:root{
  --teal:#3AA89D;--teal-d:#267D74;--teal-xd:#1A5C55;--teal-l:#E2F6F4;--teal-mid:#9FDBD7;
  --bg:#F4F9F8;--bg2:#EDF6F5;--card:#FFFFFF;--border:#C8E6E3;
  --text:#0F2826;--text2:#3A5854;--text3:#7A9B98;
  --gold:#e8a020;--gold-l:#fdf3dc;
  --red:#e05c3a;--red-l:#fdf0ec;
  --blue:#2980c0;--blue-l:#e8f2fc;
  --green:#2a9d6e;--green-l:#e4f7ef;
  --amber:#e8a020;--amber-l:#fdf3dc;
  --r:14px;--rs:8px;--sh:0 2px 16px rgba(26,92,85,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;font-family:'Outfit',sans-serif}
html.sz-md{font-size:18px}
html.sz-lg{font-size:20px}

/* ── Dark mode defense (all 3 layers) ───────────────────────── */
html,body{color-scheme:light only!important;forced-color-adjust:none!important}
@media(prefers-color-scheme:dark){
  html,body{background-color:#F4F9F8!important;color:#0F2826!important}
  td,th,.card{background:#fff!important;color:#0F2826!important}
  tr:hover td{background:#f0faf8!important}
  th{background:#1A5C55!important;color:#fff!important}
  .hero{background:linear-gradient(135deg,#1A5C55 0%,#267D74 50%,#3AA89D 100%)!important}
  .hero,.hero h1,.hero p,.hero-sub,.hero-stat-lbl{color:#fff!important}
  .hero-stat-val{color:#7EEAE5!important}
  .btn-hero{color:#1A5C55!important;background:#ffffff!important}
  input,select,textarea{background:#fff!important;color:#0F2826!important;border-color:#C8E6E3!important}
  .lang-bar{background:#1A5C55!important}
  .nav{background:rgba(244,249,248,.97)!important}
  .campus-card{background:#fff!important}
  .course-table th{background:#1A5C55!important;color:#fff!important}
  .course-table td{background:#fff!important;color:#0F2826!important}
  .course-table tbody tr:nth-child(even) td{background:#f5faf9!important}
  .gpa-display-box{background:#fff!important}
  .meter-bar-bg{background:#d0e8e6!important}
}

body{background:radial-gradient(ellipse 80% 40% at 15% 20%,rgba(165,218,213,.18) 0%,transparent 70%),radial-gradient(ellipse 60% 35% at 85% 75%,rgba(180,225,215,.14) 0%,transparent 65%),#F4F9F8;color:var(--text);min-height:100vh}

/* ── Top bar ─────────────────────────────────────────────────── */
.lang-bar{background:var(--teal-xd);color:#fff;display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:5px 16px;font-size:.8em}
.lang-btn{background:transparent;color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:2px 10px;cursor:pointer;font-size:.9em;font-family:'Outfit',sans-serif;transition:all .18s}
.lang-btn.active{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.55)}
.sz-ctrl{display:flex;align-items:center;gap:4px;margin-right:6px}
.sz-btn{background:transparent;color:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.2);border-radius:11px;padding:2px 8px;cursor:pointer;font-size:.82em;font-family:'Outfit',sans-serif;transition:all .18s}
.sz-btn.active{color:#fff;border-color:rgba(255,255,255,.55)}

/* ── Nav ──────────────────────────────────────────────────────── */
.nav{position:sticky;top:0;z-index:100;background:rgba(244,249,248,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;height:56px;gap:6px;padding:0 12px 0 16px}
.nav-brand{font-family:'Playfair Display',serif;font-weight:700;font-size:.95em;color:var(--teal-xd);white-space:nowrap;text-decoration:none;flex-shrink:0}
.nav-brand span{color:var(--teal)}
.nav-cta{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-d) 100%);color:#fff;border:none;border-radius:18px;padding:6px 14px;font-size:.786em;font-weight:700;flex-shrink:0;cursor:pointer;font-family:'Outfit',sans-serif;box-shadow:0 2px 10px rgba(26,92,82,.3);text-decoration:none;margin-left:auto}
.nav-back{background:var(--teal-l);color:var(--teal-d);border:none;border-radius:18px;padding:6px 12px;font-size:.78em;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;text-decoration:none;flex-shrink:0}

/* ── Bilingual ────────────────────────────────────────────────── */
.zh{display:inline}.en{display:none}
div.zh,p.zh,li.zh,h1.zh,h2.zh,h3.zh,h4.zh,span.zh{display:inline}
div.zh{display:block}div.en{display:none}
body.en-mode .zh{display:none!important}
body.en-mode .en{display:inline!important}
body.en-mode div.en{display:block!important}
body.en-mode div.zh{display:none!important}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero{background:linear-gradient(135deg,#1A5C55 0%,#267D74 50%,#3AA89D 100%);padding:40px 20px 36px;text-align:center}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(1.5rem,4vw,2.4rem);font-weight:900;color:#fff;margin-bottom:10px;line-height:1.2}
.hero-accent{color:#7EEAE5}
.hero-sub{color:rgba(255,255,255,.88);font-size:clamp(.88rem,2vw,1rem);max-width:560px;margin:0 auto 24px;line-height:1.65}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn-hero{background:#fff;color:#1A5C55;border:none;border-radius:20px;padding:10px 22px;font-weight:700;font-size:.9em;cursor:pointer;font-family:'Outfit',sans-serif;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.btn-hero:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.btn-hero-out{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.65);border-radius:20px;padding:10px 22px;font-weight:700;font-size:.9em;cursor:pointer;font-family:'Outfit',sans-serif;transition:all .15s;text-decoration:none;display:inline-block}
.btn-hero-out:hover{background:rgba(255,255,255,.12)}

/* ── Section ──────────────────────────────────────────────────── */
.section{max-width:920px;margin:0 auto;padding:28px 16px}
.section-title{font-family:'Playfair Display',serif;font-size:1.4em;font-weight:700;color:var(--teal-xd);margin-bottom:6px}
.section-sub{color:var(--text2);font-size:.88em;margin-bottom:20px}
h3.sub{font-size:1em;font-weight:700;color:var(--teal-d);margin:20px 0 10px;display:flex;align-items:center;gap:7px}
h3.sub::before{content:'';width:3px;height:16px;background:var(--teal);border-radius:2px;flex-shrink:0}

/* ── Tip / Warn ───────────────────────────────────────────────── */
.tip{background:var(--teal-l);border-left:3px solid var(--teal);border-radius:0 var(--rs) var(--rs) 0;padding:12px 14px;font-size:.87em;color:var(--text2);margin:14px 0;line-height:1.65}
.tip strong{color:var(--teal-d)}
.warn{background:var(--gold-l);border-left:3px solid var(--gold);border-radius:0 var(--rs) var(--rs) 0;padding:12px 14px;font-size:.87em;color:var(--text2);margin:14px 0;line-height:1.65}
.warn strong{color:#8a5800}

/* ── Unit toggle ──────────────────────────────────────────────── */
.unit-toggle{display:inline-flex;border:1.5px solid var(--border);border-radius:22px;overflow:hidden;margin-bottom:18px;background:#fff}
.unit-btn{background:transparent;border:none;padding:7px 18px;font-size:.85em;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;color:var(--text2);transition:all .18s}
.unit-btn.active{background:var(--teal);color:#fff}

/* ── Course table ─────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r);border:1px solid var(--border);box-shadow:var(--sh);background:#fff;margin-bottom:14px}
.course-table{width:100%;border-collapse:collapse;min-width:560px;font-size:.88em}
.course-table th{background:#1A5C55;color:#fff;padding:10px 12px;font-weight:600;text-align:left;font-size:.82em;white-space:nowrap}
.course-table td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
.course-table tr:last-child td{border-bottom:none}
.course-table tbody tr:nth-child(even) td{background:#f8fdfc}
.course-table tbody tr:hover td{background:var(--teal-l)}
.course-table input[type="text"]{border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:.9em;font-family:'Outfit',sans-serif;color:var(--text);width:100%;background:#fff;outline:none;transition:border-color .2s;min-width:90px}
.course-table input[type="text"]:focus{border-color:var(--teal)}
.course-table input[type="number"]{border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:.9em;font-family:'Outfit',sans-serif;color:var(--text);width:62px;background:#fff;outline:none;transition:border-color .2s;text-align:center}
.course-table input[type="number"]:focus{border-color:var(--teal)}
.course-table select{border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:.9em;font-family:'Outfit',sans-serif;color:var(--text);background:#fff;outline:none;cursor:pointer;transition:border-color .2s}
.course-table select:focus{border-color:var(--teal)}
.course-table input[type="checkbox"]{width:16px;height:16px;cursor:pointer;accent-color:var(--teal)}
.del-btn{background:none;border:none;color:#ccc;font-size:1.1em;cursor:pointer;padding:2px 6px;border-radius:6px;transition:color .15s,background .15s;line-height:1}
.del-btn:hover{color:var(--red);background:var(--red-l)}

/* ── Table action buttons ─────────────────────────────────────── */
.tbl-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.btn-add{background:var(--teal-l);color:var(--teal-d);border:1.5px solid var(--teal-mid);border-radius:18px;padding:7px 16px;font-size:.85em;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;transition:all .18s}
.btn-add:hover{background:var(--teal);color:#fff}
.btn-sample{background:#fff;color:var(--text2);border:1.5px solid var(--border);border-radius:18px;padding:7px 16px;font-size:.85em;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;transition:all .18s}
.btn-sample:hover{border-color:var(--teal);color:var(--teal-d)}
.btn-clear{background:#fff;color:var(--red);border:1.5px solid #fcc;border-radius:18px;padding:7px 16px;font-size:.85em;font-weight:600;cursor:pointer;font-family:'Outfit',sans-serif;transition:all .18s}
.btn-clear:hover{background:var(--red-l)}

/* ── GPA display ──────────────────────────────────────────────── */
.gpa-display-box{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:22px 24px;box-shadow:var(--sh);margin-bottom:20px}
.gpa-stats-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.gpa-stat{flex:1;min-width:100px;text-align:center;background:var(--teal-l);border-radius:var(--rs);padding:14px 10px}
.gpa-stat .val{font-family:'Playfair Display',serif;font-size:1.8em;font-weight:700;color:var(--teal-d);line-height:1}
.gpa-stat .lbl{font-size:.72em;color:var(--text2);margin-top:5px;line-height:1.4}
.gpa-stat.gpa-main{background:linear-gradient(135deg,var(--teal-xd),var(--teal-d));border-radius:var(--rs);padding:16px 10px}
.gpa-stat.gpa-main .val{color:#7EEAE5;font-size:2.2em}
.gpa-stat.gpa-main .lbl{color:rgba(255,255,255,.8)}

/* ── GPA Meter ────────────────────────────────────────────────── */
.meter-wrap{margin:4px 0 6px}
.meter-label-row{display:flex;justify-content:space-between;font-size:.72em;color:var(--text3);margin-bottom:4px}
.meter-bar-bg{background:#e0efed;border-radius:8px;height:18px;position:relative;overflow:visible}
.meter-bar-fill{height:100%;border-radius:8px;transition:width .5s cubic-bezier(.4,0,.2,1);background:linear-gradient(90deg,var(--green) 0%,var(--teal) 60%,var(--teal-d) 100%);position:relative;min-width:0}
.meter-marker{position:absolute;top:-6px;width:2px;background:rgba(0,0,0,.25);height:30px;z-index:2}
.meter-marker-lbl{position:absolute;top:26px;font-size:.65em;color:var(--text3);transform:translateX(-50%);white-space:nowrap}
.meter-needle{position:absolute;top:-4px;width:3px;height:26px;background:var(--teal-xd);border-radius:2px;transform:translateX(-50%);transition:left .5s cubic-bezier(.4,0,.2,1);z-index:3}
.meter-needle::after{content:'▲';position:absolute;bottom:-14px;left:50%;transform:translateX(-50%);font-size:.6em;color:var(--teal-xd)}

/* ── Campus eligibility cards ─────────────────────────────────── */
.campus-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-bottom:20px}
.campus-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r);padding:18px;box-shadow:var(--sh);transition:border-color .2s,box-shadow .2s}
.campus-card.qualify{border-color:var(--green)}
.campus-card.close{border-color:var(--amber)}
.campus-card.no-qualify{border-color:#ddd;opacity:.75}
.campus-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:10px}
.campus-name-blk .cn{font-weight:700;font-size:.98em;color:var(--text);margin-bottom:2px}
.campus-name-blk .loc{font-size:.74em;color:var(--text3)}
.status-badge{border-radius:20px;padding:4px 12px;font-size:.78em;font-weight:700;flex-shrink:0;margin-left:8px;white-space:nowrap}
.status-badge.q{background:var(--green-l);color:#1a6b44}
.status-badge.c{background:var(--amber-l);color:#8a5800}
.status-badge.n{background:#f0f0f0;color:#888}
.campus-gpa-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.campus-gpa-pill{background:var(--teal-l);color:var(--teal-d);border-radius:6px;padding:3px 10px;font-size:.82em;font-weight:700}
.campus-gpa-diff{font-size:.8em}
.diff-pos{color:var(--green);font-weight:600}
.diff-neg{color:var(--red);font-weight:600}
.diff-close{color:var(--amber);font-weight:600}
.campus-note{font-size:.78em;color:var(--text3);line-height:1.5}
.campus-units-row{font-size:.77em;color:var(--text2);margin-top:6px;display:flex;align-items:center;gap:5px}
.units-ok{color:var(--green)}
.units-no{color:var(--red)}

/* ── Smart Tips ───────────────────────────────────────────────── */
.tips-box{background:var(--teal-l);border:1px solid var(--teal-mid);border-radius:var(--r);padding:20px;margin-bottom:24px}
.tips-box h3{font-size:.95em;font-weight:700;color:var(--teal-xd);margin-bottom:12px}
.tip-item{display:flex;gap:9px;align-items:flex-start;margin-bottom:9px;font-size:.86em;color:var(--text2);line-height:1.6}
.tip-item:last-child{margin-bottom:0}
.tip-icon{flex-shrink:0;font-size:1em;margin-top:1px}

/* ── Contact ──────────────────────────────────────────────────── */
.contact-hero{background:linear-gradient(135deg,#1A5C55,#267D74);color:#fff;border-radius:var(--r);padding:32px 24px;text-align:center;margin-bottom:20px}
.contact-hero h2{font-family:'Playfair Display',serif;font-size:1.4em;margin-bottom:8px;color:#fff}
.contact-hero p{color:rgba(255,255,255,.85);margin-bottom:20px;font-size:.9em;line-height:1.6}
.cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cta-btn{background:#fff;color:#1A5C55;border:none;border-radius:20px;padding:10px 22px;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;font-size:.9em;text-decoration:none;display:inline-block;transition:transform .15s}
.cta-btn:hover{transform:translateY(-1px)}
.cta-btn-out{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);border-radius:20px;padding:10px 22px;font-weight:700;cursor:pointer;font-family:'Outfit',sans-serif;font-size:.9em;text-decoration:none;display:inline-block;transition:all .15s}
.cta-btn-out:hover{background:rgba(255,255,255,.1)}

/* ── Disclaimer ───────────────────────────────────────────────── */
.disclaimer{text-align:center;font-size:.75em;color:var(--text3);padding:20px 16px 32px;border-top:1px solid var(--border);margin-top:32px;line-height:1.6}

/* ── Grade table info ─────────────────────────────────────────── */
.grade-ref-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--rs);border:1px solid var(--border);margin-top:14px}
.grade-ref{width:100%;border-collapse:collapse;font-size:.83em;min-width:400px;background:#fff}
.grade-ref th{background:#1A5C55;color:#fff;padding:8px 12px;font-weight:600;text-align:center}
.grade-ref td{padding:7px 12px;border-bottom:1px solid var(--border);text-align:center;color:var(--text)}
.grade-ref tr:last-child td{border-bottom:none}
.grade-ref tbody tr:nth-child(even) td{background:#f8fdfc}

/* ── Back to top ──────────────────────────────────────────────── */
#btt{position:fixed;right:16px;bottom:24px;z-index:198;width:44px;height:44px;border-radius:50%;background:rgba(58,168,157,.82);backdrop-filter:blur(8px);color:#fff;font-size:18px;display:none;align-items:center;justify-content:center;border:none;cursor:pointer;opacity:0;transition:opacity .25s ease;box-shadow:0 2px 12px rgba(26,92,85,.3)}

@media(max-width:600px){
  .hero{padding:32px 14px 28px}
  .section{padding:20px 12px}
  .gpa-stats-row{gap:10px}
  .campus-grid{grid-template-columns:1fr}
  .tbl-actions{gap:6px}
}
/* ── Tool strip ── */
.tool-strip{background:#EDF6F5;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:4px;padding:4px 12px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;flex-shrink:0}
.tool-strip::-webkit-scrollbar{display:none}
.ts-home{background:var(--teal-xd);color:#fff!important;border-radius:6px;padding:3px 10px;font-size:.74em;font-weight:700;text-decoration:none;flex-shrink:0;white-space:nowrap;transition:opacity .15s}
.ts-home:hover{opacity:.85}
.ts-link{color:var(--text2);font-size:.74em;font-weight:600;text-decoration:none;padding:3px 10px;border-radius:6px;white-space:nowrap;transition:all .15s;border:1px solid transparent;flex-shrink:0}
.ts-link:hover{background:var(--teal-l);color:var(--teal-d);border-color:var(--border)}
.ts-link.active{background:var(--teal);color:#fff!important;border-color:var(--teal)}
@media(prefers-color-scheme:dark){
  .tool-strip{background:#EDF6F5!important;border-bottom-color:var(--border)!important}
  .ts-link{color:var(--text2)!important}
  .ts-link.active{background:var(--teal)!important;color:#fff!important}
}