:root{
  /* Sunset Cove — warm sand + ocean teal + sunset gold */
  --ink:#1f3540;           /* deep tide */
  --ink-soft:#5a7280;
  --parchment:#f6efe2;     /* warm sand (page) */
  --parchment-deep:#ecdfca;/* wet sand (bars) */
  --card:#fffdf8;
  --rule:#e3d5bd;
  --accent:#1f7a8c;        /* ocean teal (primary) */
  --accent-soft:#d9edef;   /* pale surf wash */
  --gold:#e08a3c;          /* sunset gold, used sparingly */
  --danger:#b3402f;
  --sea-deep:#0e5461;      /* deep ocean */
  --surf:#57b6cf;          /* bright surf */
  --sunset:#e8734a;        /* sunset coral */
  --shadow:0 1px 2px rgba(20,40,50,.06),0 8px 24px rgba(20,40,50,.08);
  --radius:12px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
/* Per-page sea-life wash: a fixed photo behind the content, under a sand scrim
   so cards and text stay perfectly readable. Set --page-photo per active tab. */
#pageBg{position:fixed;inset:0;z-index:-1;background-color:var(--parchment);
  background-image:
    linear-gradient(180deg,rgba(246,239,226,.80) 0%,rgba(246,239,226,.88) 60%,rgba(236,223,202,.92) 100%),
    var(--page-photo,none);
  background-size:cover;background-position:center;background-repeat:no-repeat}
body{
  font-family:"Newsreader",Georgia,serif;
  color:var(--ink);
  background:var(--parchment);
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
.hidden{display:none!important}

/* ---------- gate ---------- */
.gate{min-height:100dvh;display:grid;place-items:center;padding:24px;position:relative;overflow:hidden;
  background:var(--sea-deep)}
.gate::before{content:"";position:absolute;inset:0;z-index:0;
  background-image:var(--gate-bg,none);background-size:cover;background-position:center;
  animation:gate-zoom 18s ease-out both}
.gate::after{content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(14,84,97,.25) 0%,rgba(14,84,97,.55) 55%,rgba(11,45,55,.78) 100%)}
@keyframes gate-zoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.gate-card{position:relative;z-index:1;background:rgba(255,253,248,.9);backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.55);border-radius:18px;
  box-shadow:0 12px 40px rgba(9,30,38,.35);padding:36px 28px;width:100%;max-width:360px;text-align:center}
.gate-credit{position:absolute;right:12px;bottom:10px;z-index:1;font-size:11px;letter-spacing:.02em;
  color:rgba(255,255,255,.72)}
.gate-credit a{color:rgba(255,255,255,.9);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.gate-credit a:hover{color:#fff}
.wordmark{font-family:"Fraunces",serif;font-weight:700;font-size:30px;line-height:1;margin:0 0 4px;
  letter-spacing:.01em;color:var(--accent)}
.wordmark span{display:block;font-weight:400;font-size:15px;letter-spacing:.42em;
  text-transform:uppercase;color:var(--ink-soft);margin-top:8px}
.gate-sub{color:var(--ink-soft);font-size:15px;margin:14px 0 18px}
.gate-card input{width:100%;padding:12px 14px;font-size:16px;font-family:"Newsreader",serif;
  border:1px solid var(--rule);border-radius:10px;background:#fff;margin-bottom:10px}
.gate-card input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.gate-card .btn-primary{width:100%;margin-top:4px}

/* ---------- shell ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px calc(14px);background:var(--card);border-bottom:1px solid var(--rule);
  position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{font-family:"Fraunces",serif;font-weight:700;font-size:16px;color:#fff;
  background:var(--accent);width:38px;height:38px;border-radius:9px;display:grid;place-items:center;flex:none;
  letter-spacing:.02em}
.brand-name{font-family:"Fraunces",serif;font-weight:600;font-size:16px;line-height:1.1}
.brand-sub{font-size:12px;color:var(--ink-soft);letter-spacing:.02em}
.header-actions{display:flex;align-items:center;gap:10px;min-width:0;flex-wrap:wrap;justify-content:flex-end}
.student-picker{display:flex;align-items:center;gap:8px;min-width:0}
.pill-btn{font-family:"Newsreader",serif;font-size:14px;color:var(--ink-soft);background:#fff;
  border:1px solid var(--rule);border-radius:20px;padding:8px 14px;cursor:pointer;min-height:38px;white-space:nowrap;
  transition:color .15s,background .15s}
.pill-btn:hover{color:var(--accent);background:var(--accent-soft)}
.pill-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.user-chip{display:flex;align-items:center;gap:8px;min-width:0}
.whoami{font-size:13px;color:var(--ink-soft);max-width:26vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.whoami b{font-weight:600;color:var(--ink)}
/* role-driven visibility: students have no roster picker or write tabs */
body[data-canwrite="0"] #studentPicker{display:none}
body[data-canwrite="0"] .tab[data-page="enter"],
body[data-canwrite="0"] .tab[data-page="subjects"]{display:none}
.student-select{font-family:"Newsreader",serif;font-size:15px;padding:9px 30px 9px 12px;border:1px solid var(--rule);
  border-radius:10px;background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%235b544a' stroke-width='1.5'/></svg>") no-repeat right 10px center;
  -webkit-appearance:none;appearance:none;max-width:44vw}
.manage-btn{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--rule);background:#fff;color:var(--ink-soft);cursor:pointer;transition:color .15s,background .15s}
.manage-btn:hover{color:var(--accent);background:var(--accent-soft)}
.manage-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
/* header stays a single tidy row on phones; the tabs offset tracks its real height */
@media(max-width:600px){
  .topbar{flex-wrap:wrap;row-gap:8px;padding:12px 14px}
  .brand-sub{display:none}
  .header-actions{width:100%;gap:8px;justify-content:space-between}
  .student-picker{flex:1 1 auto;min-width:0}
  .student-select{flex:1 1 auto;max-width:none}
  .whoami{max-width:34vw}
}
@media(max-width:380px){
  .whoami{display:none}
}

.tabs{display:flex;gap:2px;padding:8px 10px;background:var(--parchment-deep);
  position:sticky;top:var(--topbar-h,64px);z-index:19;border-bottom:1px solid var(--rule);overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab{flex:1 0 auto;font-family:"Newsreader",serif;font-size:14px;color:var(--ink-soft);
  background:transparent;border:0;padding:9px 12px;border-radius:8px;white-space:nowrap;cursor:pointer;min-height:40px}
.tab.is-active{background:var(--card);color:var(--accent);font-weight:500;box-shadow:var(--shadow)}

.page{display:none;padding:22px 16px 60px;max-width:760px;margin:0 auto;animation:fade .25s ease}
.page.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.page-title{font-family:"Fraunces",serif;font-weight:600;font-size:24px;margin:0 0 4px}
.page-note{color:var(--ink-soft);font-size:14px;margin:0 0 20px}
.empty{color:var(--ink-soft);font-size:15px;background:var(--card);border:1px dashed var(--rule);
  border-radius:var(--radius);padding:20px;text-align:center}

/* ---------- buttons ---------- */
.btn-primary{font-family:"Newsreader",serif;font-size:16px;color:#fff;background:var(--accent);
  border:0;border-radius:10px;padding:12px 16px;cursor:pointer;min-height:46px;transition:filter .15s}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:active{filter:brightness(.94)}
.btn-primary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ---------- page 1: enter ---------- */
.enter-list{display:flex;flex-direction:column;gap:12px}
.enter-card{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:15px 15px}
.enter-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:11px}
.enter-name{font-family:"Fraunces",serif;font-weight:600;font-size:18px}
.enter-meta{font-size:12.5px;color:var(--ink-soft)}
.enter-current{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--accent);
  background:var(--accent-soft);padding:3px 8px;border-radius:20px;white-space:nowrap}
.enter-form{display:flex;gap:8px}
.enter-form input{flex:1;min-width:0;padding:12px 13px;font-size:17px;font-family:"IBM Plex Mono",monospace;
  border:1px solid var(--rule);border-radius:10px;background:#fff;text-align:center}
.enter-form input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.enter-form button{flex:none}

/* ---------- page 2: gpa ---------- */
.gpa-hero{border:0;border-radius:16px;box-shadow:var(--shadow);
  padding:34px 20px;text-align:center;margin-bottom:22px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(14,84,97,.5),rgba(11,45,55,.82)),url('/img/dolphins.jpg') center/cover;
  color:#fff}
.gpa-hero::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;z-index:1;
  background:linear-gradient(90deg,var(--surf,#57b6cf),var(--sunset))}
.gpa-big{font-family:"Fraunces",serif;font-weight:700;font-size:64px;line-height:1;color:#fff;
  text-shadow:0 2px 12px rgba(9,30,38,.4)}
.gpa-label{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.85);margin-top:8px}
.gpa-credits{font-size:15px;color:#fff;margin-top:12px}
.year-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.year-card{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:16px}
.year-card h3{font-family:"Fraunces",serif;font-weight:600;font-size:16px;margin:0 0 8px}
.year-card .yr-gpa{font-family:"Fraunces",serif;font-size:28px;color:var(--accent);line-height:1}
.year-card .yr-cr{font-size:13px;color:var(--ink-soft);margin-top:4px}

/* ---------- page 3: transcript ---------- */
.transcript{display:flex;flex-direction:column;gap:20px}
.tr-year{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
.tr-year-head{background:var(--accent);color:#fff;padding:10px 15px;font-family:"Fraunces",serif;
  font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:baseline}
.tr-year-head .yr-sum{font-family:"IBM Plex Mono",monospace;font-size:13px;font-weight:500;opacity:.92}
.tr-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;
  padding:11px 15px;border-top:1px solid var(--rule)}
.tr-row:first-child{border-top:0}
.tr-subj{font-size:16px}
.tr-avg{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--ink-soft)}
.tr-letter{font-family:"Fraunces",serif;font-weight:600;font-size:17px;color:var(--accent);min-width:34px;text-align:right}
.tr-pending{color:var(--ink-soft);font-style:italic;font-size:14px}

/* ---------- page 4: subjects ---------- */
.add-row{display:grid;grid-template-columns:1fr;gap:8px;background:var(--card);border:1px solid var(--rule);
  border-radius:var(--radius);padding:14px;margin-bottom:20px}
.add-row input,.add-row select{padding:11px 12px;font-size:15px;font-family:"Newsreader",serif;
  border:1px solid var(--rule);border-radius:9px;background:#fff}
.add-row input:focus,.add-row select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
@media(min-width:560px){
  .add-row{grid-template-columns:2fr 1fr 1.2fr .8fr auto;align-items:center}
}
.subjects-list{display:flex;flex-direction:column;gap:9px}
.subj-card{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--rule);
  border-radius:var(--radius);padding:12px 14px}
.subj-main{flex:1;min-width:0}
.subj-name{font-family:"Fraunces",serif;font-weight:600;font-size:16px}
.subj-meta{font-size:12.5px;color:var(--ink-soft);margin-top:2px}
.subj-grade-badge{font-family:"IBM Plex Mono",monospace;font-size:11px;background:var(--parchment-deep);
  color:var(--ink-soft);padding:2px 7px;border-radius:5px;margin-right:6px}
.switch{position:relative;display:inline-block;width:46px;height:27px;flex:none}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:var(--parchment-deep);border:1px solid var(--rule);
  border-radius:27px;transition:.2s;cursor:pointer}
.slider::before{content:"";position:absolute;height:19px;width:19px;left:3px;top:3px;background:#fff;
  border-radius:50%;transition:.2s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.switch input:checked+.slider{background:var(--accent);border-color:var(--accent)}
.switch input:checked+.slider::before{transform:translateX(19px)}
.icon-btn{background:transparent;border:0;color:var(--danger);font-size:20px;cursor:pointer;padding:6px;
  line-height:1;border-radius:6px;min-width:36px;min-height:36px}
.icon-btn:hover{background:var(--accent-soft)}

/* ---------- page 5: data ---------- */
.data-table{display:flex;flex-direction:column;gap:1px;background:var(--rule);border:1px solid var(--rule);
  border-radius:var(--radius);overflow:hidden}
.data-row{display:grid;grid-template-columns:1fr auto auto auto;gap:10px;align-items:center;
  background:var(--card);padding:11px 14px;font-size:14px}
.data-row.head{background:var(--parchment-deep);font-family:"IBM Plex Mono",monospace;font-size:11px;
  letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft)}
.data-subj{font-family:"Newsreader",serif;font-size:15px}
.data-val{font-family:"IBM Plex Mono",monospace;color:var(--accent);font-weight:500}
.data-date{font-size:12px;color:var(--ink-soft)}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:var(--ink);color:#fbf7ee;font-size:14.5px;padding:11px 18px;border-radius:24px;
  box-shadow:0 8px 30px rgba(0,0,0,.25);z-index:60;animation:pop .2s ease}
@keyframes pop{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
.err{color:var(--danger);font-size:14px;margin-top:12px}

/* ---------- roster empty state ---------- */
.roster-empty{padding:48px 16px;max-width:520px;margin:0 auto}
.roster-empty-card{background:var(--card);border:1px dashed var(--rule);border-radius:16px;
  box-shadow:var(--shadow);padding:34px 26px;text-align:center}
.roster-empty-card h2{font-family:"Fraunces",serif;font-weight:600;font-size:22px;margin:0 0 6px;color:var(--accent)}
.roster-empty-card p{color:var(--ink-soft);font-size:15px;margin:0 0 20px}
.roster-empty-add{display:flex;gap:8px}
.roster-empty-add input{flex:1;min-width:0;padding:12px 13px;font-size:16px;font-family:"Newsreader",serif;
  border:1px solid var(--rule);border-radius:10px;background:#fff}
.roster-empty-add input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.roster-empty-add button{flex:none}

/* ---------- manage-students modal ---------- */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:18px}
.modal-backdrop{position:absolute;inset:0;background:rgba(34,32,28,.42);animation:fade .18s ease}
.modal-card{position:relative;background:var(--card);border:1px solid var(--rule);border-radius:16px;
  box-shadow:0 12px 44px rgba(34,32,28,.28);width:100%;max-width:440px;max-height:86dvh;
  display:flex;flex-direction:column;overflow:hidden;animation:pop-in .2s ease}
@keyframes pop-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:16px 18px;border-bottom:1px solid var(--rule)}
.modal-head h2{font-family:"Fraunces",serif;font-weight:600;font-size:19px;margin:0}
.manage-list{padding:10px 18px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.manage-row{display:flex;align-items:center;gap:8px}
.manage-row input{flex:1;min-width:0;padding:10px 11px;font-size:15px;font-family:"Newsreader",serif;
  border:1px solid var(--rule);border-radius:9px;background:#fff}
.manage-row input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.manage-row .save-btn{flex:none;font-family:"Newsreader",serif;font-size:14px;color:var(--accent);
  background:var(--accent-soft);border:1px solid transparent;border-radius:8px;padding:8px 12px;cursor:pointer;
  min-height:38px;opacity:0;pointer-events:none;transition:opacity .15s}
.manage-row.dirty .save-btn{opacity:1;pointer-events:auto}
.manage-empty{color:var(--ink-soft);font-size:14px;text-align:center;padding:14px 4px}
.manage-add{display:flex;gap:8px;padding:14px 18px;border-top:1px solid var(--rule);background:var(--parchment-deep)}
.manage-add input{flex:1;min-width:0;padding:11px 12px;font-size:15px;font-family:"Newsreader",serif;
  border:1px solid var(--rule);border-radius:9px;background:#fff}
.manage-add input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.manage-add button{flex:none}

/* ---------- accounts modal ---------- */
.accounts-list{padding:10px 18px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.acct-row{display:grid;grid-template-columns:1fr auto auto;gap:8px 10px;align-items:center;
  padding:11px 12px;border:1px solid var(--rule);border-radius:10px;background:var(--card)}
.acct-id{min-width:0}
.acct-name{font-family:"Fraunces",serif;font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acct-sub{font-size:12px;color:var(--ink-soft);margin-top:1px}
.acct-role{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.03em;text-transform:uppercase;
  padding:3px 8px;border-radius:20px;background:var(--parchment-deep);color:var(--ink-soft);white-space:nowrap}
.acct-role.is-super{background:var(--accent);color:#fff}
.acct-role.is-admin{background:var(--accent-soft);color:var(--accent)}
.acct-actions{display:flex;gap:4px;align-items:center}
.acct-actions .link-btn{font-family:"Newsreader",serif;font-size:13px;color:var(--ink-soft);background:transparent;
  border:1px solid var(--rule);border-radius:8px;padding:6px 10px;cursor:pointer;min-height:34px;white-space:nowrap}
.acct-actions .link-btn:hover{color:var(--accent);background:var(--accent-soft)}
.acct-you{font-size:11px;color:var(--gold);font-style:italic}
.accounts-add{padding:14px 18px;border-top:1px solid var(--rule);background:var(--parchment-deep)}
.accounts-add-title{font-family:"Fraunces",serif;font-weight:600;font-size:15px;margin-bottom:10px}
.accounts-add-grid{display:grid;grid-template-columns:1fr;gap:8px}
.accounts-add-grid input,.accounts-add-grid select{padding:10px 11px;font-size:15px;font-family:"Newsreader",serif;
  border:1px solid var(--rule);border-radius:9px;background:#fff}
.accounts-add-grid input:focus,.accounts-add-grid select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
@media(min-width:520px){
  .accounts-add-grid{grid-template-columns:1fr 1fr auto auto auto;align-items:center}
  .accounts-add-grid input,.accounts-add-grid select{min-width:0}
}
.accounts-hint{font-size:12px;color:var(--ink-soft);margin:10px 0 0;line-height:1.4}
.accounts-empty{color:var(--ink-soft);font-size:14px;text-align:center;padding:14px 4px}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}