/* ADA TECH INSTITUTE — portal styles. Retro desktop: cream paper, mint waves, ink outlines, hard shadows. */
:root {
  --paper: #f1ead9; --paper2: #e6ddc6; --card: #fbf7ee; --ink: #1d1d1b; --muted: #6b665c; --muted2: #a59d8d;
  --wave: #a9dedb; --accent: #2f9c9a; --accent2: #3b7fc4; --accent-soft: #d5efed; --hex: #8c8277;
  --good: #3f9d5b; --warn: #d98b2b; --bad: #c8553d; --hl: #fff3b0;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, sans-serif;
  --r: 10px; --sh: 4px 4px 0 var(--ink); --sh-sm: 2px 2px 0 var(--ink); --b: 2px solid var(--ink);
  --bar-h: 42px; color-scheme: light;
}
:root[data-night="1"] {
  --paper: #1c2224; --paper2: #263033; --card: #222b2e; --ink: #e9e4d6; --muted: #a8a294; --muted2: #6f7a7a;
  --wave: #20484a; --accent: #4cc2bf; --accent2: #6aa6e6; --accent-soft: #23423f; --hl: #4d4520; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--paper); color: var(--ink); font: 14px/1.5 var(--sans); -webkit-font-smoothing: antialiased; overflow: hidden; }
h1, h2, h3, h4, .mono, .btn, .badge, .win-title, label, th, .tab, .chip, .menubar, .nav a { font-family: var(--mono); }
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -.02em; } h2 { font-size: 17px; margin: 0 0 10px; } h3 { font-size: 14px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .06em; }
a { color: var(--accent2); }
p { margin: 0 0 10px; }
small, .muted { color: var(--muted); }
hr { border: 0; border-top: 2px dashed var(--muted2); margin: 16px 0; }
::selection { background: var(--wave); }
.bg-waves { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-waves path { fill: var(--wave); }
.pix { image-rendering: pixelated; flex: none; vertical-align: middle; }

/* ------------------------------------------------------------ windows */
.win { background: var(--card); border: var(--b); border-radius: var(--r); box-shadow: var(--sh); display: flex; flex-direction: column; min-width: 0; }
.win-bar { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 7px 12px; border-bottom: var(--b); background: var(--card); border-radius: 8px 8px 0 0; min-height: 36px; }
.win-title { text-align: center; font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dots { display: flex; gap: 6px; } .dots i { width: 13px; height: 13px; border: 2px solid var(--ink); border-radius: 50%; display: block; background: var(--card); }
.dots i[data-close] { cursor: pointer; } .dots i[data-close]:hover { background: var(--bad); }
.win-body { padding: 16px; overflow: auto; flex: 1; }

/* ------------------------------------------------------------ app layout */
#app { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; }
.menubar { height: var(--bar-h); margin: 10px 12px 0; display: flex; align-items: center; gap: 4px; padding: 0 10px; background: var(--card); border: var(--b); border-radius: var(--r); box-shadow: var(--sh-sm); font-size: 12px; position: relative; z-index: 30; flex: none; }
.menubar .brand { display: flex; align-items: center; gap: 8px; font-weight: 700; padding-right: 8px; cursor: pointer; white-space: nowrap; }
.menubar .brand svg { width: 24px; height: 24px; }
.mb-menu { position: relative; }
.mb-menu > button { background: none; border: 0; font: inherit; color: inherit; padding: 6px 8px; border-radius: 6px; cursor: pointer; }
.mb-menu > button:hover, .mb-menu.open > button { background: var(--ink); color: var(--card); }
.mb-drop { display: none; position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px; background: var(--card); border: var(--b); border-radius: 8px; box-shadow: var(--sh); padding: 6px; z-index: 50; }
.mb-menu.open .mb-drop { display: block; }
.mb-drop button, .mb-drop a { display: flex; gap: 8px; align-items: center; width: 100%; text-align: left; padding: 7px 9px; border: 0; background: none; font: 12px var(--mono); color: var(--ink); border-radius: 5px; cursor: pointer; text-decoration: none; }
.mb-drop button:hover, .mb-drop a:hover { background: var(--accent); color: #fff; }
.mb-drop .sep { height: 2px; background: var(--paper2); margin: 4px 2px; }
.mb-drop kbd { margin-left: auto; opacity: .6; font-size: 10px; }
.mb-center { flex: 1; text-align: center; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; padding: 0 10px; }
.mb-right { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.mb-right .clock { font-weight: 600; }
.icon-btn { background: none; border: 2px solid transparent; border-radius: 7px; padding: 3px 5px; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; color: var(--ink); font: 12px var(--mono); position: relative; }
.icon-btn:hover { border-color: var(--ink); background: var(--paper); }
.icon-btn .count { position: absolute; top: -6px; right: -6px; background: var(--bad); color: #fff; border: 2px solid var(--ink); border-radius: 9px; font-size: 10px; padding: 0 4px; line-height: 14px; font-weight: 700; }
.imp-banner { margin: 8px 12px 0; padding: 6px 12px; background: var(--warn); color: #111; border: var(--b); border-radius: 8px; font: 12px var(--mono); display: flex; gap: 10px; align-items: center; justify-content: center; flex: none; }

.shell { flex: 1; display: flex; gap: 14px; padding: 14px 16px 16px 12px; min-height: 0; }
.side { width: 228px; flex: none; }
.side .win-body { padding: 8px; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav .grp { font: 600 10px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); padding: 10px 8px 4px; }
.nav a { display: flex; align-items: center; gap: 9px; padding: 6px 8px; border-radius: 7px; color: var(--ink); text-decoration: none; font-size: 12.5px; border: 2px solid transparent; }
.nav a:hover { border-color: var(--ink); }
.nav a.on { background: var(--ink); color: var(--card); }
.nav a.on .pix rect[fill="var(--ink)"] { fill: var(--card); }
.nav a .n { margin-left: auto; background: var(--bad); color: #fff; border-radius: 9px; font-size: 10px; padding: 0 6px; font-weight: 700; }
.side-foot { margin-top: 10px; padding: 8px; border-top: 2px dashed var(--muted2); display: flex; align-items: center; gap: 8px; font: 12px var(--mono); }
.main { flex: 1; min-width: 0; }
.main > .win { height: 100%; }
.main .win-body { padding: 20px 22px 40px; }
.body-desk .side { display: none; }

/* page header */
.ph { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.ph .sub { color: var(--muted); font-size: 13px; }
.ph .acts { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.crumbs { font: 11px var(--mono); color: var(--muted); margin-bottom: 4px; }
.crumbs a { color: var(--muted); }

/* ------------------------------------------------------------ controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 7px 13px; border: var(--b); border-radius: 8px; background: var(--card); color: var(--ink); font-size: 12.5px; font-weight: 600; cursor: pointer; box-shadow: var(--sh-sm); text-decoration: none; white-space: nowrap; transition: transform .06s, box-shadow .06s; line-height: 1.3; }
.btn:hover { background: var(--paper); }
.btn:active { transform: translate(2px, 2px); box-shadow: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: #fff; } .btn.primary:hover { filter: brightness(1.06); }
.btn.blue { background: var(--accent2); color: #fff; }
.btn.danger { background: var(--bad); color: #fff; }
.btn.ghost { box-shadow: none; border-color: transparent; background: none; } .btn.ghost:hover { border-color: var(--ink); }
.btn.sm { padding: 4px 9px; font-size: 11.5px; } .btn.lg { padding: 11px 18px; font-size: 14px; }
.btn.block { width: 100%; }
label { display: block; font-size: 11.5px; font-weight: 600; margin: 0 0 5px; text-transform: uppercase; letter-spacing: .04em; }
label .hint { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--muted); }
.in, input:not([type]), input[type=text], input[type=password], input[type=email], input[type=date], input[type=time], input[type=number], input[type=search], input[type=tel], input[type=url], select, textarea {
  width: 100%; padding: 8px 10px; border: var(--b); border-radius: 8px; background: var(--card); color: var(--ink); font: 13.5px var(--sans); outline: none; }
input:focus, select:focus, textarea:focus { box-shadow: 0 0 0 3px var(--wave); }
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
input[type=color] { width: 44px; height: 34px; border: var(--b); border-radius: 8px; padding: 2px; background: var(--card); }
input[type=range] { width: 100%; accent-color: var(--accent); }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); width: 16px; height: 16px; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; } .row > * { flex: 1; min-width: 150px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.gauto { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.span2 { grid-column: span 2; }
.check { display: flex; align-items: center; gap: 8px; font: 13px var(--sans); text-transform: none; letter-spacing: 0; font-weight: 400; cursor: pointer; margin: 0; }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px dashed var(--muted2); text-transform: none; font: 13px var(--sans); letter-spacing: 0; margin: 0; cursor: pointer; }
.switch small { display: block; }
.switch input { appearance: none; width: 40px; height: 22px; border: var(--b); border-radius: 12px; background: var(--paper2); position: relative; cursor: pointer; flex: none; }
.switch input::after { content: ''; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); transition: .15s; }
.switch input:checked { background: var(--accent); } .switch input:checked::after { left: 20px; background: #fff; }
.seg { display: inline-flex; border: var(--b); border-radius: 8px; overflow: hidden; background: var(--card); }
.seg button, .seg label { border: 0; background: none; padding: 5px 10px; font: 600 11.5px var(--mono); cursor: pointer; color: var(--ink); margin: 0; text-transform: none; letter-spacing: 0; }
.seg > * + * { border-left: 2px solid var(--ink) !important; }
.seg .on, .seg input:checked + span { background: var(--ink); color: var(--card); }
.seg label { padding: 0; } .seg label span { display: block; padding: 5px 10px; } .seg input { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border: 2px solid var(--ink); border-radius: 20px; font-size: 11px; background: var(--card); cursor: pointer; user-select: none; color: var(--ink); text-transform: none; letter-spacing: 0; font-weight: 500; margin: 0; }
.chip input { display: none; }
.chip.on, .chip:has(input:checked) { background: var(--accent); color: #fff; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 4px; background: var(--paper2); font: 11px var(--mono); margin: 1px 2px 1px 0; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 5px; border: 2px solid var(--ink); font-size: 10.5px; font-weight: 700; white-space: nowrap; background: var(--card); text-transform: uppercase; letter-spacing: .03em; }
.st-upcoming { background: var(--card); } .st-live { background: var(--wave); } .st-due { background: #ffe6a8; color: #111; } .st-draft { background: #f7d9a4; color: #111; }
.st-overdue { background: var(--bad); color: #fff; } .st-submitted { background: var(--accent-soft); } .st-reviewed { background: var(--good); color: #fff; } .st-flagged { background: var(--warn); color: #111; }
.st-cancelled { background: var(--paper2); text-decoration: line-through; color: var(--muted); }
.b-sub { background: var(--accent2); color: #fff; } .b-good { background: var(--good); color: #fff; } .b-bad { background: var(--bad); color: #fff; } .b-warn { background: var(--warn); color: #111; }
.avatar { display: inline-grid; place-items: center; border-radius: 6px; background: var(--c); color: #fff; font-family: var(--mono); font-weight: 700; border: 2px solid var(--ink); flex: none; }
.who { display: inline-flex; align-items: center; gap: 7px; }
.tabs { display: flex; gap: 4px; border-bottom: var(--b); margin-bottom: 16px; flex-wrap: wrap; }
.tab { padding: 7px 13px; border: var(--b); border-bottom: 0; border-radius: 8px 8px 0 0; background: var(--paper2); cursor: pointer; font-size: 12px; font-weight: 600; margin-bottom: -2px; color: var(--ink); text-decoration: none; }
.tab.on { background: var(--card); padding-bottom: 9px; }
.stars { display: inline-flex; gap: 2px; } .stars button { width: 18px; height: 18px; border: 2px solid var(--ink); background: var(--card); border-radius: 3px; font-size: 0; cursor: pointer; padding: 0; }
.stars button.on { background: var(--accent); } .stars button:hover { background: var(--wave); }
.dots-val { display: inline-flex; gap: 2px; } .dots-val i { width: 9px; height: 9px; border: 1.5px solid var(--ink); border-radius: 2px; } .dots-val i.on { background: var(--accent); }
.pbar { height: 12px; border: var(--b); border-radius: 6px; overflow: hidden; background: var(--paper2); }
.pbar i { display: block; height: 100%; background: repeating-linear-gradient(45deg, var(--accent), var(--accent) 6px, color-mix(in srgb, var(--accent) 80%, #fff) 6px, color-mix(in srgb, var(--accent) 80%, #fff) 12px); }

/* cards & stats */
.card { background: var(--card); border: var(--b); border-radius: var(--r); box-shadow: var(--sh-sm); padding: 14px 16px; min-width: 0; }
.card.mini-win { padding: 0; } .card.mini-win > .card-h { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: var(--b); font: 600 12px var(--mono); }
.card.mini-win > .card-h .r { margin-left: auto; display: flex; gap: 6px; align-items: center; } .card.mini-win > .card-b { padding: 12px 14px; }
.card.click { cursor: pointer; transition: transform .08s; } .card.click:hover { transform: translate(-1px, -1px); box-shadow: var(--sh); }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat b { font: 700 26px var(--mono); line-height: 1.1; } .stat span { font: 11px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.stat.alert b { color: var(--bad); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stats .card { display: flex; gap: 12px; align-items: center; }
.list { display: flex; flex-direction: column; }
.li { display: flex; gap: 10px; align-items: center; padding: 9px 4px; border-bottom: 1px dashed var(--muted2); min-width: 0; }
.li:last-child { border-bottom: 0; } .li.click { cursor: pointer; border-radius: 6px; } .li.click:hover { background: var(--paper); }
.li .grow { flex: 1; min-width: 0; } .li .t { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .li .s { font-size: 12px; color: var(--muted); }
.swatch { width: 12px; height: 12px; border-radius: 3px; border: 2px solid var(--ink); flex: none; display: inline-block; }
.timebox { font: 600 12px var(--mono); text-align: center; min-width: 58px; padding: 4px; border: var(--b); border-radius: 6px; background: var(--paper); line-height: 1.25; }
.timebox small { display: block; font-weight: 400; }
.empty { text-align: center; padding: 26px 10px; color: var(--muted); } .empty p { margin-top: 8px; font-size: 13px; }
.note-box { padding: 10px 12px; border: 2px dashed var(--muted2); border-radius: 8px; font-size: 13px; background: var(--paper); }
.alert-box { padding: 10px 14px; border: var(--b); border-radius: 8px; background: #ffe6a8; color: #111; font-size: 13px; display: flex; gap: 10px; align-items: center; margin-bottom: 14px; }
.alert-box.bad { background: #f6c7bd; } .alert-box.info { background: var(--accent-soft); color: var(--ink); }

/* tables */
.tbl-wrap { overflow: auto; border: var(--b); border-radius: var(--r); background: var(--card); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; padding: 9px 10px; background: var(--paper2); border-bottom: var(--b); position: sticky; top: 0; white-space: nowrap; z-index: 1; }
.tbl td { padding: 8px 10px; border-bottom: 1px dashed var(--muted2); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; } .tbl tr.click { cursor: pointer; } .tbl tr.click:hover td { background: var(--paper); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .in, .toolbar input, .toolbar select { width: auto; min-width: 140px; }
.toolbar .grow { flex: 1; }

/* attendance matrix */
.att-cell { width: 26px; height: 22px; display: inline-grid; place-items: center; border-radius: 4px; font: 700 10px var(--mono); border: 1.5px solid var(--ink); }
.a-present { background: var(--good); color: #fff; } .a-late { background: var(--warn); color: #111; } .a-absent { background: var(--bad); color: #fff; } .a-excused { background: var(--accent2); color: #fff; } .a-none { background: var(--paper2); border-style: dashed; color: var(--muted); }
.att-seg { display: inline-flex; border: var(--b); border-radius: 7px; overflow: hidden; }
.att-seg button { border: 0; background: var(--card); width: 30px; padding: 5px 0; font: 700 11px var(--mono); cursor: pointer; color: var(--ink); }
.att-seg button + button { border-left: 2px solid var(--ink); }
.att-seg button.on[data-v=present] { background: var(--good); color: #fff; } .att-seg button.on[data-v=late] { background: var(--warn); }
.att-seg button.on[data-v=absent] { background: var(--bad); color: #fff; } .att-seg button.on[data-v=excused] { background: var(--accent2); color: #fff; }

/* report form */
.rf-student { display: grid; grid-template-columns: minmax(150px, 1.2fr) auto auto auto minmax(180px, 2fr); gap: 12px; align-items: center; padding: 10px 12px; border-bottom: 1px dashed var(--muted2); }
.rf-student:last-child { border-bottom: 0; }
.rf-student .nm { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.rf-student .mini { font: 10px var(--mono); color: var(--muted); text-transform: uppercase; display: block; margin-bottom: 2px; }
.rf-student.absent > :not(.nm):not(.att) { opacity: .35; pointer-events: none; }
.rf-student .tags-row { grid-column: 1 / -1; display: flex; gap: 5px; flex-wrap: wrap; padding-left: 36px; }
.rf-student .tags-row .chip { font-size: 10.5px; padding: 1px 7px; }
.beh { font: 11px var(--mono); padding: 4px 6px; width: auto; }
.counter { font: 11px var(--mono); color: var(--muted); text-align: right; margin-top: 3px; } .counter.low { color: var(--bad); }
.sticky-actions { position: sticky; bottom: -40px; background: var(--card); border-top: var(--b); margin: 20px -22px -40px; padding: 12px 22px; display: flex; gap: 10px; align-items: center; z-index: 5; flex-wrap: wrap; }
.report-view dt { font: 600 11px var(--mono); text-transform: uppercase; color: var(--muted); margin-top: 12px; }
.report-view dd { margin: 3px 0 0; }
.quote { border-left: 4px solid var(--accent); padding: 4px 12px; background: var(--paper); border-radius: 0 6px 6px 0; white-space: pre-wrap; }
.topic-row { display: flex; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--muted2); }
.topic-row .grow { flex: 1; }

/* schedule */
.week { display: grid; grid-template-columns: 52px repeat(7, minmax(110px, 1fr)); border: var(--b); border-radius: var(--r); background: var(--card); overflow: auto; position: relative; max-height: calc(100vh - 250px); }
.week .hd { position: sticky; top: 0; background: var(--paper2); border-bottom: var(--b); padding: 6px; font: 600 11.5px var(--mono); text-align: center; z-index: 3; }
.week .hd.today { background: var(--accent); color: #fff; }
.week .hours { position: relative; border-right: 2px solid var(--ink); }
.week .hours div { position: absolute; right: 4px; font: 10px var(--mono); color: var(--muted); transform: translateY(-6px); }
.week .col { position: relative; border-right: 1px dashed var(--muted2); }
.week .col.today { background: color-mix(in srgb, var(--wave) 25%, transparent); }
.week .line { position: absolute; left: 0; right: 0; border-top: 1px dashed color-mix(in srgb, var(--muted2) 50%, transparent); }
.ev { position: absolute; left: 3px; right: 3px; border: 2px solid var(--ink); border-radius: 6px; padding: 3px 6px; font-size: 11px; overflow: hidden; cursor: pointer; background: var(--c); color: #fff; box-shadow: 2px 2px 0 var(--ink); line-height: 1.25; }
.ev:hover { z-index: 4; transform: translate(-1px, -1px); }
.ev b { font-family: var(--mono); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ev.cancelled { background: repeating-linear-gradient(45deg, var(--paper2), var(--paper2) 5px, var(--card) 5px, var(--card) 10px); color: var(--muted); text-decoration: line-through; }
.ev .flag { position: absolute; top: 2px; right: 3px; font: 700 9px var(--mono); background: var(--card); color: var(--ink); border-radius: 3px; padding: 0 3px; border: 1px solid var(--ink); }
.ev.overdue::after { content: ''; position: absolute; bottom: 4px; right: 4px; width: 9px; height: 9px; background: var(--bad); border: 1.5px solid #fff; border-radius: 50%; }
.now-line { position: absolute; left: 0; right: 0; border-top: 2px solid var(--bad); z-index: 2; }
.agenda-day { margin-bottom: 14px; } .agenda-day h4 { font: 600 12px var(--mono); margin: 0 0 6px; padding-bottom: 4px; border-bottom: 2px solid var(--ink); }

/* messages */
.msg-layout { display: grid; grid-template-columns: 320px 1fr; gap: 16px; min-height: 60vh; }
.msg-item { padding: 10px 12px; border-bottom: 1px dashed var(--muted2); cursor: pointer; }
.msg-item.unread .t { font-weight: 700; } .msg-item.unread::before { content: '●'; color: var(--accent); margin-right: 4px; float: left; }
.msg-item.on { background: var(--accent-soft); } .msg-item:hover { background: var(--paper); }
.msg-body { white-space: pre-wrap; line-height: 1.6; }

/* notes */
.sticky-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.sticky { border: var(--b); border-radius: 4px; padding: 12px; min-height: 160px; box-shadow: var(--sh-sm); display: flex; flex-direction: column; gap: 6px; position: relative; color: #1d1d1b; }
.sticky:nth-child(3n) { transform: rotate(-.8deg); } .sticky:nth-child(4n) { transform: rotate(.7deg); }
.sticky.yellow { background: #fff1a8; } .sticky.mint { background: #c7ece8; } .sticky.blue { background: #cfe0f7; } .sticky.pink { background: #f7d3dd; } .sticky.paper { background: #fbf7ee; }
.sticky input, .sticky textarea { background: transparent; border: 0; padding: 0; font: 600 13px var(--mono); box-shadow: none !important; color: #1d1d1b; }
.sticky textarea { font: 13px var(--sans); flex: 1; min-height: 90px; resize: none; }
.sticky .ft { display: flex; gap: 4px; align-items: center; font-size: 10px; }
.sticky .ft button { border: 1.5px solid #1d1d1b; width: 14px; height: 14px; border-radius: 50%; cursor: pointer; padding: 0; }
.task { display: flex; gap: 10px; align-items: center; padding: 8px 4px; border-bottom: 1px dashed var(--muted2); }
.task.done .t { text-decoration: line-through; color: var(--muted); }
.task .t { flex: 1; }
.pri-high { color: var(--bad); font-weight: 700; }

/* modal + toast */
.modal-wrap { position: fixed; inset: 0; background: rgba(29, 29, 27, .35); display: grid; place-items: center; z-index: 200; padding: 16px; backdrop-filter: blur(1px); }
.modal { width: min(520px, 100%); max-height: calc(100vh - 32px); }
.modal.wide { width: min(860px, 100%); }
.modal-body { padding: 16px 18px; overflow: auto; }
.modal-actions { padding: 12px 18px; border-top: var(--b); display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
#toasts { position: fixed; top: 64px; right: 18px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--card); border: var(--b); border-radius: 8px; padding: 10px 14px; font: 12.5px var(--mono); box-shadow: var(--sh-sm); max-width: 380px; animation: tin .2s; }
.toast.good { background: var(--accent); color: #fff; } .toast.bad { background: var(--bad); color: #fff; }
.toast.out { opacity: 0; transform: translateX(20px); transition: .25s; }
@keyframes tin { from { transform: translateX(30px); opacity: 0; } }

/* command palette */
.cmdk { position: fixed; inset: 0; z-index: 250; background: rgba(29, 29, 27, .3); display: flex; justify-content: center; padding-top: 12vh; }
.cmdk .win { width: min(560px, 92vw); max-height: 60vh; }
.cmdk input { border: 0; border-bottom: var(--b); border-radius: 0; font: 15px var(--mono); padding: 14px 16px; box-shadow: none !important; }
.cmdk .res { overflow: auto; padding: 6px; }
.cmdk .res div { padding: 8px 10px; border-radius: 6px; cursor: pointer; display: flex; gap: 10px; align-items: center; font-size: 13px; }
.cmdk .res div.on { background: var(--accent); color: #fff; }
.cmdk .res small { margin-left: auto; color: inherit; opacity: .7; font: 11px var(--mono); }

/* login */
.login { height: 100%; display: grid; place-items: center; padding: 20px; position: relative; z-index: 1; }
.login .win { width: min(420px, 100%); }
.login-logo { display: block; width: 190px; margin: 4px auto 14px; border-radius: 10px; border: 2px solid var(--ink); background: #fff; }
.login-hint { font: 11px var(--mono); color: var(--muted); text-align: center; margin-top: 12px; }

/* toolbox */
.timer-big { font: 700 clamp(48px, 10vw, 120px) var(--mono); text-align: center; letter-spacing: -.04em; padding: 10px 0; }
.timer-big.done { color: var(--bad); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: .3; } }
.picker-name { font: 700 clamp(28px, 5vw, 54px) var(--mono); text-align: center; padding: 28px 0; min-height: 120px; }
.wb { width: 100%; height: 420px; border: var(--b); border-radius: var(--r); background: #fff; touch-action: none; cursor: crosshair; display: block; }
.groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }

/* library */
.mat-card { display: flex; flex-direction: column; }
.mat-cover { height: 150px; background: var(--paper2); border-bottom: var(--b); border-radius: 8px 8px 0 0; display: grid; place-items: center; overflow: hidden; position: relative; }
.mat-cover canvas { max-width: 92%; max-height: 92%; border: 1.5px solid var(--ink); background: #fff; box-shadow: 2px 2px 0 var(--ink); }
.mat-cover .lock { position: absolute; top: 8px; right: 8px; }

/* misc */
.kbd, kbd { font: 11px var(--mono); padding: 1px 5px; border: 1.5px solid var(--ink); border-radius: 4px; background: var(--card); }
.split { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.legend { display: flex; gap: 14px; font: 11px var(--mono); margin-top: 6px; flex-wrap: wrap; } .legend i { display: inline-block; width: 10px; height: 10px; border: 1.5px solid var(--ink); margin-right: 4px; vertical-align: -1px; }
.barchart { display: flex; align-items: flex-end; gap: 0; padding-top: 18px; }
.bc-col { display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; padding: 0 3px; }
.bc-bar { width: 100%; max-width: 40px; background: var(--accent); border: 2px solid var(--ink); border-bottom: 0; border-radius: 4px 4px 0 0; min-height: 2px; }
.bc-val { font: 10px var(--mono); } .bc-lab { font: 10px var(--mono); color: var(--muted); border-top: 2px solid var(--ink); width: 100%; text-align: center; padding-top: 3px; white-space: nowrap; overflow: hidden; }
.linechart { width: 100%; display: block; } .linechart .grid { stroke: var(--muted2); stroke-dasharray: 3 3; } .linechart .axis { font: 10px var(--mono); fill: var(--muted); }
.ring { position: relative; display: inline-grid; place-items: center; flex: none; } .ring svg { position: absolute; inset: 0; }
.ring b { font: 700 16px var(--mono); position: relative; } .ring small { position: absolute; bottom: -16px; font: 10px var(--mono); white-space: nowrap; }
.code-area { font: 12.5px var(--mono); min-height: 220px; tab-size: 2; }
.hide { display: none !important; }
.spinner { width: 22px; height: 22px; border: 3px solid var(--paper2); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.center-load { display: grid; place-items: center; height: 60vh; gap: 10px; font: 12px var(--mono); }
.hamb { display: none; }

/* ------------------------------------------------------- responsive */
@media (max-width: 1100px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .split { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .shell { padding: 10px; }
  .side { position: fixed; left: 10px; top: 60px; bottom: 10px; z-index: 40; transform: translateX(-120%); transition: transform .2s; }
  .side.open { transform: none; }
  .hamb { display: inline-flex; }
  .mb-center, .menubar > .mb-menu, .mb-right .clock, .mb-right .who span { display: none; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; } .span2 { grid-column: auto; }
  .msg-layout { grid-template-columns: 1fr; }
  .rf-student { grid-template-columns: 1fr 1fr; } .rf-student .nm, .rf-student .cm { grid-column: 1 / -1; } .rf-student .tags-row { padding-left: 0; }
  .main .win-body { padding: 14px 14px 40px; }
  .sticky-actions { margin: 20px -14px -40px; padding: 10px 14px; }
  .week { grid-template-columns: 40px repeat(7, minmax(90px, 1fr)); }
}

/* --------------------------------------------------- protection */
body.protected .reader, body.protected .present { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.shield { position: fixed; inset: 0; z-index: 900; background: color-mix(in srgb, var(--paper) 70%, transparent); backdrop-filter: blur(24px) saturate(.6); display: none; place-items: center; text-align: center; font: 13px var(--mono); cursor: pointer; }
.shield.on { display: grid; }
.shield .win { padding: 22px 26px; max-width: 380px; display: block; }
@media print { body.protected * { display: none !important; } body.protected::after { content: 'Printing protected material is disabled.'; display: block; padding: 40px; font: 20px monospace; } }
/* full-bleed pages (reader): give the page the whole width */
.body-flush .side:not(.open) { display: none; }
.body-flush .shell { padding-left: 16px; }
/* page-text smoothing for upscaled canvases */
.pg canvas, .pr-frame canvas { image-rendering: auto; }

/* ------------------------------------------------------------ login (v1.2) */
.login .login-win { width: min(860px, 100%); animation: loginIn .5s cubic-bezier(.2, 1.3, .4, 1); }
.login-grid { display: grid; grid-template-columns: 1.05fr 1fr; }
.login-brand { padding: 28px 26px 22px; border-right: var(--b); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; position: relative; overflow: hidden;
  background-image: linear-gradient(var(--paper2) 1px, transparent 1px), linear-gradient(90deg, var(--paper2) 1px, transparent 1px); background-size: 22px 22px; background-position: -1px -1px; }
.login-custom-logo { max-width: 260px; max-height: 260px; }
.logo-lockup { text-align: center; }
.logo-mark { display: block; margin: 0 auto; overflow: visible; }
.logo-mark .lg-b { font-family: Georgia, 'Times New Roman', serif; }
.lg-name { font: 500 26px/1.1 var(--sans); letter-spacing: .06em; color: #3a9c9c; margin-top: 6px; }
.lg-tag { font: 12.5px var(--sans); color: #4b8f93; letter-spacing: .04em; margin-top: 6px; }
:root[data-night="1"] .lg-name, :root[data-night="1"] .lg-tag { color: var(--accent); }
.logo-mark.is-anim .lg-bits { animation: lgBits 14s linear infinite; }
.logo-mark.is-anim .lg-g1 { animation: lgSpin 9s linear infinite; transform-box: fill-box; transform-origin: center; }
.logo-mark.is-anim .lg-g2 { animation: lgSpin 6s linear infinite reverse; transform-box: fill-box; transform-origin: center; }
@keyframes lgBits { to { transform: translateX(-60px); } }
@keyframes lgSpin { to { transform: rotate(360deg); } }
.login-quote { margin: 0; max-width: 330px; text-align: center; }
.login-quote blockquote { margin: 0; font: italic 13.5px/1.55 Georgia, serif; color: var(--muted); }
.login-quote figcaption { font: 11px var(--mono); color: var(--muted2); margin-top: 6px; }
.login-form { padding: 34px 32px 26px; display: flex; flex-direction: column; justify-content: center; }
.login-form h1 { font-size: 24px; } .login-form > p { margin-bottom: 22px; font-size: 13px; }
.pw-wrap { position: relative; } .pw-wrap input { padding-right: 42px; }
.pw-eye { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: none; font-size: 16px; cursor: pointer; color: var(--muted); padding: 4px 6px; }
.pw-eye:hover { color: var(--ink); }
.caps { font: 11px var(--mono); color: var(--warn); margin-top: 5px; }
.login-err { background: #f6c7bd; color: #111; border: var(--b); border-radius: 8px; padding: 8px 11px; font-size: 13px; margin-bottom: 12px; }
.login-help { font: 11px var(--mono); color: var(--muted); text-align: center; margin: 14px 0 0; }
.login-foot { display: flex; justify-content: space-between; padding: 8px 14px; border-top: var(--b); font: 11px var(--mono); color: var(--muted); }
.login-win.shake { animation: shake .4s; }
.login-win.login-ok { transform: scale(.98); opacity: .6; transition: .2s; }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }
@keyframes loginIn { from { transform: translateY(24px) scale(.97); opacity: 0; } }
/* gentle animated background — login only */
body.login-mode .bg-waves path { animation: waveDrift 22s ease-in-out infinite alternate; transform-box: fill-box; transform-origin: center; }
body.login-mode .bg-waves path:nth-child(2) { animation-duration: 28s; animation-direction: alternate-reverse; }
body.login-mode .bg-waves path:nth-child(3) { animation-duration: 18s; }
@keyframes waveDrift { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(18px, -14px) scale(1.04, .97); } 100% { transform: translate(-14px, 10px) scale(.98, 1.03); } }
.login-floaters { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; color: var(--accent); }
.login-floaters > * { position: absolute; bottom: -60px; opacity: 0; animation: floatUp linear infinite; font-family: var(--mono); font-weight: 700; }
@keyframes floatUp { 0% { transform: translateY(0) rotate(0); opacity: 0; } 12% { opacity: .22; } 85% { opacity: .16; } 100% { transform: translateY(-115vh) rotate(160deg); opacity: 0; } }
@media (max-width: 760px) { .login-grid { grid-template-columns: 1fr; } .login-brand { border-right: 0; border-bottom: var(--b); padding: 18px; } .login-brand .logo-mark { width: 150px; height: auto; } .lg-name { font-size: 20px; } .login-quote { display: none; } .login-form { padding: 22px 20px; } body { overflow: auto; } }
@media (prefers-reduced-motion: reduce) { body.login-mode .bg-waves path, .login-floaters > *, .logo-mark.is-anim * { animation: none !important; } .login-floaters { display: none; } }
.quick-acts { display: flex; gap: 8px; flex-wrap: wrap; margin: -4px 0 16px; }

/* ------------------------------------------------------------ Zadig's dashboard (owner) */
.zb-wrap { position: relative; border: var(--b); border-radius: var(--r); overflow: hidden; box-shadow: var(--sh); margin-bottom: 14px; height: 190px; background: #f7dfae; }
.zb { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.zb-title { position: absolute; left: 22px; top: 16px; max-width: 58%; }
.zb-title h1 { font: 700 44px/1 Georgia, 'Times New Roman', serif; letter-spacing: .08em; margin: 4px 0 6px; color: #1d1d1b; text-shadow: 2px 2px 0 rgba(255, 255, 255, .5); }
.zb-title p { font: italic 14px/1.4 Georgia, serif; color: #2b2a26; margin: 0; background: rgba(251, 247, 238, .72); padding: 4px 8px; border-radius: 6px; display: inline-block; }
.zb-k { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: #3d3a33; }
:root[data-night="1"] .zb-title h1 { color: #fbf3dc; text-shadow: none; } :root[data-night="1"] .zb-k { color: #e9e4d6; }
.zb-river { animation: zbRiver 14s linear infinite; }
@keyframes zbRiver { to { transform: translateX(200px); } }
.zb-parrot { animation: zbFly 34s linear infinite; }
@keyframes zbFly { from { transform: translateX(-60px); } to { transform: translateX(1080px); } }
.zb-wing { transform-box: fill-box; transform-origin: bottom center; animation: zbFlap .35s ease-in-out infinite alternate; }
@keyframes zbFlap { to { transform: scaleY(-.6); } }
.zb-star { animation: zbTw 3s ease-in-out infinite; } @keyframes zbTw { 50% { opacity: .3; } }
.zb-print { opacity: .8; }
.z-ribbon { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.z-ch { font: 600 11px var(--mono); padding: 4px 10px; border: 2px solid var(--ink); border-radius: 4px 12px 4px 12px; }
.z-ch.read { background: #f3e2b8; color: #3a2a10; } .z-ch.locked { background: repeating-linear-gradient(45deg, var(--paper2), var(--paper2) 4px, var(--card) 4px, var(--card) 8px); color: var(--muted); border-style: dashed; }
.z-card .card-h { background: linear-gradient(90deg, #f3e2b8, var(--card) 70%); color: #2b2a26; border-radius: 8px 8px 0 0; }
:root[data-night="1"] .z-card .card-h { background: linear-gradient(90deg, #4a3f26, var(--card) 70%); color: var(--ink); }
.z-num { font: 700 12px Georgia, serif; border: 2px solid currentColor; border-radius: 50%; min-width: 26px; height: 26px; display: inline-grid; place-items: center; padding: 0 3px; }
.z-intro { font: italic 13px/1.5 Georgia, serif; color: var(--muted); margin-bottom: 10px; }
.z-ic { font-size: 18px; }
.z-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.z-tab { border: var(--b); border-radius: 6px; padding: 8px; text-align: center; text-decoration: none; color: var(--ink); background: var(--paper); box-shadow: var(--sh-sm); }
.z-tab b { display: block; font: 700 20px var(--mono); } .z-tab span { font: 10.5px/1.3 var(--mono); color: var(--muted); display: block; }
.z-tab.bad b { color: var(--bad); } a.z-tab:hover { background: var(--accent-soft); }
.z-tools { display: flex; flex-wrap: wrap; gap: 8px; }
.z-h2 { font: 700 18px Georgia, serif; margin: 24px 0 12px; padding-bottom: 6px; border-bottom: 2px solid var(--ink); }
.zadig .stats .stat span { text-transform: none; }
@media (max-width: 860px) { .zb-title { max-width: 90%; } .zb-title h1 { font-size: 34px; } .z-tabs { grid-template-columns: 1fr 1fr 1fr; } }
@media (prefers-reduced-motion: reduce) { .zb-river, .zb-parrot, .zb-wing, .zb-star { animation: none; } }
.zb-wrap.is-night .zb-title h1 { color: #fbf3dc; text-shadow: 0 2px 12px rgba(0, 0, 0, .5); }
.zb-wrap.is-night .zb-k { color: #e7dcc0; }