right: 52px; }
        input:focus, select:focus {
            outline: none;
            border-color: var(--emerald-3);
            box-shadow: 0 0 0 3px rgba(16,185,129,.12);
        }

/* Segmented toggle for unit */
        .toggle-group {
            display: flex;
            gap: 0;
            border: 2px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
        }
        .toggle-group input[type="radio"] { display: none; }
        .toggle-group label {
            flex: 1;
            text-align: center;
            padding: 11px 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            cursor: pointer;
            background: white;
            transition: all .2s;
            text-transform: none;
            letter-spacing: 0;
        }
        .toggle-group input[type="radio"]:checked + label {
            background: var(--emerald);
            color: white;
        }

.field-hint {
            font-size: 11.5px;
            color: var(--muted);
            line-height: 1.5;
        }
        .field-hint strong { color: var(--emerald-2); }

.divider {
            grid-column: span 2;
            border: none;
            border-top: 1.5px dashed var(--border);
            margin: 4px 0;
        }
        .section-label {
            grid-column: span 2;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--muted);
            padding-top: 4px;
        }

/* ── RESULT BOX ── */
        .result-wrap { padding: 28px 36px 36px; }
        .result-box {
            border-radius: var(--radius);
            overflow: hidden;
            display: none;
        }
        .result-box.show { display: block; animation: fadeUp .3s ease; }
        .result-top {
            background: linear-gradient(135deg, var(--emerald) 0%, var(--emerald-2) 100%);
            padding: 32px 32px 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .result-icon {
            width: 64px; height: 64px;
            background: rgba(255,255,255,.12);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 26px;
            color: var(--gold-light);
            flex-shrink: 0;
        }
        .result-text { flex: 1; min-width: 180px; }
        .result-label {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: rgba(255,255,255,.6);
            margin-bottom: 6px;
        }
        .result-amount {
            font-family: 'Playfair Display', serif;
            font-size: clamp(28px, 5vw, 44px);
            font-weight: 900;
            color: var(--gold-light);
            line-height: 1.1;
        }
        .result-detail {
            font-size: 13px;
            color: rgba(255,255,255,.65);
            margin-top: 6px;
            line-height: 1.5;
        }
        .result-nisab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 10px;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .nisab-ok   { background: rgba(52,211,153,.15); color: #6ee7b7; }
        .nisab-fail { background: rgba(252,211,77,.1);  color: #fcd34d; }

.result-bottom {
            background: var(--gold-pale);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .result-cta-text {
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
        }
        .btn-zakat {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--gold-2), var(--gold-3));
            color: white;
            font-family: 'DM Sans', sans-serif;
            font-size: 14px;
            font-weight: 700;
            border-radius: 10px;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(217,119,6,.35);
            transition: all .2s;
            border: none; cursor: pointer;
        }
        .btn-zakat:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217,119,6,.45); }

/* ── INFO CARDS ── */
        .info-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            padding: 0 36px 32px;
        }
        .info-card {
            background: var(--emerald-pale);
            border: 1px solid #a7f3d0;
            border-radius: 12px;
            padding: 16px;
            text-align: center;
        }
        .info-card-value {
            font-family: 'Playfair Display', serif;
            font-size: 18px;
            font-weight: 700;
            color: var(--emerald-2);
            margin-bottom: 4px;
        }
        .info-card-label { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

/* ── FOOTER ── */
        footer { background: var(--green-dark); color: white; }
        .footer-main { max-width: 1200px; margin: 0 auto; padding: 60px 24px 40px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand h3 { font-size: 22px; font-weight: 800; color: var(--gold-light); margin-bottom: 12px; }
        .footer-brand p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 20px; }
        .footer-socials { display: flex; gap: 10px; }
        .social-icon { width: 38px; height: 38px; background: rgba(255,255,255,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); text-decoration: none; transition: all 0.2s; font-size: 16px; }
        .social-icon:hover { background: var(--gold); color: var(--green-dark); }
        .footer-col h4 { font-size: 14px; font-weight: 700; color: var(--gold-light); margin-bottom: 16px; letter-spacing: 0.5px; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.65); text-decoration: none; transition: color 0.2s; }
        .footer-col ul li a:hover { color: var(--gold-light); }
        .footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
        .footer-contact-item i { color: var(--gold); margin-top: 2px; font-size: 14px; }
        .footer-contact-item span { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.5; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
        .footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.5); }

/* ── RESPONSIVE ── */
        @media (max-width: 1024px) {
            .footer-main { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 640px) {
            .tabs-header { grid-template-columns: repeat(3, 1fr); }
            .panel-body  { padding: 24px 20px 8px; }
            .result-wrap { padding: 20px 20px 28px; }
            .form-grid   { grid-template-columns: 1fr; }
            .span-2, .divider, .section-label { grid-column: span 1; }
            .info-strip  { grid-template-columns: 1fr; padding: 0 20px 24px; }
            .result-top  { padding: 24px 20px; }
            .result-bottom { padding: 16px 20px; }
            .footer-main { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
        }
    </style>
</head>
<body>

<nav class="navbar">
  <div class="nav-inner">
    <a href="../index.php" class="nav-brand">
      <div class="nav-logo">
        <?php if (!empty($settings['logo_path']) && file_exists('../'.$settings['logo_path'])): ?>
            <img src="../<?= htmlspecialchars($settings['logo_path']) ?>?t=<?= time() ?>" alt="Logo">
        <?php else: ?>
            NU
        <?php endif; ?>
      </div>
      <div class="nav-brand-text">
        <span class="brand-main"><?= htmlspecialchars($settings['nama_lembaga'] ?? 'UPZIS PRNU Mliwang') ?></span>
        <span class="brand-sub"><?= strtoupper(htmlspecialchars($settings['nama_lembaga_panjang'] ?? 'LEMBAGA AMIL ZAKAT')) ?></span>
      </div>
    </a>
    <ul class="nav-menu">
      <li><a href="../index.php#beranda">Beranda</a></li>
      <li><a href="../index.php#tentang">Tentang</a></li>
      <li><a href="../index.php#program">Program</a></li>
      <li><a href="galeri.php" class="active">Galeri</a></li>
      <li><a href="kalkulator.php">Kalkulator</a></li>
      <li><a href="../login.php" class="btn-login">Login Admin</a></li>
    </ul>
    <div class="hamburger" onclick="toggleMenu()">
      <span></span><span></span><span></span>
    </div>
  </div>
</nav>
<div class="mobile-menu" id="mobileMenu">
  <a href="../index.php#beranda">🏠 Beranda</a>
  <a href="../index.php#tentang">ℹ️ Tentang UPZIS PRNU Mliwang</a>
  <a href="../index.php#program">📋 Program Zakat</a>
  <a href="kalkulator.php">🧮 Kalkulator Zakat</a>
  <a href="../index.php#donasi">💚 Donasi</a>
  <a href="../login.php">Login Admin</a>
</div>

<div class="hero">
    <p class="hero-kaligrafi"><i class="fas fa-star-and-crescent"></i> &nbsp; Kalkulator Zakat &nbsp; <i class="fas fa-star-and-crescent"></i></p>
    <h1>Hitung <span>Kewajiban Zakat</span><br>Anda dengan Tepat</h1>
    <p>Penuhi rukun Islam ke-3 dengan perhitungan yang akurat, mudah, dan terpercaya.</p>
    <div class="hero-badges">
        <span class="hero-badge"><i class="fas fa-check-circle"></i>6 Jenis Zakat</span>
        <span class="hero-badge"><i class="fas fa-sync-alt"></i>Harga Emas Real-time</span>
        <span class="hero-badge"><i class="fas fa-shield-alt"></i>Berdasarkan Fiqih NU</span>
    </div>
</div>

<div class="tabs-header" role="tablist">
            <button class="tab-btn active" onclick="switchTab('penghasilan')" role="tab">
                <i class="fas fa-briefcase"></i>Penghasilan
            </button>
            <button class="tab-btn" onclick="switchTab('maal')" role="tab">
                <i class="fas fa-coins"></i>Maal
            </button>
            <button class="tab-btn" onclick="switchTab('pertanian')" role="tab">
                <i class="fas fa-seedling"></i>Pertanian
            </button>
            <button class="tab-btn" onclick="switchTab('perniagaan')" role="tab">
                <i class="fas fa-store"></i>Perniagaan
            </button>
            <button class="tab-btn" onclick="switchTab('ternak')" role="tab">
                <i class="fas fa-horse"></i>Ternak
            </button>
            <button class="tab-btn" onclick="switchTab('fitrah')" role="tab">
                <i class="fas fa-moon"></i>Fitrah
            </button>
        </div>

<div id="panel-penghasilan" class="panel active">
            <div class="panel-body">
                <div class="panel-intro">
                    <i class="fas fa-info-circle"></i>
                    <p>Zakat penghasilan (profesi) dihitung dari total pendapatan kotor setiap bulan. Nisab menggunakan <strong>85 gram emas</strong> dibagi 12 bulan. Kadar zakat sebesar <strong>2,5%</strong>.</p>
                </div>
                <div class="form-grid">
                    <div class="field">
                        <label>Gaji Pokok / Bulan</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="p_gaji" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Tunjangan / Bulan</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="p_tunjangan" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Bonus / Pendapatan Lain</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="p_bonus" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Pendapatan Freelance / Lain</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="p_freelance" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="span-2 field-hint">
                        Nisab bulanan: <strong><?= formatRupiah($nisab_bulanan) ?></strong> &nbsp;|&nbsp;
                        Harga emas: <strong><?= formatRupiah($settings['harga_emas'] ?? 0) ?>/gram</strong>
                    </div>
                </div>
            </div>
        </div>

<div id="panel-maal" class="panel">
            <div class="panel-body">
                <div class="panel-intro">
                    <i class="fas fa-info-circle"></i>
                    <p>Zakat maal wajib jika harta bersih telah mencapai nisab (<strong><?= formatRupiah($nisab_tahunan) ?></strong> / setara 85 gram emas) dan sudah dimiliki <strong>1 tahun penuh (haul)</strong>. Kadar <strong>2,5%</strong>.</p>
                </div>
                <div class="form-grid">
                    <div class="section-label"><i class="fas fa-plus-circle" style="color:var(--emerald-4)"></i> &nbsp;HARTA</div>
                    <div class="field">
                        <label>Emas & Perak (nilai pasar)</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_emas" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Uang Tunai & Tabungan</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_tabungan" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Investasi & Saham</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_investasi" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Piutang yang Diharapkan</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_piutang" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Kendaraan (niat jual)</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_kendaraan" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Properti (niat jual)</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_properti" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <hr class="divider">
                    <div class="section-label"><i class="fas fa-minus-circle" style="color:#f87171"></i> &nbsp;KEWAJIBAN</div>
                    <div class="field">
                        <label>Hutang Jatuh Tempo</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_hutang" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Biaya Kebutuhan Pokok Bulanan</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="m_kebutuhan" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                </div>
            </div>
        </div>

<div id="panel-pertanian" class="panel">
            <div class="panel-body">
                <div class="panel-intro">
                    <i class="fas fa-info-circle"></i>
                    <p>Zakat pertanian dikeluarkan saat <strong>panen</strong>. Nisab: <strong>653 kg</strong> (5 wasaq). Kadar: <strong>10%</strong> jika irigasi alami (hujan), <strong>5%</strong> jika menggunakan irigasi buatan (pompa, biaya). Anda juga bisa memasukkan nilai uang dari hasil panen.</p>
                </div>
                <div class="form-grid">
                    <div class="span-2 field">
                        <label>Cara Input Hasil Panen</label>
                        <div class="toggle-group">
                            <input type="radio" name="tani_mode" id="tani_kg" value="kg" checked onchange="toggleTaniMode()">
                            <label for="tani_kg"><i class="fas fa-weight-hanging"></i> Berat (kg)</label>
                            <input type="radio" name="tani_mode" id="tani_uang" value="uang" onchange="toggleTaniMode()">
                            <label for="tani_uang"><i class="fas fa-money-bill-wave"></i> Nilai Uang (Rp)</label>
                        </div>
                    </div>

<div id="tani_input_kg" class="field span-2">
                        <label>Total Hasil Panen <span>(kilogram)</span></label>
                        <div class="input-wrap has-suffix">
                            <input type="number" id="t_hasil_kg" placeholder="0" oninput="calc()">
                            <span class="input-suffix">kg</span>
                        </div>
                        <div class="field-hint">Nisab: <strong>653 kg</strong> (5 wasaq). Isi harga/kg di bawah untuk melihat nilai uang zakat.</div>
                    </div>

<div id="tani_harga_kg_wrap" class="field">
                        <label>Harga Komoditas / kg</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="t_harga_kg_mode" placeholder="0" inputmode="numeric">
                        </div>
                        <div class="field-hint">Opsional — untuk menghitung nilai uang zakat & nisab rupiah.</div>
                    </div>

<div id="tani_nisab_kg_info" class="field" style="display:none;">
                        <label>Info Nisab</label>
                        <div id="tani_nisab_kg_box" style="background:var(--emerald-pale);border:1px solid #a7f3d0;border-radius:10px;padding:12px 14px;font-size:13px;color:var(--emerald-2);line-height:1.7;"></div>
                    </div>

<div id="tani_input_uang" class="field span-2" style="display:none;">
                        <label>Nilai Hasil Panen <span>(rupiah)</span></label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="t_hasil_uang" placeholder="0" inputmode="numeric">
                        </div>
                        <div class="field-hint">Masukkan total nilai jual hasil panen. Nisab setara <strong>653 kg × harga komoditas</strong>. Anda perlu mengisi harga per kg di bawah.</div>
                    </div>

<div id="tani_harga_wrap" class="field" style="display:none;">
                        <label>Harga Komoditas / kg</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="t_harga_kg" placeholder="0" inputmode="numeric">
                        </div>
                        <div class="field-hint">Untuk menghitung nisab setara uang.</div>
                    </div>

<div class="field">
                        <label>Jenis Irigasi</label>
                        <select id="t_irigasi" onchange="calc()">
                            <option value="10">Alami — Hujan / Mata Air (10%)</option>
                            <option value="5">Buatan — Pompa / Biaya (5%)</option>
                        </select>
                    </div>
                </div>
            </div>
        </div>

<div id="panel-perniagaan" class="panel">
            <div class="panel-body">
                <div class="panel-intro">
                    <i class="fas fa-info-circle"></i>
                    <p>Zakat perniagaan/perdagangan dihitung dari aset usaha bersih setelah dikurangi kewajiban. Nisab <strong>setara 85 gram emas</strong>, haul 1 tahun, kadar <strong>2,5%</strong>.</p>
                </div>
                <div class="form-grid">
                    <div class="section-label"><i class="fas fa-plus-circle" style="color:var(--emerald-4)"></i> &nbsp;ASET USAHA</div>
                    <div class="field">
                        <label>Stok / Persediaan Barang</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="n_stok" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Kas & Rekening Usaha</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="n_kas" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Piutang Dagang</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="n_piutang" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Investasi / Aset Lancar Lain</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="n_aset_lain" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <hr class="divider">
                    <div class="section-label"><i class="fas fa-minus-circle" style="color:#f87171"></i> &nbsp;KEWAJIBAN USAHA</div>
                    <div class="field">
                        <label>Hutang Usaha Jatuh Tempo</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="n_hutang" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="field">
                        <label>Biaya Operasional Tertunggak</label>
                        <div class="input-wrap has-prefix">
                            <span class="input-prefix">Rp</span>
                            <input type="text" class="rupiah-input" id="n_biaya" placeholder="0" inputmode="numeric">
                        </div>
                    </div>
                    <div class="span-2 field-hint">
                        Nisab perniagaan: <strong><?= formatRupiah($nisab_tahunan) ?></strong> (85 gram emas × <?= formatRupiah($settings['harga_emas'] ?? 0) ?>)
                    </div>
                </div>
            </div>
        </div>

<div id="panel-ternak" class="panel">
            <div class="panel-body">
                <div class="panel-intro">
                    <i class="fas fa-info-circle"></i>
                    <p>Zakat ternak dihitung berdasarkan jenis dan jumlah hewan ternak yang sudah dipelihara <strong>1 tahun penuh</strong> dan mencapai nisab. Pilih jenis ternak untuk melihat ketentuan zakat.</p>
                </div>
                <div class="form-grid">
                    <div class="span-2 field">
                        <label>Jenis Ternak</label>
                        <select id="trn_jenis" onchange="updateTernakInfo(); calc()">
                            <option value="sapi">Sapi / Kerbau</option>
                            <option value="kambing">Kambing / Domba</option>
                            <option value="unta">Unta</option>
                        </select>
                    </div>
                    <div class="span-2 field">
                        <label>Jumlah Hewan</label>
                        <div class="input-wrap has-suffix">
                            <input type="number" id="trn_jumlah" placeholder="0" min="0" oninput="calc()">
                            <span class="input-suffix" id="trn_unit">ekor</span>
                        </div>
                    </div>
                    <div class="span-2" id="trn_info_box">
                        
                    </div>
                </div>
            </div>
        </div>

<div id="panel-fitrah" class="panel">
            <div class="panel-body">
                <div class="panel-intro">
                    <i class="fas fa-info-circle"></i>
                    <p>Zakat fitrah wajib dibayarkan sebelum shalat Idul Fitri. Besarnya <strong>2,5 kg</strong> atau <strong>3,5 liter beras</strong> (makanan pokok) per jiwa, atau senilai <strong><?= formatRupiah($fitrah_per_jiwa) ?>/jiwa</strong>.</p>
                </div>
                <div class="form-grid">
                    <div class="field">
                        <label>Jumlah Jiwa <span>(termasuk Anda)</span></label>
                        <div class="input-wrap has-suffix">
                            <input type="number" id="f_jiwa" value="1" min="1" oninput="calc()">
                            <span class="input-suffix">jiwa</span>
                        </div>
                    </div>
                    <div class="field">
                        <label>Cara Bayar</label>
                        <select id="f_mode" onchange="calc()">
                            <option value="uang">Uang (Rp)</option>
                            <option value="beras">Beras (kg)</option>
                        </select>
                    </div>
                    <div class="span-2 field-hint">
                        Harga beras: <strong><?= formatRupiah($settings['harga_beras'] ?? 0) ?>/kg</strong> &nbsp;|&nbsp;
                        Per jiwa: <strong><?= formatRupiah($fitrah_per_jiwa) ?></strong> (uang) atau <strong>2,5 kg</strong> (beras)
                    </div>
                </div>
            </div>
        </div>

<div class="result-wrap">
            <div id="result-box" class="result-box">
                <div class="result-top">
                    <div class="result-icon"><i id="result-icon" class="fas fa-hand-holding-heart"></i></div>
                    <div class="result-text">
                        <div class="result-label">Kewajiban Zakat Anda</div>
                        <div class="result-amount" id="result-amount">Rp 0</div>
                        <div class="result-detail" id="result-detail"></div>
                        <div id="result-nisab"></div>
                    </div>
                </div>
                <div class="result-bottom">
                    <span class="result-cta-text"><i class="fas fa-mosque"></i> &nbsp;Tunaikan zakat Anda sekarang melalui UPZIS PRNU Mliwang</span>
                    <a href="../index.php#donasi" class="btn-zakat"><i class="fas fa-heart"></i> Bayar Zakat</a>
                </div>
            </div>
        </div>

<div class="info-strip">
            <div class="info-card">
                <div class="info-card-value"><?= formatRupiah($settings['harga_emas'] ?? 0) ?></div>
                <div class="info-card-label">Harga Emas / gram</div>
            </div>
            <div class="info-card">
                <div class="info-card-value"><?= formatRupiah($settings['harga_beras'] ?? 0) ?></div>
                <div class="info-card-label">Harga Beras / kg</div>
            </div>
            <div class="info-card">
                <div class="info-card-value"><?= formatRupiah($nisab_tahunan) ?></div>
                <div class="info-card-label">Nisab Emas (85 gr)</div>
            </div>
        </div>

</div>
</div>

<?php 
// Definisikan path relatif agar link kembali ke index.php bekerja (karena kalkulator ada di folder pages/)
$relPath = '../'; 
include '../includes/footer_public.php'; 
?>

const fmt = new Intl.NumberFormat('id-ID', { style:'currency', currency:'IDR', minimumFractionDigits:0, maximumFractionDigits:0 });
const fmtNum = v => fmt.format(v);

let activeTab = 'penghasilan';

// ─────────────────────────────────────
//  TAB SWITCHING
// ─────────────────────────────────────
function switchTab(name) {
    activeTab = name;
    document.querySelectorAll('.tab-btn').forEach(b => b.classList.remove('active'));
    document.querySelector(`.tab-btn[onclick="switchTab('${name}')"]`).classList.add('active');
    document.querySelectorAll('.panel').forEach(p => p.classList.remove('active'));
    document.getElementById('panel-' + name).classList.add('active');
    document.getElementById('result-box').classList.remove('show');
    calc();
}

// ─────────────────────────────────────
//  RUPIAH INPUT FORMATTER
// ─────────────────────────────────────
function formatRupiahInput(el) {
    let raw = el.value.replace(/\D/g, '');       // strip non-digits
    if (raw === '') { el.value = ''; return; }
    // Insert thousands dots (ID style: 1.000.000)
    el.value = raw.replace(/\B(?=(\d{3})+(?!\d))/g, '.');
}

function getRawVal(el) {
    if (!el) return 0;
    // Strip all dots (thousands separator) then parse
    return parseFloat(el.value.replace(/\./g, '')) || 0;
}

// Bind all .rupiah-input fields
document.addEventListener('DOMContentLoaded', () => {
    document.querySelectorAll('.rupiah-input').forEach(el => {
        el.addEventListener('input', function () {
            const pos = this.selectionStart;
            const oldLen = this.value.length;
            formatRupiahInput(this);
            // Adjust cursor: dots may have shifted it
            const newLen = this.value.length;
            this.setSelectionRange(pos + (newLen - oldLen), pos + (newLen - oldLen));
            calc();
        });
    });
});

// ─────────────────────────────────────
//  HELPERS
// ─────────────────────────────────────
function getVal(id) {
    const el = document.getElementById(id);
    if (!el) return 0;
    if (el.classList.contains('rupiah-input')) return getRawVal(el);
    return parseFloat(el.value) || 0;
}
function getSelect(id) {
    const el = document.getElementById(id);
    return el ? el.value : '';
}

// ─────────────────────────────────────
//  PERTANIAN TOGGLE
// ─────────────────────────────────────
function toggleTaniMode() {
    const isUang = document.getElementById('tani_uang').checked;
    // KG mode fields
    document.getElementById('tani_input_kg').style.display       = isUang ? 'none' : '';
    document.getElementById('tani_harga_kg_wrap').style.display  = isUang ? 'none' : '';
    // Uang mode fields
    document.getElementById('tani_input_uang').style.display     = isUang ? '' : 'none';
    document.getElementById('tani_harga_wrap').style.display     = isUang ? '' : 'none';
    // Reset nisab info box when switching
    document.getElementById('tani_nisab_kg_info').style.display  = 'none';
    calc();
}

// ─────────────────────────────────────
//  TERNAK INFO TABLE
// ─────────────────────────────────────
const ternakRules = {
    sapi: {
        nisab: 30,
        unit: 'ekor',
        label: 'Sapi / Kerbau',
        table: [
            [30,  39,  '1 ekor sapi betina berumur 1 tahun (tabi\')'],
            [40,  59,  '1 ekor sapi betina berumur 2 tahun (musinnah)'],
            [60,  69,  '2 ekor tabi\''],
            [70,  79,  '1 musinnah + 1 tabi\''],
            [80,  89,  '2 musinnah'],
            [90,  99,  '3 tabi\''],
            [100, 109, '1 musinnah + 2 tabi\''],
        ]
    },
    kambing: {
        nisab: 40,
        unit: 'ekor',
        label: 'Kambing / Domba',
        table: [
            [40,  120, '1 ekor kambing/domba betina berumur 2 tahun'],
            [121, 200, '2 ekor kambing/domba'],
            [201, 300, '3 ekor kambing/domba'],
            [301, 400, '4 ekor kambing/domba'],
        ]
    },
    unta: {
        nisab: 5,
        unit: 'ekor',
        label: 'Unta',
        table: [
            [5,  9,  '1 ekor kambing/domba betina'],
            [10, 14, '2 ekor kambing/domba'],
            [15, 19, '3 ekor kambing/domba'],
            [20, 24, '4 ekor kambing/domba'],
            [25, 35, '1 ekor unta betina umur 1 thn (bint makhad)'],
            [36, 45, '1 ekor unta betina umur 2 thn (bint labun)'],
            [46, 60, '1 ekor unta betina umur 3 thn (hiqqah)'],
            [61, 75, '1 ekor unta betina umur 4 thn (jadza\'ah)'],
            [76, 90, '2 ekor bint labun'],
            [91, 120,'2 ekor hiqqah'],
        ]
    }
};

function updateTernakInfo() {
    const jenis = getSelect('trn_jenis');
    const rules = ternakRules[jenis];
    if (!rules) return;

let rows = rules.table.map(r =>
        `<tr><td>${r[0]}–${r[1]}</td><td>${r[2]}</td></tr>`
    ).join('');

document.getElementById('trn_info_box').innerHTML = `
        <table style="width:100%;border-collapse:collapse;font-size:12px;margin-top:4px;">
            <thead>
                <tr style="background:var(--emerald-pale);">
                    <th style="padding:8px 10px;text-align:left;color:var(--emerald);border-bottom:1px solid #a7f3d0;">Jumlah (ekor)</th>
                    <th style="padding:8px 10px;text-align:left;color:var(--emerald);border-bottom:1px solid #a7f3d0;">Zakat yang Dikeluarkan</th>
                </tr>
            </thead>
            <tbody>${rows}</tbody>
        </table>
        <p class="field-hint" style="margin-top:8px;">Nisab: <strong>${rules.nisab} ekor</strong>. Hewan harus digembalakan (sa'imah) dan telah dipelihara 1 tahun.</p>
    `;
}

// ─────────────────────────────────────
//  MAIN CALCULATE
// ─────────────────────────────────────
function calc() {
    let zakat = 0, detail = '', show = false, icon = 'fa-hand-holding-heart';
    let nisabOk = null; // true/false/null (no nisab check needed)

if (activeTab === 'penghasilan') {
        const total = getVal('p_gaji') + getVal('p_tunjangan') + getVal('p_bonus') + getVal('p_freelance');
        if (total > 0) {
            show = true;
            nisabOk = total >= nisabBulanan;
            zakat   = nisabOk ? total * 0.025 : 0;
            detail  = `Total pendapatan: ${fmtNum(total)} / bulan`;
            icon    = 'fa-briefcase';
        }
    }

else if (activeTab === 'maal') {
        const harta   = getVal('m_emas') + getVal('m_tabungan') + getVal('m_investasi') + getVal('m_piutang') + getVal('m_kendaraan') + getVal('m_properti');
        const hutang  = getVal('m_hutang') + getVal('m_kebutuhan');
        const bersih  = Math.max(harta - hutang, 0);
        if (harta > 0) {
            show = true;
            nisabOk = bersih >= nisabTahunan;
            zakat   = nisabOk ? bersih * 0.025 : 0;
            detail  = `Harta bersih: ${fmtNum(bersih)} | Harta: ${fmtNum(harta)}, Kewajiban: ${fmtNum(hutang)}`;
            icon    = 'fa-coins';
        }
    }

else if (activeTab === 'pertanian') {
        const isUang   = document.getElementById('tani_uang').checked;
        const kadar    = parseInt(getSelect('t_irigasi')) / 100;
        icon = 'fa-seedling';

if (isUang) {
            const nilaiPanen = getVal('t_hasil_uang');
            const hargaKg    = getVal('t_harga_kg');
            if (nilaiPanen > 0) {
                show = true;
                if (hargaKg > 0) {
                    const nisabUang = 653 * hargaKg;
                    nisabOk = nilaiPanen >= nisabUang;
                    zakat   = nisabOk ? nilaiPanen * kadar : 0;
                    detail  = `Nilai panen: ${fmtNum(nilaiPanen)} | Nisab: ${fmtNum(nisabUang)} | Kadar: ${kadar*100}%`;
                } else {
                    // harga tidak diisi, tetap hitung tanpa nisab check
                    zakat   = nilaiPanen * kadar;
                    detail  = `Nilai panen: ${fmtNum(nilaiPanen)} | Kadar: ${kadar*100}% (isi harga/kg untuk cek nisab)`;
                    nisabOk = null;
                }
            }
        } else {
            const hasilKg  = getVal('t_hasil_kg');
            const hargaKg  = getVal('t_harga_kg_mode');
            const nisabInfo = document.getElementById('tani_nisab_kg_info');
            const nisabContent = document.getElementById('tani_nisab_kg_box');

if (hasilKg > 0) {
                show    = true;
                nisabOk = hasilKg >= 653;
                const zakatKg   = nisabOk ? hasilKg * kadar : 0;
                const hargaSatuan = hargaKg > 0 ? hargaKg : (CFG.hargaBeras || 15000);
                const zakatUang = zakatKg * hargaSatuan;

if (hargaKg > 0) {
                    const nilaiPanen  = hasilKg * hargaKg;
                    const nisabRupiah = 653 * hargaKg;
                    const iconNisab   = nisabOk
                        ? `<i class="fas fa-check-circle" style="color:var(--emerald-4)"></i>`
                        : `<i class="fas fa-exclamation-circle" style="color:#f59e0b"></i>`;
                    nisabContent.style.background  = nisabOk ? 'var(--emerald-pale)' : '#fff7ed';
                    nisabContent.style.borderColor = nisabOk ? '#a7f3d0' : '#fed7aa';
                    nisabContent.style.color       = nisabOk ? 'var(--emerald-2)' : '#92400e';
                    nisabContent.innerHTML =
                        `${iconNisab} <b>${nisabOk ? 'Mencapai Nisab' : 'Belum Mencapai Nisab'}</b><br>` +
                        `Nilai panen: <b>${fmtNum(nilaiPanen)}</b> (${hasilKg} kg × ${fmtNum(hargaKg)})<br>` +
                        `Nisab 653 kg: <b>${fmtNum(nisabRupiah)}</b><br>` +
                        `Zakat: <b>${zakatKg.toFixed(1)} kg = ${fmtNum(zakatUang)}</b> &nbsp;<span style="opacity:.7;font-size:11px">(kadar ${kadar*100}%)</span>`;
                    nisabInfo.style.display = '';
                } else {
                    nisabInfo.style.display = 'none';
                }

zakat  = zakatUang;
                detail = `${hasilKg} kg panen | Zakat: ${zakatKg.toFixed(1)} kg` + (hargaKg > 0 ? ` = ${fmtNum(zakatUang)}` : ` (isi harga/kg untuk nilai uang)`);
            } else {
                if (nisabInfo) nisabInfo.style.display = 'none';
            }
        }
    }

else if (activeTab === 'perniagaan') {
        const aset   = getVal('n_stok') + getVal('n_kas') + getVal('n_piutang') + getVal('n_aset_lain');
        const hutang = getVal('n_hutang') + getVal('n_biaya');
        const bersih = Math.max(aset - hutang, 0);
        if (aset > 0) {
            show    = true;
            nisabOk = bersih >= nisabTahunan;
            zakat   = nisabOk ? bersih * 0.025 : 0;
            detail  = `Aset bersih usaha: ${fmtNum(bersih)} | Aset: ${fmtNum(aset)}, Kewajiban: ${fmtNum(hutang)}`;
            icon    = 'fa-store';
        }
    }

else if (activeTab === 'ternak') {
        const jenis  = getSelect('trn_jenis');
        const jumlah = getVal('trn_jumlah');
        icon = 'fa-horse';
        if (jumlah > 0) {
            show = true;
            const rules = ternakRules[jenis];
            nisabOk = jumlah >= rules.nisab;
            const label = getTernakZakatLabel(jenis, jumlah);
            zakat   = 0; // ternak tidak dihitung rupiah
            detail  = nisabOk
                ? `Zakat: ${label || 'Lihat tabel lanjutan'}`
                : `Belum mencapai nisab (${rules.nisab} ekor)`;
        }
    }

else if (activeTab === 'fitrah') {
        const jiwa  = getVal('f_jiwa') || 1;
        const mode  = getSelect('f_mode');
        show  = true;
        nisabOk = null;
        icon  = 'fa-moon';
        if (mode === 'uang') {
            zakat  = jiwa * 2.5 * CFG.hargaBeras;
            detail = `${jiwa} jiwa × 2,5 kg × ${fmtNum(CFG.hargaBeras)}/kg`;
        } else {
            const berasTotal = jiwa * 2.5;
            zakat  = berasTotal * CFG.hargaBeras; // shown as value
            detail = `${jiwa} jiwa × 2,5 kg = ${berasTotal} kg beras`;
        }
    }

// ── RENDER ──
    const box = document.getElementById('result-box');
    if (show) {
        box.classList.add('show');
        document.getElementById('result-icon').className = `fas ${icon}`;
        document.getElementById('result-amount').textContent = activeTab === 'ternak'
            ? (nisabOk ? 'Wajib Zakat' : 'Belum Wajib')
            : fmtNum(zakat);
        document.getElementById('result-detail').textContent = detail;

// ─────────────────────────────────────
//  INIT
// ─────────────────────────────────────
// (rupiah binders + init run in the DOMContentLoaded block above)
window.addEventListener('DOMContentLoaded', () => {
    updateTernakInfo();
    calc();
});

// Mobile Menu
function toggleMenu() {
  document.getElementById('mobileMenu').classList.toggle('open');
}
</script>
</body>
</html>

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