:root {
  --mauve: #1F5573; --mauve-deep: #17252F; --mauve-light: #2F8FB5; --rose-mist: #A9C8DA;
  --warm-cream: #F5F9FC; --paper: #FFFFFF; --gold: #C08A55; --gold-text: #8A6D2F;
  --ink: #1E2A33; --ink-soft: #5D7382; --line: rgba(31,85,115,0.16); --danger: #B3463C; --ok: #2E7D5B;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--warm-cream); color: var(--ink); font-family: Calibri, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.5; }
a { color: var(--mauve); }
h1, h2, h3, .serif { font-family: Georgia, "Times New Roman", serif; font-weight: 500; color: var(--mauve-deep); margin: 0; }
h1 { font-size: 30px; line-height: 1.15; } h1 em, h2 em { font-style: italic; color: var(--mauve); }
h2 { font-size: 22px; } h3 { font-size: 17px; }
button, .btn { font: inherit; cursor: pointer; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 999px; padding: 8px 16px; font-size: 14px; font-weight: 600; }
button:hover, .btn:hover { background: var(--warm-cream); }
button.primary { background: var(--mauve); color: #fff; border-color: var(--mauve); } button.primary:hover { background: var(--mauve-deep); }
button.gold { background: var(--gold); color: #fff; border-color: var(--gold); }
button.ghost { border-color: transparent; background: transparent; color: var(--mauve); padding: 6px 10px; }
button.danger { color: var(--danger); } button.small { padding: 5px 11px; font-size: 13px; }
button:disabled { opacity: .55; cursor: wait; }
input, select, textarea { font: inherit; color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mauve); }
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
label { display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--gold-text); margin: 12px 0 5px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-text); }
.muted { color: var(--ink-soft); } .small { font-size: 13.5px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; } .row.between { justify-content: space-between; } .grow { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; } .grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; }
.card + .card { margin-top: 14px; }
.stack > * + * { margin-top: 14px; }
.pill { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; background: var(--warm-cream); color: var(--mauve); border: 1px solid var(--line); }
.pill.active { background: #E8F3EC; color: var(--ok); border-color: #CFE5D8; } .pill.paused, .pill.prospect { background: #FBF3E7; color: var(--gold-text); border-color: #EBD9BD; } .pill.completed { color: var(--ink-soft); }
.pill.email { background: #E9F1F7; } .pill.summary { background: #F0F0F0; color: var(--ink-soft); } .pill.homework, .pill.lesson, .pill.guide { background: #FBF3E7; color: var(--gold-text); border-color: #EBD9BD; }
.err { background: #FBECEA; color: var(--danger); border: 1px solid #F0C9C4; border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.ok { background: #E8F3EC; color: var(--ok); border: 1px solid #CFE5D8; border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.note { background: #FBF3E7; border-left: 4px solid var(--gold); border-radius: 0 10px 10px 0; padding: 10px 14px; color: var(--ink); font-size: 14.5px; }

/* shell */
.topbar { background: var(--mauve-deep); color: #fff; padding: 0 22px; height: 58px; display: flex; align-items: center; gap: 26px; position: sticky; top: 0; z-index: 10; }
.topbar .brand { font-family: Georgia, serif; font-size: 18px; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.topbar .brand .psi { width: 28px; height: 28px; border-radius: 50%; background: var(--mauve); display: inline-flex; align-items: center; justify-content: center; font-size: 17px; }
.topbar nav { display: flex; gap: 4px; }
.topbar nav a { color: rgba(255,255,255,.78); text-decoration: none; font-size: 14.5px; font-weight: 600; padding: 7px 12px; border-radius: 8px; }
.topbar nav a.on, .topbar nav a:hover { color: #fff; background: rgba(255,255,255,.1); }
.topbar .spacer { flex: 1; }
.topbar .status { font-size: 12.5px; color: rgba(255,255,255,.6); }
.topbar button.ghost { color: rgba(255,255,255,.8); }
main { max-width: 1180px; margin: 0 auto; padding: 28px 22px 70px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head p { margin: 6px 0 0; color: var(--ink-soft); max-width: 640px; }

/* login */
.login { max-width: 420px; margin: 9vh auto 0; }
.login .mark { width: 54px; height: 54px; border-radius: 50%; background: var(--mauve); color: #fff; display: flex; align-items: center; justify-content: center; font-family: Georgia, serif; font-size: 30px; margin-bottom: 16px; }

/* tables / lists */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--gold-text); padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 11px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--warm-cream); }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.stat .n { font-family: Georgia, serif; font-size: 30px; color: var(--mauve); line-height: 1; } .stat .l { font-size: 12.5px; color: var(--ink-soft); margin-top: 4px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.feed li { list-style: none; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; } .feed { padding: 0; margin: 0; } .feed time { color: var(--ink-soft); font-size: 12.5px; margin-left: 8px; }

/* workspace */
.ws { display: grid; grid-template-columns: 1fr 1.3fr; gap: 18px; align-items: start; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: 0; border-radius: 8px 8px 0 0; background: transparent; color: var(--ink-soft); padding: 8px 14px; font-weight: 600; }
.tabs button.on { color: var(--mauve-deep); border-bottom: 3px solid var(--gold); }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.check .dot { width: 14px; height: 14px; border-radius: 50%; margin-top: 5px; background: #ddd; }
.check.captured .dot { background: var(--ok); } .check.partial .dot { background: var(--gold); } .check.missing .dot { background: var(--danger); }
.check .n { color: var(--ink-soft); font-size: 13.5px; }
.md h1, .md h2, .md h3 { margin: 14px 0 6px; } .md h1 { font-size: 22px; } .md h2 { font-size: 18px; } .md h3 { font-size: 16px; }
.md p { margin: 0 0 10px; } .md ul, .md ol { margin: 0 0 10px 22px; } .md li { margin-bottom: 4px; } .md hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
.md table { margin: 8px 0 12px; } .md td, .md th { border: 1px solid var(--line); padding: 6px 8px; }
.editor textarea { min-height: 380px; font-family: Calibri, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 15.5px; }
.refine { display: flex; gap: 8px; margin-top: 10px; } .refine input { flex: 1; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.chips button { font-size: 12.5px; padding: 4px 10px; font-weight: 600; }
.versions li { list-style: none; font-size: 13px; color: var(--ink-soft); padding: 4px 0; display: flex; gap: 8px; align-items: center; } .versions { margin: 0; padding: 0; }
.transcript { white-space: pre-wrap; font-size: 13.5px; color: var(--ink-soft); max-height: 460px; overflow: auto; background: var(--warm-cream); border-radius: 10px; padding: 12px 14px; }
.drop { border: 2px dashed var(--line); border-radius: 12px; padding: 18px; text-align: center; color: var(--ink-soft); background: var(--warm-cream); }
.drop.over { border-color: var(--mauve); background: #E9F1F7; }
.busy { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 14px; }
.busy::before { content: ""; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--mauve); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--mauve-deep); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.2); z-index: 50; }
.modal-bg { position: fixed; inset: 0; background: rgba(23,37,47,.45); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; z-index: 40; overflow: auto; }
.modal { background: #fff; border-radius: 16px; padding: 24px 26px; width: 100%; max-width: 640px; }
.topics li { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; list-style: none; } .topics { padding: 0; margin: 0; }
.kbd { font-size: 12px; color: var(--ink-soft); }
@media (max-width: 900px) { .ws, .grid2, .grid3 { grid-template-columns: 1fr; } .topbar { gap: 10px; padding: 0 12px; } .topbar nav a { padding: 7px 8px; font-size: 13px; } main { padding: 18px 14px 60px; } }