/* Portal pages (sign-in, home, admin, course). Same palette as the tools. */
:root {
  --paper: #f4f6f4; --panel: #fff; --ink: #18212b; --ink-2: #4d5b68; --line: #d9dfdc; --line-2: #e9edeb;
  --pine: #2b6a4e; --pine-soft: #e3efe8; --copper: #b4602a; --copper-soft: #f6e8dd; --neg: #b23a3a; --warn-bg: #fbf3df; --warn: #7a5400; --input: #fbfcfb;
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif; --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --paper: #12171c; --panel: #1a2128; --ink: #e6ebe8; --ink-2: #9fb0ab; --line: #2d3740; --line-2: #232c34;
    --pine: #5fb38a; --pine-soft: #1d3329; --copper: #e08a52; --copper-soft: #3a2619; --neg: #ef7b7b; --warn-bg: #3a3019; --warn: #e0b347; --input: #151b21; color-scheme: dark; }
}
:root[data-theme="dark"] { --paper: #12171c; --panel: #1a2128; --ink: #e6ebe8; --ink-2: #9fb0ab; --line: #2d3740; --line-2: #232c34;
  --pine: #5fb38a; --pine-soft: #1d3329; --copper: #e08a52; --copper-soft: #3a2619; --neg: #ef7b7b; --warn-bg: #3a3019; --warn: #e0b347; --input: #151b21; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--font-body); }
a { color: var(--pine); }
h1, h2, h3 { font-family: var(--font-display); margin: 0 0 10px; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: 28px; } h2 { font-size: 18px; } h3 { font-size: 14px; }
.bar { background: #18212b; color: #fff; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; padding: 12px max(16px, env(safe-area-inset-left)); }
.logo { color: #fff; text-decoration: none; font: 800 19px var(--font-display); line-height: 1.1; }
.logo small { display: block; font: 500 11px var(--font-body); letter-spacing: 0.08em; text-transform: uppercase; color: #8fb3a2; }
.top-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; }
.top-nav a, .linkish { color: #dfe7e3; text-decoration: none; font: 500 14px var(--font-body); background: none; border: 0; padding: 4px 0; cursor: pointer; }
.top-nav a:hover, .linkish:hover { color: #fff; text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 16px 70px; display: flex; flex-direction: column; gap: 18px; }
.narrow .wrap { max-width: 640px; }
section { display: flex; flex-direction: column; gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.auth { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 26px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 14px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; align-items: start; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-2); }
input, textarea, select { font: 15px var(--font-body); color: var(--ink); background: var(--input); border: 1px solid var(--line); border-radius: 7px; padding: 9px 11px; width: 100%; }
input:focus, textarea:focus { outline: none; border-color: var(--pine); box-shadow: 0 0 0 3px var(--pine-soft); }
input:disabled { opacity: 0.7; }
:focus-visible { outline: 2px solid var(--pine); outline-offset: 2px; }
.btn { display: inline-block; font: 600 14px var(--font-body); padding: 9px 16px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--pine); }
.btn.pri { background: var(--pine); border-color: var(--pine); color: #fff; }
.btn.sm { padding: 5px 11px; font-size: 13px; }
.btn.ghost { background: none; border-color: transparent; }
.btn.danger { color: var(--neg); }
.inline { display: inline; margin: 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.muted { color: var(--ink-2); font-size: 13.5px; margin: 0; }
.err { color: var(--neg); background: color-mix(in srgb, var(--neg) 10%, transparent); padding: 10px 12px; border-radius: 7px; margin: 0 0 12px; }
.flash { padding: 10px 14px; border-radius: 8px; background: var(--pine-soft); color: var(--ink); margin: 0; overflow-wrap: anywhere; }
.flash.warn { background: var(--warn-bg); color: var(--warn); }
.flash.err { background: color-mix(in srgb, var(--neg) 12%, transparent); color: var(--neg); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.pill { display: inline-block; font: 600 11px var(--font-body); letter-spacing: 0.04em; padding: 1px 8px; border-radius: 99px; background: var(--copper-soft); color: var(--copper); margin-right: 4px; }
.pill.off { background: var(--line-2); color: var(--ink-2); } .pill.you { background: var(--pine-soft); color: var(--pine); }
.top-nav .pill { margin: 0 0 0 4px; }
.tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tool { text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 6px; transition: border-color 0.15s, transform 0.15s; }
.tool:hover { border-color: var(--pine); transform: translateY(-1px); }
.tool p { margin: 0; color: var(--ink-2); font-size: 14px; flex: 1; }
.tool .go { color: var(--pine); font-weight: 600; font-size: 14px; }
.req { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) auto; gap: 16px; align-items: start; }
.quote { margin: 8px 0 0; padding-left: 10px; border-left: 3px solid var(--line); color: var(--ink-2); font-size: 14px; }
.perms { display: flex; flex-wrap: wrap; gap: 6px 16px; }
label.chk { flex-direction: row; align-items: center; gap: 7px; color: var(--ink); font-size: 14px; }
label.chk input { width: auto; }
.users { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 14px; }
.user { display: flex; flex-direction: column; gap: 12px; }
.badges { margin: 4px 0; }
.acts { border-top: 1px solid var(--line-2); padding-top: 10px; }
.tw { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 7px 12px; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
th { font: 600 11px var(--font-body); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-2); }
.course { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 24px; align-items: start; }
.toc { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; position: sticky; top: 12px; }
.toc h3 { margin: 14px 0 4px; } .toc ol { margin: 0; padding-left: 20px; } .toc li { margin: 3px 0; font-size: 14px; }
.toc li.on a { font-weight: 600; color: var(--ink); } .tick { color: var(--pine); }
.progress { height: 6px; border-radius: 99px; background: var(--line-2); overflow: hidden; margin-bottom: 6px; }
.progress span { display: block; height: 100%; background: var(--pine); }
.course-main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.lesson { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px 24px; max-width: 75ch; }
.lesson img { max-width: 100%; height: auto; }
.pager { justify-content: space-between; }
@media (max-width: 760px) { .req { grid-template-columns: minmax(0, 1fr); } .course { grid-template-columns: minmax(0, 1fr); } .toc { position: static; } h1 { font-size: 24px; } }
/* Organize tools */
.org { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; margin-bottom: 14px; }
.org .tier { display: flex; flex-direction: column; gap: 10px; }
.items { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; min-height: 44px; border-radius: 8px; }
.items li { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 6px 8px; padding: 7px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); cursor: grab; }
.items li.empty { cursor: default; color: var(--ink-2); font-size: 13px; border-style: dashed; background: none; }
.items li.dragging { opacity: 0.4; }
.items li.over, .items.over { outline: 2px dashed var(--pine); outline-offset: 2px; }
.items .grip { color: var(--ink-2); font-size: 12px; letter-spacing: -2px; }
.items .nm { min-width: 0; font-size: 14px; font-weight: 500; }
.items select.mv { grid-column: 2 / -1; width: 100%; padding: 4px 8px; font-size: 13px; color: var(--ink-2); }
.items li.empty { display: block; }
.items .ctl { display: flex; align-items: center; gap: 4px; }
.ic { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 6px; width: 28px; height: 28px; cursor: pointer; font-size: 14px; line-height: 1; }
.ic:disabled { opacity: 0.35; cursor: default; }
.ic.rm { color: var(--neg); }
.add select { flex: 1; width: auto; padding: 6px 8px; font-size: 14px; }
.savebar { position: sticky; bottom: 0; background: var(--paper); padding: 10px 0; border-top: 1px solid var(--line); }