/* ---------- Theme-Variablen ---------------------------------------- */
:root {
  --bg: #f1f5f9; --card: #ffffff; --line: #e2e8f0;
  --text: #0f172a; --muted: #64748b;
  --accent: #2563eb; --accent-dark: #1d4ed8; --danger: #dc2626;
  --input-bg: #ffffff; --input-border: #cbd5e1;
  --hover: #f8fafc;
  --topbar-bg: #0f172a; --topbar-text: #cbd5e1; --topbar-who: #94a3b8;
  --comment-bg: #fffbeb; --comment-border: #fde68a;
  --badge-bg: #e2e8f0; --badge-text: #334155;
  --badge-admin-bg: #dbeafe; --badge-admin-text: #1d4ed8;
  --flash-ok-bg: #dcfce7; --flash-ok-text: #166534;
  --flash-err-bg: #fee2e2; --flash-err-text: #991b1b;
  --hi-bg: #fee2e2; --hi-text: #991b1b;
  --lo-bg: #dbeafe; --lo-text: #1e40af;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.04);
  /* Diagramme (werden in den inline-SVGs referenziert) */
  --chart-bg: #ffffff; --chart-grid: #e5e7eb; --chart-grid-soft: #f3f4f6;
  --chart-label: #6b7280; --chart-axis: #9ca3af; --chart-strong: #374151;
}

[data-theme="dark"] {
  --bg: #0b1120; --card: #101a30; --line: #24324d;
  --text: #e2e8f0; --muted: #8fa2bc;
  --accent: #3b82f6; --accent-dark: #2563eb; --danger: #ef4444;
  --input-bg: #0b1327; --input-border: #33436a;
  --hover: #16213a;
  --topbar-bg: #070d1a; --topbar-text: #cbd5e1; --topbar-who: #7e8faa;
  --comment-bg: #2a2410; --comment-border: #57491b;
  --badge-bg: #24324d; --badge-text: #cbd5e1;
  --badge-admin-bg: #1e3a6e; --badge-admin-text: #93c5fd;
  --flash-ok-bg: #10321e; --flash-ok-text: #6ee7a0;
  --flash-err-bg: #3a1414; --flash-err-text: #fca5a5;
  --hi-bg: #4a1616; --hi-text: #fca5a5;
  --lo-bg: #142a52; --lo-text: #93c5fd;
  --shadow: 0 1px 3px rgb(0 0 0 / 0.4);
  --chart-bg: #101a30; --chart-grid: #24324d; --chart-grid-soft: #182642;
  --chart-label: #8fa2bc; --chart-axis: #55688c; --chart-strong: #c3d0e2;
}

/* Systemeinstellung „dunkel“, solange der Nutzer nicht explizit umschaltet */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1120; --card: #101a30; --line: #24324d;
    --text: #e2e8f0; --muted: #8fa2bc;
    --accent: #3b82f6; --accent-dark: #2563eb; --danger: #ef4444;
    --input-bg: #0b1327; --input-border: #33436a;
    --hover: #16213a;
    --topbar-bg: #070d1a; --topbar-text: #cbd5e1; --topbar-who: #7e8faa;
    --comment-bg: #2a2410; --comment-border: #57491b;
    --badge-bg: #24324d; --badge-text: #cbd5e1;
    --badge-admin-bg: #1e3a6e; --badge-admin-text: #93c5fd;
    --flash-ok-bg: #10321e; --flash-ok-text: #6ee7a0;
    --flash-err-bg: #3a1414; --flash-err-text: #fca5a5;
    --hi-bg: #4a1616; --hi-text: #fca5a5;
    --lo-bg: #142a52; --lo-text: #93c5fd;
    --shadow: 0 1px 3px rgb(0 0 0 / 0.4);
    --chart-bg: #101a30; --chart-grid: #24324d; --chart-grid-soft: #182642;
    --chart-label: #8fa2bc; --chart-axis: #55688c; --chart-strong: #c3d0e2;
  }
}

/* ---------- Basis --------------------------------------------------- */
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 980px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar {
  background: var(--topbar-bg); color: var(--topbar-text); display: flex;
  align-items: center; justify-content: space-between; padding: 10px 24px;
}
.topbar a { color: var(--topbar-text); text-decoration: none; margin-left: 18px; }
.topbar a:hover { color: #fff; }
.topbar .brand { font-weight: 700; font-size: 17px; color: #fff; margin: 0; }
.topbar .who { margin-left: 18px; color: var(--topbar-who); }
#theme-toggle {
  background: none; border: 1px solid var(--topbar-who); border-radius: 7px;
  margin-left: 18px; padding: 3px 9px; font-size: 15px; cursor: pointer;
  line-height: 1.4;
}
#theme-toggle:hover { border-color: #fff; background: none; }

h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start;
             gap: 16px; margin: 8px 0 18px; }
.muted { color: var(--muted); } .small { font-size: 13px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.card.narrow { max-width: 380px; margin: 60px auto; }
.card.comment { white-space: pre-wrap; background: var(--comment-bg);
                border-color: var(--comment-border); }

.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 800px) { .chart-row { grid-template-columns: 1fr; } }
svg.chart { width: 100%; height: auto; display: block; }

label { display: block; margin-bottom: 14px; font-weight: 600; font-size: 13px; }
input, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--input-border); border-radius: 7px; font: inherit;
  font-weight: 400; background: var(--input-bg); color: var(--text);
}
input:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }

button, .btn {
  background: var(--accent); color: #fff; border: 0; border-radius: 7px;
  padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer;
  text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: var(--accent-dark); }
button.danger { background: var(--danger); }
button.danger:hover { filter: brightness(0.85); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400;
              font-size: 13px; text-decoration: underline; }
button.link:hover { background: none; }
form.inline { display: inline; }

table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-size: 12px; text-transform: uppercase;
                letter-spacing: 0.04em; color: var(--muted);
                border-bottom: 2px solid var(--line); padding: 6px 10px; }
table.list td { padding: 9px 10px; border-bottom: 1px solid var(--line); }
table.list tr:hover td { background: var(--hover); }
table.list a { color: var(--accent); font-weight: 600; text-decoration: none; }

.matrix-wrap { overflow-x: auto; }
table.matrix { border-collapse: collapse; }
table.matrix th { font-size: 11px; color: var(--muted); padding: 4px 6px; }
table.matrix td { padding: 2px; }
table.matrix input.cell {
  width: 76px; margin: 0; padding: 6px 8px; text-align: right;
  font-variant-numeric: tabular-nums;
}
table.matrix.view td {
  border: 1px solid var(--line); padding: 6px 12px; text-align: right;
  font-variant-numeric: tabular-nums; min-width: 70px;
}
table.matrix.view td.hi { background: var(--hi-bg); color: var(--hi-text); font-weight: 700; }
table.matrix.view td.lo { background: var(--lo-bg); color: var(--lo-text); font-weight: 700; }

.stats { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 16px; min-width: 120px;
}
.stat .k { display: block; font-size: 11px; text-transform: uppercase;
           letter-spacing: 0.04em; color: var(--muted); }
.stat .v { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .pos { display: block; font-size: 11px; color: var(--muted); }

.badge { background: var(--badge-bg); color: var(--badge-text); border-radius: 99px;
         padding: 2px 10px; font-size: 12px; font-weight: 600; }
.badge.admin { background: var(--badge-admin-bg); color: var(--badge-admin-text); }

.flash { border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; font-weight: 500; }
.flash-ok { background: var(--flash-ok-bg); color: var(--flash-ok-text); }
.flash-error { background: var(--flash-err-bg); color: var(--flash-err-text); }

.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input { width: auto; margin: 0; }
.inline-form label.check { display: flex; gap: 6px; align-items: center;
                           margin: 0; font-weight: 400; }
.inline-form label.check input { width: auto; }

/* Sparkline-Vorschau in der Liste */
td.spark-cell { width: 122px; padding-top: 5px; padding-bottom: 5px; }
td.spark-cell a { display: block; line-height: 0; }
svg.spark {
  width: 110px; height: 34px; display: block;
  background: var(--hover); border: 1px solid var(--line); border-radius: 6px;
}
tr:hover svg.spark { border-color: var(--accent); }