:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #64748b;
  --line: #dbe3ee;
  --accent: #0f62fe;
  --accent-dark: #0530ad;
  --danger: #b42318;
  --success: #027a48;
  --shadow: 0 14px 36px rgba(15, 35, 70, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--bg); }
button, input, select, textarea { font: inherit; }
.masthead { min-height: 150px; padding: 30px clamp(20px, 5vw, 72px); background: #101828; color: white; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
h1 { margin: 6px 0 0; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; }
h2 { margin: 2px 0; font-size: 1.25rem; }
h3 { margin: 0 0 12px; font-size: .95rem; }
.eyebrow { margin: 0; color: #78a9ff; text-transform: uppercase; letter-spacing: .12em; font-size: .71rem; font-weight: 800; }
.status-cluster { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.status-dot { color: #d1e2ff; font-size: .9rem; }
main { width: min(1460px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 60px; }
.notice { background: #e8f1ff; border-left: 4px solid var(--accent); padding: 14px 18px; margin-bottom: 20px; line-height: 1.5; }
.hero-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.metric, .panel { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.metric { min-height: 150px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; }
.metric span, .metric small { color: var(--muted); }
.metric strong { font-size: clamp(1.45rem, 2.3vw, 2.25rem); letter-spacing: -.04em; }
.metric-primary { background: var(--accent); color: white; border-color: var(--accent); }
.metric-primary span, .metric-primary small { color: #d6e4ff; }
.panel { padding: 22px; margin-bottom: 16px; }
.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.tag { color: var(--accent-dark); background: #edf4ff; padding: 6px 9px; font-size: .75rem; }
.workspace-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.workspace-grid .panel { margin-bottom: 0; }
.chart-panel { min-height: 320px; }
.chart-empty { min-height: 230px; display: grid; place-items: center; color: var(--muted); background: linear-gradient(180deg, #fbfdff, #f7faff); }
.chart-svg { width: 100%; min-height: 240px; display: block; touch-action: pan-y; }
.chart-svg:focus { outline: 3px solid rgba(15, 98, 254, .35); outline-offset: 2px; }
.chart-grid { stroke: #dbe3ee; stroke-width: 1; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 3; vector-effect: non-scaling-stroke; }
.chart-line.benchmark-series { stroke: #94a3b8; stroke-width: 2; stroke-dasharray: 7 5; }
.chart-line.purchase-series { stroke: var(--accent); stroke-width: 3; }
.chart-dot.benchmark-series { fill: #f8fafc; stroke: #64748b; }
.chart-dot.purchase-series { fill: white; stroke: var(--accent); }
.chart-area { fill: rgba(15, 98, 254, .09); }
.chart-dot { fill: white; stroke: var(--accent); stroke-width: 2; }
.chart-guide { stroke: #475569; stroke-width: 1.5; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
.chart-marker { fill: white; stroke: var(--danger); stroke-width: 3; vector-effect: non-scaling-stroke; }
.chart-tooltip rect { fill: #101828; opacity: .94; }
.chart-tooltip text { fill: white; font-size: 12px; }
.chart-label { fill: var(--muted); font-size: 11px; }
.history-panel { border-top: 5px solid var(--accent); padding-top: 26px; }
.history-panel h2 { font-size: clamp(1.55rem, 2.5vw, 2.15rem); }
.history-controls { display: grid; grid-template-columns: minmax(280px, 2fr) minmax(150px, .6fr); gap: 14px; margin-bottom: 16px; padding: 14px; background: #edf4ff; }
.series-toggle-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0 0 16px; padding: 0; border: 0; }
.series-toggle-grid legend { width: 100%; margin-bottom: 8px; color: var(--ink); font-size: .86rem; font-weight: 750; }
.series-toggle { display: flex; align-items: center; gap: 13px; min-height: 76px; padding: 13px 15px; border: 2px solid var(--line); background: white; color: var(--ink); cursor: pointer; transition: border-color .15s ease, background .15s ease, box-shadow .15s ease; }
.series-toggle:hover { border-color: #8aa8d0; box-shadow: 0 4px 14px rgba(15, 98, 254, .09); }
.series-toggle:has(input:checked) { background: #edf4ff; border-color: var(--accent); }
.series-toggle input[type="checkbox"] { width: 23px; height: 23px; min-height: 23px; margin: 0; flex: 0 0 23px; accent-color: var(--accent); cursor: pointer; }
.series-toggle strong, .series-toggle small { display: block; }
.series-toggle strong { margin-bottom: 3px; color: var(--ink); font-size: .92rem; }
.series-toggle small { color: var(--muted); font-size: .76rem; font-weight: 500; line-height: 1.35; }
.series-swatch { width: 42px; height: 0; flex: 0 0 42px; border-top: 4px solid var(--accent); }
.series-toggle-actual .series-swatch { border-top-color: var(--accent); border-top-style: solid; }
.series-toggle-benchmark .series-swatch { border-top-color: #7c8da6; border-top-style: dashed; }
.series-toggle-benchmark:has(input:checked) { border-color: #7c8da6; background: #f3f6fa; }
.history-summary { display: grid; grid-template-columns: minmax(230px, .8fr) 3fr; gap: 14px; margin-bottom: 14px; }
.history-summary .metric { margin: 0; }
.change-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.change-card { min-height: 150px; padding: 18px; background: #f8fafc; border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.change-card span, .change-card small { color: var(--muted); }
.change-card strong { font-size: 1.35rem; }
.change-up { border-top: 5px solid var(--success); background: #ecfdf3; }
.change-up strong, .coverage-current { color: var(--success); }
.change-down { border-top: 5px solid var(--danger); background: #fef3f2; }
.change-down strong, .coverage-warning { color: var(--danger); }
.change-flat, .change-na { border-top: 5px solid var(--muted); }
.history-chart-canvas { min-height: 340px; background: linear-gradient(180deg, #fbfdff, #f7faff); border: 1px solid var(--line); overflow-x: auto; }
.history-chart-svg { min-width: 720px; }
.warning-tag { color: #92400e; background: #fffbeb; }
.coverage-table { display: grid; border: 1px solid var(--line); overflow-x: auto; }
.coverage-table table { width: 100%; min-width: 1280px; border-collapse: collapse; font-size: .82rem; }
.coverage-table th, .coverage-table td { padding: 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.coverage-table th { background: #eef4fb; position: sticky; top: 0; }
.coverage-table tbody tr:nth-child(even) { background: #f8fafc; }
.coverage-row { min-width: 880px; display: grid; grid-template-columns: 1.5fr 1fr .8fr 1.5fr; gap: 12px; padding: 12px 14px; align-items: center; border-bottom: 1px solid var(--line); font-size: .84rem; }
.coverage-row:last-child { border-bottom: 0; }
.coverage-row:nth-child(even) { background: #f8fafc; }
.coverage-row small { display: block; margin-top: 4px; color: var(--muted); font-weight: 400; }
.coverage-head { color: white; background: #101828 !important; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: end; }
label { display: grid; gap: 6px; color: var(--muted); font-size: .82rem; font-weight: 650; }
input, select, textarea { width: 100%; min-height: 42px; border: 1px solid #aebdce; background: white; padding: 9px 11px; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(15, 98, 254, .16); border-color: var(--accent); }
input[type="checkbox"] { width: auto; min-height: auto; }
.template-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.form-error { display: none; padding: 11px; color: var(--danger); background: #fef3f2; border-left: 4px solid var(--danger); font-size: .86rem; }
.form-error.visible { display: block; }
.button { min-height: 42px; border: 1px solid var(--accent); background: white; color: var(--accent-dark); padding: 9px 15px; cursor: pointer; font-weight: 750; }
.button:hover { background: #edf4ff; }
.button-primary { color: white; background: var(--accent); }
.button-primary:hover { background: var(--accent-dark); }
.button:disabled { opacity: .55; cursor: wait; }
.result-card { margin-top: 16px; padding: 16px; background: #f7f9fc; border-left: 4px solid var(--accent); line-height: 1.6; }
.helper { color: var(--muted); font-size: .86rem; line-height: 1.55; }
.help-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  margin-left: .2rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  background: var(--surface);
  font-size: .72rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: help;
}
.help-tip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.forecast-research { margin-top: 1rem; }
.forecast-research > summary { cursor: pointer; font-weight: 700; color: var(--accent); }
.event-list { display: grid; gap: .7rem; }
.event-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7f9fc;
}
.event-card div { display: grid; gap: .25rem; }
.event-card span, .event-card small { color: var(--muted); font-size: .78rem; }
.event-card a { flex: 0 0 auto; color: var(--accent); font-weight: 700; }
.admin-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.inline-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.stacked-form { display: grid; gap: 8px; }
.data-list { list-style: none; padding: 0; margin: 14px 0 0; max-height: 220px; overflow: auto; }
.data-list li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: .88rem; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.delete-button { border: 1px solid #b42318; color: #b42318; background: white; padding: 5px 8px; cursor: pointer; font-weight: 700; }
.delete-button:hover { color: white; background: #b42318; }
.delete-button:disabled { opacity: .55; cursor: wait; }
.source-table { display: grid; gap: 8px; }
.source-row { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1.4fr; gap: 12px; padding: 13px; background: #f8fafc; align-items: center; font-size: .86rem; }
.source-ok { color: var(--success); font-weight: 750; }
.source-manual { color: var(--accent); font-weight: 750; }
.source-error { color: var(--danger); font-weight: 750; }
.source-disabled { color: var(--muted); font-weight: 750; }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: 380px; padding: 14px 18px; color: white; background: #101828; box-shadow: var(--shadow); opacity: 0; transform: translateY(15px); pointer-events: none; transition: .2s ease; }
.toast.visible { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }
.forecast-panel { border: 3px solid #b42318; padding-top: 0; overflow: hidden; }
.forecast-warning { margin: 0 -22px 22px; padding: 16px 22px; color: white; background: #b42318; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.forecast-warning strong { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .03em; }
.forecast-grid { grid-template-columns: repeat(2, 1fr); }
.forecast-panel h3 { margin-top: 22px; }
#forecast-methodology { margin-top: 16px; padding: 12px 14px; background: #f8fafc; border: 1px solid var(--line); }
#forecast-methodology summary { cursor: pointer; font-weight: 750; }
.advanced-panel { display: none !important; }
body.show-advanced section.advanced-panel,
body.show-advanced article.advanced-panel { display: block !important; }
body.show-advanced .workspace-grid.advanced-panel,
body.show-advanced .admin-grid.advanced-panel { display: grid !important; }
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: repeat(2, 1fr); }
  .workspace-grid, .admin-grid, .history-summary { grid-template-columns: 1fr; }
  .change-grid { grid-template-columns: repeat(2, 1fr); }
  .workspace-grid .panel { margin-bottom: 16px; }
}
@media (max-width: 640px) {
  .masthead { align-items: flex-start; flex-direction: column; }
  main { width: min(100% - 20px, 1460px); padding-top: 10px; }
  .hero-grid, .form-grid, .history-controls, .series-toggle-grid, .change-grid { grid-template-columns: 1fr; }
  .source-row { grid-template-columns: 1fr; gap: 4px; }
  .panel, .metric { padding: 17px; }
}

/* Kaufsignal-Ampel */
.signal-banner { display: flex; flex-direction: column; gap: 6px; padding: 22px; margin-bottom: 16px; color: white; background: var(--muted); }
.signal-banner strong { font-size: clamp(1.5rem, 2.6vw, 2.3rem); letter-spacing: -.03em; }
.signal-banner span { color: rgba(255, 255, 255, .88); }
.signal-banner[data-signal="loading"] { background: #64748b; }
.signal-banner[data-signal="not_assessable"] { background: #64748b; }
.signal-banner[data-signal="buy_now"] { background: var(--success); }
.signal-banner[data-signal="buy_staggered"] { background: #0e7490; }
.signal-banner[data-signal="monitor"] { background: #475569; }
.signal-banner[data-signal="cover_demand"] { background: #b45309; }
.signal-banner[data-signal="hold_purchases"] { background: var(--danger); }
.signal-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.signal-columns h3 { margin-bottom: 8px; }
.signal-list { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; line-height: 1.45; font-size: .92rem; }
@media (max-width: 860px) { .signal-columns { grid-template-columns: 1fr; } }

/* Import-Routine-Schritte */
.import-steps { margin: 0 0 10px; padding-left: 20px; display: flex; flex-direction: column; gap: 5px; line-height: 1.45; }

/* Login-Seite */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-main { width: min(430px, calc(100% - 32px)); }
.login-panel h1 { font-size: 1.7rem; margin: 6px 0 4px; letter-spacing: -.03em; }
.login-panel .eyebrow { color: var(--accent-dark); }
.logout-form { display: inline; }