:root {
    --blue: #1a4a6e;
    --blue-mid: #2471a3;
    --teal: #148f77;
    --teal-light: #1abc9c;
    --orange: #d35400;
    --light-bg: #f4f6f8;
    --card-bg: #ffffff;
    --text: #2c3e50;
    --text-light: #5d6d7e;
    --border: #d5d8dc;
    --confirmed: #1e8449;
    --estimated: #b7950b;
    --warning: #e74c3c;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --radius: 10px;
    --nav-h: 64px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Segoe UI', system-ui, sans-serif; color: var(--text); background: var(--light-bg); line-height: 1.65; }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
    background: var(--blue); color: #fff; z-index: 1000;
    padding: 0 24px; box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  }
  .nav-inner {
    max-width: 800px; margin: 0 auto; height: 100%;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
  }
  .nav-brand { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.5px; white-space: nowrap; }
  .nav-brand span { color: var(--teal-light); }
  .nav-practice { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.3px; white-space: nowrap; color: #fff; text-decoration: none; transition: color 0.2s; }
  .nav-practice:hover { color: var(--teal-light); }
  .nav-practice img, .nav-icon-link img { width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0; }
  .nav-icon-link { display: inline-flex; align-items: center; }
  .nav-right { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
  .nav-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; flex-shrink: 0;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18); border-radius: 6px;
    color: #fff; font-size: 1.2rem; cursor: pointer; transition: background 0.2s;
  }
  .nav-toggle:hover { background: rgba(255,255,255,0.18); }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--blue); padding: 12px 24px; gap: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    color: rgba(255,255,255,0.85); text-decoration: none;
    padding: 10px 16px; border-radius: 6px; font-size: 0.9rem; font-weight: 500;
    transition: background 0.2s, color 0.2s;
  }
  .nav-links a:hover, .nav-links a.active { background: var(--teal); color: #fff; }

  /* ── SECTIONS ── */
  section { padding: 72px 24px 48px; min-height: auto; }
  section:first-of-type { padding-top: calc(var(--nav-h) + 48px); }
  .section-inner { max-width: 860px; margin: 0 auto; }
  .section-title {
    font-size: 1.6rem; font-weight: 800; color: var(--blue);
    margin-bottom: 8px; padding-bottom: 12px;
    border-bottom: 3px solid var(--teal); display: inline-block;
  }
  .section-intro { color: var(--text-light); margin-top: 16px; margin-bottom: 32px; font-size: 1.0rem; }

  /* ── HERO ── */
  #home { background: linear-gradient(135deg, var(--blue) 0%, #0d2d45 100%); color: #fff; padding-top: calc(var(--nav-h) + 64px); padding-bottom: 64px; }
  .hero-inner { max-width: 800px; margin: 0 auto; }
  .hero-tag { background: var(--teal); color: #fff; display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; }
  .hero-title { font-size: 2.4rem; font-weight: 900; line-height: 1.2; margin-bottom: 24px; }
  .hero-title span { color: var(--teal-light); }
  .hero-body { font-size: 1.05rem; line-height: 1.8; color: rgba(255,255,255,0.88); margin-bottom: 16px; }
  .hero-note { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 32px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 16px; }

  /* ── CARDS ── */
  .card { background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; margin-bottom: 20px; }
  .card-title { font-size: 1.05rem; font-weight: 700; color: var(--blue); margin-bottom: 8px; }

  /* ── PMB SECTION ── */
  #pmb { background: #fff; }
  .key-box { background: #eaf4fb; border-left: 4px solid var(--blue-mid); border-radius: 0 var(--radius) var(--radius) 0; padding: 20px 24px; margin-bottom: 24px; }
  .key-box h3 { font-size: 1rem; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
  .key-box p, .key-box li { font-size: 0.95rem; color: var(--text); }
  .key-box ul { padding-left: 18px; }
  .key-box li { margin-bottom: 4px; }

  /* ── FLOWCHART ── */
  .flowchart { margin: 32px 0; }
  .flow-step {
    display: flex; align-items: flex-start; gap: 16px; margin-bottom: 0;
  }
  .flow-left { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
  .flow-num {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--blue); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.9rem; flex-shrink: 0;
  }
  .flow-line { width: 2px; background: var(--border); flex: 1; min-height: 28px; margin: 4px 0; }
  .flow-content { padding: 4px 0 28px; flex: 1; }
  .flow-content h4 { font-size: 0.95rem; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
  .flow-content p { font-size: 0.88rem; color: var(--text-light); }
  .flow-step:last-child .flow-line { display: none; }
  .flow-step:last-child .flow-content { padding-bottom: 0; }
  .flow-num.success { background: var(--confirmed); }

  /* ── SCHEME SELECTOR ── */
  #scheme { background: var(--light-bg); }
  .selector-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
  .selector-group { flex: 1; min-width: 200px; }
  .selector-group label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
  .selector-group select {
    width: 100%; padding: 12px 16px; border: 2px solid var(--border);
    border-radius: 8px; font-size: 0.95rem; color: var(--text);
    background: #fff; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232c3e50' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
    cursor: pointer; transition: border-color 0.2s;
  }
  .selector-group select:focus { outline: none; border-color: var(--blue-mid); }
  #plan-group { display: none; }

  .benefit-card { display: none; }
  .benefit-card.active { display: block; }
  .benefit-header {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
  }
  .scheme-name { font-size: 1.1rem; font-weight: 800; color: var(--blue); }
  .plan-name { font-size: 0.85rem; color: var(--text-light); margin-top: 2px; }
  .confirmed-badge, .estimated-badge {
    font-size: 0.72rem; font-weight: 700; padding: 4px 10px;
    border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap;
  }
  .confirmed-badge { background: #d5f5e3; color: var(--confirmed); }
  .estimated-badge { background: #fef9e7; color: var(--estimated); }

  .benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 20px; }
  .benefit-item { background: var(--light-bg); border-radius: 8px; padding: 16px; border: 1px solid var(--border); }
  .benefit-item .bi-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); margin-bottom: 4px; }
  .benefit-item .bi-value { font-size: 1.05rem; font-weight: 800; color: var(--blue); }
  .benefit-item .bi-note { font-size: 0.78rem; color: var(--text-light); margin-top: 4px; }
  .benefit-item.highlight { background: #eafaf1; border-color: var(--teal); }
  .benefit-item.highlight .bi-value { color: var(--confirmed); }
  .benefit-item.warn { background: #fef5e4; border-color: #f0b429; }
  .benefit-item.warn .bi-value { color: var(--orange); }
  .benefit-item.alert { background: #fdf0ee; border-color: var(--warning); }
  .benefit-item.alert .bi-value { color: var(--warning); }

  .key-facts-list { margin-top: 16px; }
  .key-facts-list h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); margin-bottom: 10px; }
  .key-facts-list ul { list-style: none; padding: 0; }
  .key-facts-list li { font-size: 0.88rem; padding: 8px 0; border-bottom: 1px solid var(--border); display: flex; gap: 8px; }
  .key-facts-list li:last-child { border-bottom: none; }
  .key-facts-list li::before { content: "→"; color: var(--teal); font-weight: 700; flex-shrink: 0; }

  .contact-row { margin-top: 20px; background: var(--blue); color: #fff; border-radius: 8px; padding: 16px 20px; display: flex; gap: 24px; flex-wrap: wrap; }
  .contact-item { font-size: 0.85rem; }
  .contact-item span { color: rgba(255,255,255,0.6); display: block; font-size: 0.75rem; margin-bottom: 2px; }
  .contact-item strong { color: #fff; }

  .last-confirmed { font-size: 0.75rem; color: var(--text-light); margin-top: 14px; text-align: right; }

  .prompt-box { text-align: center; padding: 48px 24px; color: var(--text-light); }
  .prompt-box .prompt-icon { font-size: 3rem; margin-bottom: 12px; }
  .prompt-box p { font-size: 0.95rem; }

  /* ── GEMS TABLE ── */
  .gems-table-wrap { overflow-x: auto; margin: 16px 0; }
  .gems-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
  .gems-table th { background: var(--blue); color: #fff; padding: 10px 14px; text-align: left; font-size: 0.8rem; }
  .gems-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
  .gems-table tr:last-child td { border-bottom: none; }
  .gems-table tr:nth-child(even) td { background: #f8f9fa; }
  .gems-bar { height: 8px; background: var(--teal); border-radius: 4px; display: block; margin-top: 6px; }

  /* ── LOGO STRIP ── */
  .logo-strip { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 20px 0 28px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
  .logo-row { display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap; }
  .logo-item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
  .logo-item a { display: flex; align-items: center; justify-content: center; width: 110px; height: 52px; }
  .logo-item img { max-width: 100px; max-height: 48px; width: auto; height: auto; object-fit: contain; filter: grayscale(20%); transition: filter 0.2s; }
  .logo-item img:hover { filter: grayscale(0%); }
  .logo-badge { display: inline-flex; align-items: center; justify-content: center; padding: 6px 12px; border-radius: 6px; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.5px; text-transform: uppercase; text-decoration: none; width: 100px; height: 48px; text-align: center; line-height: 1.2; }

  /* ── BAR CHART ── */
  .chart-wrap { margin: 28px 0; }
  .chart-title { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); margin-bottom: 16px; }
  .chart-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
  .chart-label { width: 120px; font-size: 0.82rem; color: var(--text); text-align: right; flex-shrink: 0; }
  .chart-bar-wrap { flex: 1; background: var(--border); border-radius: 4px; height: 24px; overflow: hidden; position: relative; }
  .chart-bar { height: 100%; border-radius: 4px; background: var(--blue-mid); transition: width 0.8s ease; display: flex; align-items: center; padding-left: 8px; }
  .chart-bar.teal { background: var(--teal); }
  .chart-bar.orange { background: var(--orange); }
  .chart-bar-val { font-size: 0.75rem; font-weight: 700; color: #fff; white-space: nowrap; }

  /* ── FUNDING ── */
  #funding { background: #fff; }
  .funding-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 24px; }
  .funding-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; background: var(--card-bg); }
  .funding-card .fc-icon { font-size: 1.6rem; margin-bottom: 10px; }
  .funding-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--blue); margin-bottom: 8px; }
  .funding-card p { font-size: 0.85rem; color: var(--text-light); line-height: 1.6; }
  .funding-card .fc-contact { margin-top: 10px; font-size: 0.8rem; color: var(--teal); font-weight: 600; }
  .funding-card.public { border-left: 4px solid var(--estimated); }
  .public-note { background: #fef9e7; border: 1px solid #f0b429; border-radius: 8px; padding: 14px 18px; margin-top: 20px; font-size: 0.88rem; color: var(--text); }
  .public-note strong { color: var(--orange); }

  /* ── APPEALS / COMPLAINTS ── */
  #appeals { background: var(--light-bg); }
  .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 24px 0; }
  .stat-card { background: var(--card-bg); border-radius: var(--radius); padding: 22px 18px; text-align: center; box-shadow: var(--shadow); border-top: 4px solid var(--blue); }
  .stat-card .stat-num { font-size: 2.2rem; font-weight: 900; color: var(--blue); line-height: 1; }
  .stat-card .stat-label { font-size: 0.78rem; color: var(--text-light); margin-top: 6px; line-height: 1.4; }
  .stat-card.teal { border-top-color: var(--teal); }
  .stat-card.teal .stat-num { color: var(--teal); }
  .stat-card.orange { border-top-color: var(--orange); }
  .stat-card.orange .stat-num { color: var(--orange); }
  .causes-block { margin-top: 28px; }
  .causes-block h3 { font-size: 0.95rem; font-weight: 700; color: var(--blue); margin-bottom: 16px; }
  .cause-bar-row { margin-bottom: 14px; }
  .cause-label { font-size: 0.85rem; color: var(--text); margin-bottom: 4px; display: flex; justify-content: space-between; }
  .cause-track { height: 12px; background: var(--border); border-radius: 6px; overflow: hidden; }
  .cause-fill { height: 100%; border-radius: 6px; background: var(--blue-mid); }
  .cause-fill.teal { background: var(--teal); }
  .cause-fill.orange { background: var(--orange); }
  .stat-source { font-size: 0.75rem; color: var(--text-light); margin-top: 20px; font-style: italic; }

  /* ── SUPPORT ── */
  #support { background: #fff; }
  .support-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 24px; }
  .support-card { border-radius: var(--radius); padding: 24px; }
  .support-card.personal { background: linear-gradient(135deg, var(--blue) 0%, #0d2d45 100%); color: #fff; }
  .support-card.personal h3 { color: var(--teal-light); font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
  .support-card.personal p { font-size: 0.88rem; color: rgba(255,255,255,0.82); line-height: 1.7; margin-bottom: 16px; }
  .support-card.contact { background: var(--light-bg); border: 1px solid var(--border); }
  .support-card.contact h3 { font-size: 1rem; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
  .btn-link {
    display: inline-block; padding: 10px 20px; border-radius: 6px;
    font-size: 0.85rem; font-weight: 700; text-decoration: none;
    transition: opacity 0.2s; margin-right: 8px; margin-bottom: 8px;
  }
  .btn-teal { background: var(--teal); color: #fff; }
  .btn-blue { background: var(--blue-mid); color: #fff; }
  .btn-youtube { background: #cc0000; color: #fff; border-bottom: 3px solid #fff; }
  .btn-green { background: #27ae60; color: #fff; border-bottom: 3px solid #58d68d; }
  .btn-ossur { background: #0076BB; color: #fff; border-bottom: 3px solid #F5BC47; }
  .btn-link:hover { opacity: 0.85; }
  .btn-block { display: flex; align-items: center; justify-content: center; text-align: center; margin-right: 0; min-height: 60px; }
  .contact-table { width: 100%; font-size: 0.84rem; border-collapse: collapse; }
  .contact-table tr td { padding: 8px 4px; border-bottom: 1px solid var(--border); }
  .contact-table tr:last-child td { border-bottom: none; }
  .contact-table td:first-child { font-weight: 600; color: var(--blue); width: 50%; }

  /* ── FOOTER ── */
  footer { background: #0d1f2d; color: rgba(255,255,255,0.6); padding: 32px 24px; text-align: center; font-size: 0.8rem; line-height: 1.8; }
  footer a { color: var(--teal-light); text-decoration: none; }

  /* ── SPLASH ── */
  #splash {
    position: fixed; inset: 0; z-index: 9999;
    background: linear-gradient(135deg, #1a4a6e 0%, #0d2d45 100%);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.45s ease-out;
  }
  #splash.splash-hidden { opacity: 0; pointer-events: none; }
  .splash-inner { display: flex; flex-direction: column; align-items: center; gap: 28px; padding: 0 32px; text-align: center; }
  .splash-icon {
    width: 120px; height: 120px; border-radius: 26px;
    box-shadow: 0 16px 32px rgba(0,0,0,0.3);
    opacity: 0; transform: scale(0.6);
    transition: opacity 0.4s ease-out, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .splash-icon.splash-visible { opacity: 1; transform: scale(1); }
  .splash-text { font-size: 1.5rem; font-weight: 800; min-height: 76px; }
  .splash-line1 { color: #fff; }
  .splash-line2 { color: var(--teal-light); margin-top: 8px; }
  .splash-cursor { display: inline-block; width: 2px; height: 1.05em; background: currentColor; vertical-align: text-bottom; margin-left: 2px; animation: splash-blink 0.5s step-end infinite; }
  @keyframes splash-blink { 50% { opacity: 0; } }

  /* ── AI ASSISTANT ── */
  .ai-fab {
    position: fixed; right: 24px; bottom: 24px; z-index: 1400;
    width: 56px; height: 56px; border-radius: 50%; border: none;
    background: var(--teal); color: #fff; cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
    box-shadow: 0 6px 18px rgba(0,0,0,0.28);
    transition: transform 0.15s ease-out, background 0.2s;
  }
  .ai-fab:hover { background: var(--teal-light); transform: scale(1.06); }
  .ai-fab.ai-hidden { display: none; }

  .ai-backdrop {
    position: fixed; inset: 0; z-index: 1450; background: rgba(13,31,45,0.5);
    opacity: 0; pointer-events: none; transition: opacity 0.2s;
  }
  .ai-backdrop.ai-open { opacity: 1; pointer-events: auto; }

  .ai-panel {
    position: fixed; z-index: 1460;
    right: 24px; bottom: 24px; width: 380px; max-width: calc(100vw - 32px);
    height: 600px; max-height: calc(100vh - 48px);
    background: var(--card-bg); border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    display: flex; flex-direction: column; overflow: hidden;
    opacity: 0; transform: translateY(16px) scale(0.98); pointer-events: none;
    transition: opacity 0.2s ease-out, transform 0.2s ease-out;
  }
  .ai-panel.ai-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

  .ai-panel-header {
    background: var(--blue); color: #fff; padding: 14px 16px;
    display: flex; align-items: center; justify-content: space-between; flex-shrink: 0;
  }
  .ai-panel-title { display: flex; align-items: center; gap: 10px; }
  .ai-panel-icon { width: 34px; height: 34px; border-radius: 8px; flex-shrink: 0; }
  .ai-panel-name { font-weight: 700; font-size: 0.95rem; }
  .ai-panel-sub { font-size: 0.72rem; color: rgba(255,255,255,0.65); }
  .ai-panel-actions { display: flex; align-items: center; gap: 4px; }
  .ai-icon-btn {
    background: none; border: none; color: rgba(255,255,255,0.85); cursor: pointer;
    width: 30px; height: 30px; border-radius: 6px; font-size: 0.95rem;
    display: flex; align-items: center; justify-content: center; transition: background 0.15s;
  }
  .ai-icon-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }

  .ai-panel-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }

  .ai-welcome-text { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; margin-bottom: 12px; }
  .ai-suggestions { display: flex; flex-direction: column; gap: 8px; }
  .ai-suggestion {
    text-align: left; background: #eaf6f2; border: none; border-radius: 8px;
    color: var(--teal); font-size: 0.85rem; padding: 10px 12px; cursor: pointer;
    transition: background 0.15s;
  }
  .ai-suggestion:hover { background: #d9f0e9; }

  .ai-messages { display: flex; flex-direction: column; gap: 10px; }
  .ai-bubble-row { display: flex; }
  .ai-bubble-row.ai-user { justify-content: flex-end; }
  .ai-bubble {
    max-width: 82%; padding: 9px 13px; border-radius: 16px; font-size: 0.88rem; line-height: 1.5;
    white-space: pre-wrap;
  }
  .ai-bubble-row.ai-user .ai-bubble { background: var(--blue-mid); color: #fff; }
  .ai-bubble-row.ai-assistant .ai-bubble { background: var(--light-bg); color: var(--text); }

  .ai-typing { display: flex; gap: 4px; padding: 10px 13px; background: var(--light-bg); border-radius: 16px; width: fit-content; }
  .ai-typing span {
    width: 6px; height: 6px; border-radius: 50%; background: #9aa5b1;
    animation: ai-bounce 1s infinite ease-in-out;
  }
  .ai-typing span:nth-child(2) { animation-delay: 0.15s; }
  .ai-typing span:nth-child(3) { animation-delay: 0.3s; }
  @keyframes ai-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-4px); opacity: 1; } }

  .ai-error { background: #fdecea; color: #b0392b; font-size: 0.8rem; padding: 10px 12px; border-radius: 8px; }

  .ai-panel-input { border-top: 1px solid var(--border); padding: 10px; display: flex; align-items: flex-end; gap: 8px; flex-shrink: 0; }
  .ai-panel-input textarea {
    flex: 1; resize: none; border: 1px solid var(--border); border-radius: 18px;
    padding: 9px 14px; font-family: inherit; font-size: 0.88rem; max-height: 100px;
    outline: none;
  }
  .ai-panel-input textarea:focus { border-color: var(--blue-mid); }
  .ai-send-btn {
    width: 36px; height: 36px; border-radius: 50%; border: none; flex-shrink: 0;
    background: var(--teal); color: #fff; cursor: pointer; font-size: 1rem;
    display: flex; align-items: center; justify-content: center; transition: background 0.15s;
  }
  .ai-send-btn:disabled { background: #b7c2cc; cursor: default; }
  .ai-send-btn:not(:disabled):hover { background: var(--teal-light); }

  /* ── MOBILE ── */
  @media (max-width: 680px) {
    nav { padding: 0 16px; }
    .nav-brand { font-size: 0.85rem; }
    .nav-practice { display: none; }
    .hero-title { font-size: 1.7rem; }
    .selector-row { flex-direction: column; }
    .chart-label { width: 80px; font-size: 0.75rem; }
    section { padding: 56px 16px 36px; }
    .splash-icon { width: 96px; height: 96px; border-radius: 21px; }
    .splash-text { font-size: 1.2rem; }
    .ai-panel {
      right: 0; bottom: 0; left: 0; top: 0; width: 100%; max-width: 100%; height: 100%; max-height: 100%;
      border-radius: 0;
    }
    .ai-fab { right: 16px; bottom: 88px; }
  }