/* Yu-Studio Intern – angelehnt an yu-studio.ch (Schwarz, Off-White, Gold) */
:root {
  --bg: #0A0A0A;
  --bg-elev: #121211;
  --bg-card: #151514;
  --bg-input: #1B1B1A;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --fg: #F5F2EC;
  --muted: #9A958C;
  --dim: #6B6862;
  --gold: #C6A47E;
  --gold-strong: #957B5F;
  --on-gold: #0A0A0A;
  --ok: #7FB685;
  --warn: #D9A35B;
  --danger: #E07A6A;
  --radius: 10px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F6F4EF; --bg-elev: #FFFFFF; --bg-card: #FFFFFF; --bg-input: #FBFAF7;
    --line: rgba(0, 0, 0, 0.08); --line-strong: rgba(0, 0, 0, 0.16);
    --fg: #161512; --muted: #6E6960; --dim: #9A958C;
    --gold: #8A6E4F; --gold-strong: #957B5F; --on-gold: #FFFFFF;
    --ok: #3E8A4A; --warn: #A86A17; --danger: #B8432F;
    color-scheme: light;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--fg); font: 14px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold); }
h1 { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
h3 { font-size: 14px; font-weight: 600; margin: 14px 0 6px; }
h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 12px 0 4px; font-weight: 600; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-input); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .right { text-align: right; } .pre { white-space: pre-wrap; }
.ok { color: var(--ok); } .warn { color: var(--warn); } .danger { color: var(--danger); }
.grow { flex: 1; } .nowrap { white-space: nowrap; }
.loading { padding: 80px; text-align: center; color: var(--muted); }

/* Layout */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: var(--bg-elev); padding: 20px 14px; }
.brand { display: flex; align-items: center; gap: 10px; padding: 0 6px 18px; }
.brand strong { display: block; font-size: 15px; letter-spacing: -.01em; }
.brand small { color: var(--gold); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; }
.logo-y { width: 34px; height: 34px; border-radius: 8px; background: #0A0A0A; color: #C6A47E; display: grid; place-items: center; font-weight: 700; font-size: 18px; border: 1px solid rgba(198,164,126,.35); flex: none; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.sidebar nav a:hover { color: var(--fg); background: var(--line); }
.sidebar nav a.active { color: var(--fg); background: var(--line-strong); }
.sidebar nav a.active .ni { color: var(--gold); }
.ni { width: 18px; text-align: center; opacity: .9; }
.me { border-top: 1px solid var(--line); padding-top: 12px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.me small { word-break: break-all; }
.demo-flag { font-size: 11px; color: var(--on-gold); background: var(--gold); padding: 2px 8px; border-radius: 99px; font-weight: 600; }
.menu-btn { display: none; margin-left: auto; }
.content { padding: 32px clamp(16px, 4vw, 48px) 80px; max-width: 1240px; width: 100%; min-width: 0; }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-head p { margin-top: 4px; }
.actions, .row-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Karten */
.card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.card.flush > h3.week-h { margin: 0; padding: 12px 16px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; font-size: 13px; }
.center-card { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.center-card .card { width: min(420px, 100%); }
.card.auth h1 { font-size: 22px; margin: 6px 0 6px; }
.card.auth .brand { padding: 0 0 12px; }
.mfa-qr { display: flex; flex-direction: column; align-items: center; gap: 8px; margin: 12px 0; }
.mfa-qr img { background: #fff; border-radius: 8px; padding: 8px; }
.stack { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 + .card, .kpis + .grid-2 { margin-top: 16px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.kpi { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; display: flex; flex-direction: column; gap: 4px; }
a.kpi:hover { border-color: var(--line-strong); color: inherit; }
.kpi span { color: var(--muted); font-size: 12px; }
.kpi strong { font-size: 22px; font-weight: 600; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi small { color: var(--dim); font-size: 12px; }
.kpi.alert { border-color: color-mix(in srgb, var(--danger) 50%, transparent); }
.kpi.alert strong { color: var(--danger); }

.rows { list-style: none; }
.rows li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); align-items: center; }
.rows li:last-child { border-bottom: 0; }
.rows li > span:last-child { white-space: nowrap; font-variant-numeric: tabular-nums; }
.rows.pick li { cursor: pointer; padding: 8px 6px; border-radius: 6px; }
.rows.pick li:hover { background: var(--line); }
.empty { padding: 28px; text-align: center; color: var(--muted); border: 1px dashed var(--line-strong); border-radius: var(--radius); }
.card .empty { border: 0; padding: 12px; }

/* Tabellen */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; padding: 10px 16px; border-bottom: 1px solid var(--line); }
td { padding: 10px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--line); }
tr.inactive td { opacity: .45; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.card:not(.flush) table th, .card:not(.flush) table td { padding-left: 0; }

/* Badges & Progress */
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--line); color: var(--muted); white-space: nowrap; }
.b-offen, .b-gesendet, .b-aktiv { background: color-mix(in srgb, var(--gold) 18%, transparent); color: var(--gold); }
.b-bezahlt, .b-angenommen, .b-abgeschlossen { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.b-ueberfaellig, .b-abgelehnt { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
.b-storniert { text-decoration: line-through; }
.progress { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; min-width: 80px; margin: 6px 0; }
.progress > div { height: 100%; background: var(--gold); border-radius: 99px; }
.progress.warn > div { background: var(--warn); } .progress.over > div { background: var(--danger); }

/* Buttons & Formulare */
.btn { display: inline-flex; align-items: center; gap: 6px; font: 500 13px var(--sans); padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--bg-elev); color: var(--fg); cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--gold); color: var(--fg); }
.btn.primary { background: var(--gold); border-color: var(--gold); color: var(--on-gold); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--fg); border-color: var(--line-strong); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: default; filter: none; }
.icon-btn { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 15px; padding: 4px 6px; border-radius: 6px; }
.icon-btn:hover { color: var(--fg); background: var(--line); }
.icon-btn:disabled { opacity: .3; }

input, select, textarea { font: 14px var(--sans); color: var(--fg); background: var(--bg-input); border: 1px solid var(--line-strong); border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0; }
textarea { resize: vertical; line-height: 1.45; }
textarea.mono { font-family: var(--mono); font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--gold) 60%, transparent); outline-offset: 0; border-color: var(--gold); }
input.invalid { border-color: var(--danger); }
input[type="checkbox"] { width: auto; accent-color: var(--gold); }
input:disabled, select:disabled, textarea:disabled { opacity: .85; border-color: transparent; background: transparent; padding-left: 0; resize: none; }
fieldset { border: 0; min-width: 0; }
.search { width: 200px; }
.search.full { width: 100%; margin-bottom: 8px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field > span { font-size: 12px; color: var(--muted); font-weight: 500; }
.field small { font-size: 11.5px; color: var(--dim); }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); cursor: pointer; align-self: end; padding-bottom: 9px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.span-2 { grid-column: span 2; }
.form-actions { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.inline { display: flex; gap: 6px; }
.note { font-size: 13px; padding: 8px 10px; border-radius: 8px; }
.note.err { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.note.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.card h2:not(:first-child) { margin-top: 24px; }

.seg { display: inline-flex; background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px; padding: 2px; gap: 2px; }
.seg.wrap { flex-wrap: wrap; margin-bottom: 14px; }
.seg button { font: 500 12.5px var(--sans); background: none; border: 0; color: var(--muted); padding: 5px 11px; border-radius: 6px; cursor: pointer; }
.seg button.on { background: var(--line-strong); color: var(--fg); }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 4px 0 14px; }
.toolbar input, .toolbar select { width: auto; }

/* Zeiterfassung */
.time-form { display: grid; grid-template-columns: 2fr 2fr 1fr .8fr auto auto; gap: 12px; align-items: end; }
.timer { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.clock { font: 600 22px var(--mono); color: var(--gold); font-variant-numeric: tabular-nums; }

/* Projekte */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.project { display: flex; flex-direction: column; gap: 10px; margin: 0; }
.project header { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.project h3 { margin: 0; font-size: 15px; }
.project footer { display: flex; gap: 8px; margin-top: auto; }
dl.mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
dl.mini dt { font-size: 11px; color: var(--muted); }
dl.mini dd { font-size: 13px; font-variant-numeric: tabular-nums; }

/* Offerten/Rechnungen */
.actions-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 12px 16px; }
.doc-form .items { margin: 22px 0 6px; }
.item { display: grid; grid-template-columns: 1fr 80px 90px 100px 100px 64px; gap: 8px; align-items: start; padding: 6px 0; border-bottom: 1px solid var(--line); }
.item.head { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; border-bottom-color: var(--line-strong); }
.item > .num { padding-top: 9px; }
.item-tools { display: flex; padding-top: 3px; }
.item-add { display: flex; gap: 8px; padding: 12px 0; }
.totals { margin: 8px 0 18px auto; width: min(320px, 100%); }
.totals > div { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 5px 0; font-variant-numeric: tabular-nums; }
.totals input { width: 120px; text-align: right; }
.totals .grand { border-top: 1px solid var(--line-strong); margin-top: 4px; padding-top: 10px; font-size: 18px; font-weight: 600; }

/* Wissen */
.wiki { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start; }
.wiki-nav { position: sticky; top: 16px; padding: 10px 14px 16px; max-height: calc(100vh - 32px); overflow-y: auto; }
.wiki-nav a { display: block; padding: 5px 8px; border-radius: 6px; color: var(--muted); font-size: 13.5px; }
.wiki-nav a.active { background: var(--line-strong); color: var(--fg); }
.wiki-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.wiki-head h2 { font-size: 22px; margin: 2px 0 0; letter-spacing: -.01em; }
.md { max-width: 70ch; line-height: 1.65; margin-bottom: 20px; }
.md h2 { font-size: 16px; margin: 20px 0 8px; } .md h3 { font-size: 14px; }
.md p { margin: 8px 0; } .md ul, .md ol { margin: 8px 0 8px 22px; } .md li { margin: 3px 0; }
.md a { color: var(--gold); text-decoration: underline; } .md strong { color: var(--fg); font-weight: 600; }

/* Modal & Toast */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: grid; place-items: center; padding: 16px; z-index: 50; backdrop-filter: blur(3px); }
.modal { background: var(--bg-elev); border: 1px solid var(--line-strong); border-radius: 14px; width: min(560px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; }
.modal.wide { width: min(860px, 100%); }
.modal header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal header h2 { margin: 0; }
.modal-body { padding: 20px; overflow-y: auto; }
.toasts { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-weight: 500; box-shadow: 0 8px 30px rgba(0,0,0,.3); max-width: 380px; }
.toast.err { background: var(--danger); color: #fff; }

/* Responsive */
@media (max-width: 1000px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .time-form { grid-template-columns: 1fr 1fr; }
  .wiki { grid-template-columns: 1fr; } .wiki-nav { position: static; max-height: none; }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: sticky; height: auto; z-index: 40; padding: 10px 16px; flex-direction: column; }
  .brand { padding: 0; }
  .menu-btn { display: block; }
  .sidebar nav, .sidebar .me { display: none; }
  .sidebar.open nav, .sidebar.open .me { display: flex; }
  .sidebar.open nav { margin-top: 10px; }
  .sidebar.open .me { margin-top: 10px; }
  .content { padding: 20px 16px 80px; }
  h1 { font-size: 22px; }
  .grid-2, .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .hide-sm { display: none; }
  .search { width: 100%; }
  .page-head .actions { width: 100%; }
  .item { grid-template-columns: 1fr 1fr 1fr; }
  .item.head { display: none; }
  .item > textarea { grid-column: 1 / -1; }
  .item > .num { text-align: left; }
  td, th { padding: 9px 12px; }
  .cards { grid-template-columns: 1fr; }
}