/* =====================================================================
   Huber-Tech-Dashboard – "Control Room"
   Kühler Graphit-Grund · Teal→Cyan Signal-Akzent · Mono-Telemetrie
   Beide Themes über Tokens (Media-Query + data-theme-Override).
   ===================================================================== */

:root {
  color-scheme: light dark;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* ---- Light (Standard) ---- */
  --bg:            #e8edf3;
  --bg-glow:       rgba(13,148,136,0.10);
  --surface:       #ffffff;
  --surface-2:     #f3f6fb;
  --surface-3:     #e9eef6;
  --border:        #dbe2ee;
  --border-strong: #c4cedd;
  --text:          #0f1a2b;
  --muted:         #57647c;
  --faint:         #8a95a8;

  --brand:        #0d9488;
  --brand-2:      #0891b2;
  --brand-ink:    #ffffff;
  --brand-soft:   rgba(13,148,136,0.10);
  --brand-border: rgba(13,148,136,0.28);

  --success: #15925b; --success-soft: rgba(21,146,91,0.12); --success-border: rgba(21,146,91,0.28);
  --warning: #b47217; --warning-soft: rgba(180,114,23,0.12); --warning-border: rgba(180,114,23,0.28);
  --danger:  #d43a54; --danger-soft:  rgba(212,58,84,0.12);  --danger-border:  rgba(212,58,84,0.28);
  --info:    #2563eb; --info-soft:    rgba(37,99,235,0.12);   --info-border:    rgba(37,99,235,0.26);

  --ai:     #0d9488; --ai-soft:     rgba(13,148,136,0.12);  --ai-border:     rgba(13,148,136,0.30);
  --person: #4f56d8; --person-soft: rgba(79,86,216,0.12);   --person-border: rgba(79,86,216,0.28);
  --both:   #8b46c9; --both-soft:   rgba(139,70,201,0.12);  --both-border:   rgba(139,70,201,0.28);

  --shadow:    0 10px 28px rgba(15,30,55,0.10);
  --shadow-sm: 0 2px 8px rgba(15,30,55,0.06);
  --ring: 0 0 0 3px var(--brand-soft);

  font-family: var(--font-sans);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:            #090d15;
    --bg-glow:       rgba(34,211,222,0.10);
    --surface:       #101724;
    --surface-2:     #16202f;
    --surface-3:     #1d293a;
    --border:        #243040;
    --border-strong: #33414f;
    --text:          #e7eef8;
    --muted:         #8a99af;
    --faint:         #5b6a7e;

    --brand:        #19c3b2;
    --brand-2:      #3fd9e6;
    --brand-ink:    #04140f;
    --brand-soft:   rgba(25,195,178,0.14);
    --brand-border: rgba(25,195,178,0.36);

    --success: #35d17f; --success-soft: rgba(53,209,127,0.15); --success-border: rgba(53,209,127,0.36);
    --warning: #eab24a; --warning-soft: rgba(234,178,74,0.15);  --warning-border: rgba(234,178,74,0.36);
    --danger:  #f4677d; --danger-soft:  rgba(244,103,125,0.15); --danger-border:  rgba(244,103,125,0.38);
    --info:    #5fa0ff; --info-soft:    rgba(95,160,255,0.15);   --info-border:    rgba(95,160,255,0.34);

    --ai:     #2dd4c4; --ai-soft:     rgba(45,212,196,0.15);  --ai-border:     rgba(45,212,196,0.38);
    --person: #8b93ff; --person-soft: rgba(139,147,255,0.15); --person-border: rgba(139,147,255,0.36);
    --both:   #c08bff; --both-soft:   rgba(192,139,255,0.15); --both-border:   rgba(192,139,255,0.36);

    --shadow:    0 16px 40px rgba(0,0,0,0.45);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.35);
  }
}

/* Explizite Theme-Overrides gewinnen in beide Richtungen. */
:root[data-theme="light"] {
  --bg: #e8edf3; --bg-glow: rgba(13,148,136,0.10);
  --surface: #ffffff; --surface-2: #f3f6fb; --surface-3: #e9eef6;
  --border: #dbe2ee; --border-strong: #c4cedd;
  --text: #0f1a2b; --muted: #57647c; --faint: #8a95a8;
  --brand: #0d9488; --brand-2: #0891b2; --brand-ink: #ffffff;
  --brand-soft: rgba(13,148,136,0.10); --brand-border: rgba(13,148,136,0.28);
  --success: #15925b; --success-soft: rgba(21,146,91,0.12); --success-border: rgba(21,146,91,0.28);
  --warning: #b47217; --warning-soft: rgba(180,114,23,0.12); --warning-border: rgba(180,114,23,0.28);
  --danger: #d43a54; --danger-soft: rgba(212,58,84,0.12); --danger-border: rgba(212,58,84,0.28);
  --info: #2563eb; --info-soft: rgba(37,99,235,0.12); --info-border: rgba(37,99,235,0.26);
  --ai: #0d9488; --ai-soft: rgba(13,148,136,0.12); --ai-border: rgba(13,148,136,0.30);
  --person: #4f56d8; --person-soft: rgba(79,86,216,0.12); --person-border: rgba(79,86,216,0.28);
  --both: #8b46c9; --both-soft: rgba(139,70,201,0.12); --both-border: rgba(139,70,201,0.28);
  --shadow: 0 10px 28px rgba(15,30,55,0.10); --shadow-sm: 0 2px 8px rgba(15,30,55,0.06);
}
:root[data-theme="dark"] {
  --bg: #090d15; --bg-glow: rgba(34,211,222,0.10);
  --surface: #101724; --surface-2: #16202f; --surface-3: #1d293a;
  --border: #243040; --border-strong: #33414f;
  --text: #e7eef8; --muted: #8a99af; --faint: #5b6a7e;
  --brand: #19c3b2; --brand-2: #3fd9e6; --brand-ink: #04140f;
  --brand-soft: rgba(25,195,178,0.14); --brand-border: rgba(25,195,178,0.36);
  --success: #35d17f; --success-soft: rgba(53,209,127,0.15); --success-border: rgba(53,209,127,0.36);
  --warning: #eab24a; --warning-soft: rgba(234,178,74,0.15); --warning-border: rgba(234,178,74,0.36);
  --danger: #f4677d; --danger-soft: rgba(244,103,125,0.15); --danger-border: rgba(244,103,125,0.38);
  --info: #5fa0ff; --info-soft: rgba(95,160,255,0.15); --info-border: rgba(95,160,255,0.34);
  --ai: #2dd4c4; --ai-soft: rgba(45,212,196,0.15); --ai-border: rgba(45,212,196,0.38);
  --person: #8b93ff; --person-soft: rgba(139,147,255,0.15); --person-border: rgba(139,147,255,0.36);
  --both: #c08bff; --both-soft: rgba(192,139,255,0.15); --both-border: rgba(192,139,255,0.36);
  --shadow: 0 16px 40px rgba(0,0,0,0.45); --shadow-sm: 0 2px 10px rgba(0,0,0,0.35);
}

/* ---- Base ---- */
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background:
    radial-gradient(1100px 620px at 82% -8%, var(--bg-glow), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font: 400 14px/1.55 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }
.muted { color: var(--muted); }
h1, h2, h3 { margin: 0; font-weight: 640; letter-spacing: -0.015em; text-wrap: balance; }

/* Uppercase Mono-Mikrolabels (Telemetrie-Charakter) */
.kpi-label, .table th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--faint);
  font-weight: 500;
}

/* =====================================================================
   Login
   ===================================================================== */
.login-body {
  display: grid; place-items: center; min-height: 100vh; padding: 24px;
  background:
    radial-gradient(900px 500px at 50% -12%, var(--brand-soft), transparent 58%),
    var(--bg);
}
.login-card {
  width: min(392px, 94vw); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 34px; box-shadow: var(--shadow); text-align: center;
  position: relative; overflow: hidden;
}
.login-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.login-logo {
  width: 54px; height: 54px; margin: 4px auto 18px; border-radius: 15px;
  display: grid; place-items: center; font-family: var(--font-mono); font-weight: 700; font-size: 18px;
  color: var(--brand-ink); background: linear-gradient(140deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 22px var(--brand-soft);
}
.login-card h1 { font-size: 20px; }
.login-card form { margin-top: 24px; text-align: left; display: grid; gap: 15px; }

label { display: grid; gap: 6px; font-size: 12.5px; color: var(--muted); font-weight: 500; }
input:not([type=checkbox]):not([type=radio]), select, textarea {
  width: 100%; padding: 10px 12px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--r-sm); color: var(--text); font: inherit;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: var(--ring); }
input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--brand); cursor: pointer; }
input[type=color] { padding: 4px; height: 42px; cursor: pointer; }
textarea { resize: vertical; min-height: 64px; }
.form-error { color: var(--danger); font-size: 12.5px; margin: 2px 0 0; }

/* =====================================================================
   Buttons
   ===================================================================== */
.btn {
  cursor: pointer; border: 1px solid var(--border-strong); background: var(--surface-2);
  color: var(--text); padding: 8px 14px; border-radius: var(--r-sm); font: inherit; font-weight: 550;
  transition: transform .12s, filter .15s, background .15s, border-color .15s;
}
.btn:hover { border-color: var(--brand-border); background: var(--surface-3); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); border-color: transparent;
  color: var(--brand-ink); font-weight: 600; box-shadow: 0 6px 16px var(--brand-soft);
}
.btn-primary:hover { filter: brightness(1.06); border-color: transparent; }
.btn-danger { border-color: var(--danger-border); color: var(--danger); background: var(--danger-soft); }
.btn-danger:hover { background: var(--danger-soft); filter: brightness(1.08); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-block { width: 100%; }
.btn-icon { padding: 6px 9px; line-height: 1; }

/* =====================================================================
   App-Shell
   ===================================================================== */
.app { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.sidebar {
  background: color-mix(in srgb, var(--surface) 70%, var(--bg));
  border-right: 1px solid var(--border);
  padding: 20px 14px; display: flex; flex-direction: column; gap: 8px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 4px 8px 18px; }
.brand-logo {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; color: var(--brand-ink);
  background: linear-gradient(140deg, var(--brand), var(--brand-2)); box-shadow: 0 6px 16px var(--brand-soft);
}
.brand-name { font-weight: 680; letter-spacing: -0.01em; }
.nav { display: grid; gap: 3px; }
.nav-item {
  text-align: left; background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: 9px 12px; border-radius: var(--r-sm); cursor: pointer; font: inherit; font-weight: 550;
  transition: background .14s, color .14s, border-color .14s;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item:focus-visible { outline: none; box-shadow: var(--ring); }
.nav-item.active {
  background: var(--brand-soft); color: var(--brand); border-color: var(--brand-border); font-weight: 620;
}
.sidebar-foot { margin-top: auto; display: grid; gap: 3px; }
#theme-btn { font-family: var(--font-mono); font-size: 12.5px; }
.user-tag { color: var(--faint); font-size: 11px; padding: 8px 12px; font-family: var(--font-mono); }

.content { padding: 26px 30px 64px; max-width: 1200px; width: 100%; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 16px; }
.topbar h1 { font-size: 23px; }
.view { display: grid; gap: 18px; }

/* =====================================================================
   KPI-Kacheln (Ablesungen)
   ===================================================================== */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); gap: 14px; }
.kpi {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 16px 18px 15px; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .15s, border-color .15s;
  animation: rise .4s ease both;
}
.kpi:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.kpi::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--tone, var(--brand)); opacity: .9;
}
.kpi[data-tone="brand"]   { --tone: var(--brand); }
.kpi[data-tone="info"]    { --tone: var(--info); }
.kpi[data-tone="ai"]      { --tone: var(--ai); }
.kpi[data-tone="success"] { --tone: var(--success); }
.kpi[data-tone="danger"]  { --tone: var(--danger); }
.kpi[data-tone="muted"]   { --tone: var(--faint); }
.kpi-value {
  font-family: var(--font-mono); font-size: 30px; font-weight: 620; margin-top: 8px;
  letter-spacing: -0.02em; font-variant-numeric: tabular-nums; color: var(--text);
}
.kpi-sub { color: var(--muted); font-size: 12px; margin-top: 5px; }

/* =====================================================================
   Panels
   ===================================================================== */
.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 20px; box-shadow: var(--shadow-sm); animation: rise .4s ease both;
}
.panel h2 { font-size: 14.5px; margin-bottom: 15px; }
.section-title { display: flex; align-items: center; justify-content: space-between; }

/* =====================================================================
   Projektkarten (aufklappbar)
   ===================================================================== */
.project-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  overflow: hidden; box-shadow: var(--shadow-sm); border-left: 3px solid var(--proj, var(--brand));
  transition: border-color .15s, box-shadow .2s;
}
.project-card:hover { box-shadow: var(--shadow); }
.project-card.open { box-shadow: var(--shadow); }
.project-head { display: flex; align-items: center; gap: 14px; padding: 15px 18px; cursor: pointer; }
.project-head:hover { background: var(--surface-2); }
.proj-dot { width: 11px; height: 11px; border-radius: 3px; flex: 0 0 auto; box-shadow: 0 0 0 3px color-mix(in srgb, var(--proj, var(--brand)) 18%, transparent); }
.proj-main { flex: 1; min-width: 0; }
.proj-title { font-weight: 620; display: flex; align-items: center; gap: 9px; }
.proj-desc { color: var(--muted); font-size: 12.5px; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.proj-meta { display: flex; align-items: center; gap: 18px; }
.progress { width: 146px; }
.progress-bar { height: 7px; background: var(--surface-3); border-radius: var(--r-pill); overflow: hidden; }
.progress-bar > span { display: block; height: 100%; border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--brand), var(--brand-2)); transition: width .5s cubic-bezier(.2,.8,.2,1); }
.progress-label { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-top: 5px; text-align: right; font-variant-numeric: tabular-nums; }
.chevron { color: var(--faint); transition: transform .2s ease, color .15s; font-size: 12px; }
.project-head:hover .chevron { color: var(--brand); }
.project-card.open .chevron { transform: rotate(90deg); color: var(--brand); }
.project-body { display: none; border-top: 1px solid var(--border); padding: 8px 18px 18px; background: color-mix(in srgb, var(--surface-2) 55%, transparent); }
.project-card.open .project-body { display: block; }

/* Subtabs */
.subtabs { display: flex; gap: 6px; margin: 15px 0; flex-wrap: wrap; align-items: center; }
.subtab {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
  padding: 6px 12px; border-radius: 7px; cursor: pointer; font: inherit; font-size: 12.5px; font-weight: 550;
  transition: background .14s, color .14s, border-color .14s;
}
.subtab:hover { color: var(--text); }
.subtab.active { background: var(--brand-soft); color: var(--brand); border-color: var(--brand-border); }
.subpanel { display: none; }
.subpanel.active { display: block; animation: fade .25s ease both; }

/* =====================================================================
   ToDo-Zeilen
   ===================================================================== */
.list { display: grid; gap: 8px; }
.todo {
  display: flex; align-items: flex-start; gap: 12px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
  transition: border-color .14s, transform .12s;
}
.todo:hover { border-color: var(--border-strong); }
.todo.done { opacity: .72; }
.todo.done .todo-title { text-decoration: line-through; color: var(--muted); }
.todo-check { margin-top: 2px; }
.todo-main { flex: 1; min-width: 0; }
.todo-title { font-weight: 550; }
.todo-desc { color: var(--muted); font-size: 12.5px; margin-top: 3px; white-space: pre-wrap; }
.todo-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; align-items: center; }
.todo-actions { display: flex; gap: 6px; }

/* =====================================================================
   Badges / Chips  (Zustand als Form, nicht nur Zahl)
   ===================================================================== */
.badge {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.02em;
  padding: 3px 9px; border-radius: var(--r-pill); border: 1px solid var(--border);
  color: var(--muted); background: var(--surface-2); white-space: nowrap; font-weight: 500;
  display: inline-flex; align-items: center; gap: 4px;
}
.badge.prio-high   { color: var(--danger);  background: var(--danger-soft);  border-color: var(--danger-border); }
.badge.prio-medium { color: var(--warning); background: var(--warning-soft); border-color: var(--warning-border); }
.badge.prio-low    { color: var(--faint); }
.badge.as-ki     { color: var(--ai);     background: var(--ai-soft);     border-color: var(--ai-border); }
.badge.as-person { color: var(--person); background: var(--person-soft); border-color: var(--person-border); }
.badge.as-both   { color: var(--both);   background: var(--both-soft);   border-color: var(--both-border); }
.badge.st-open        { color: var(--muted); }
.badge.st-in_progress { color: var(--warning); background: var(--warning-soft); border-color: var(--warning-border); }
.badge.st-done        { color: var(--success); background: var(--success-soft); border-color: var(--success-border); }
.badge.st-planned     { color: var(--muted); }
.badge.st-running     { color: var(--success); background: var(--success-soft); border-color: var(--success-border); }
.badge.st-idle        { color: var(--muted); }
.badge.st-error       { color: var(--danger); background: var(--danger-soft); border-color: var(--danger-border); }
.badge.st-stopped     { color: var(--faint); }
.badge.st-active      { color: var(--brand); background: var(--brand-soft); border-color: var(--brand-border); }
.badge.st-on_hold     { color: var(--warning); }
.badge.st-archived    { color: var(--faint); }
.badge.due { color: var(--info); background: var(--info-soft); border-color: var(--info-border); }
.badge.due.overdue { color: var(--danger); background: var(--danger-soft); border-color: var(--danger-border); }
.badge.dep { color: var(--warning); background: var(--warning-soft); border-color: var(--warning-border); }

/* =====================================================================
   Roadmap-Timeline
   ===================================================================== */
.roadmap { display: grid; gap: 0; padding-top: 4px; }
.milestone { display: grid; grid-template-columns: 26px 1fr auto; gap: 12px; }
.ms-line { display: flex; flex-direction: column; align-items: center; }
.ms-dot {
  width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--border-strong);
  background: var(--surface); margin-top: 4px; flex: 0 0 auto; z-index: 1;
}
.ms-dot.done { background: var(--success); border-color: var(--success); box-shadow: 0 0 0 4px var(--success-soft); }
.ms-dot.in_progress { background: var(--warning); border-color: var(--warning); box-shadow: 0 0 0 4px var(--warning-soft); }
.ms-rail { width: 2px; flex: 1; background: var(--border); margin: 3px 0; }
.milestone:last-child .ms-rail { display: none; }
.ms-body { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px; margin-bottom: 10px; }
.ms-title { font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ms-desc { color: var(--muted); font-size: 12.5px; margin-top: 4px; white-space: pre-wrap; }
.ms-actions { display: flex; gap: 6px; align-items: flex-start; padding-top: 6px; }

/* =====================================================================
   Tabellen (Agenten)
   ===================================================================== */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.table thead th { background: var(--surface-2); }
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background .12s; }
.table tbody tr:hover td { background: var(--surface-2); }
.dot-status { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; vertical-align: baseline; }
.dot-status.running { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft), 0 0 9px var(--success); animation: pulse 2s ease-in-out infinite; }
.dot-status.idle { background: var(--faint); }
.dot-status.error { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft), 0 0 9px var(--danger); }
.dot-status.stopped { background: var(--border-strong); }

/* =====================================================================
   Sonstiges
   ===================================================================== */
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.empty { color: var(--muted); text-align: center; padding: 28px; border: 1px dashed var(--border-strong); border-radius: 10px; background: var(--surface-2); }
.link-btn { background: none; border: none; color: var(--brand); cursor: pointer; font: inherit; padding: 0; }
.spacer { flex: 1; }
.upcoming-item { display: flex; align-items: center; gap: 11px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.upcoming-item:last-child { border-bottom: none; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(4px); display: grid; place-items: center; z-index: 50; padding: 20px;
  animation: fade .18s ease both;
}
.modal {
  width: min(524px, 96vw); max-height: 90vh; overflow: auto; background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--r-lg); box-shadow: var(--shadow);
  animation: rise .22s ease both;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.modal-head h3 { font-size: 16px; }
.modal-body { padding: 20px; display: grid; gap: 14px; }
.modal-foot { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.close-x { background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; line-height: 1; }
.close-x:hover { color: var(--text); }

/* Toasts */
.toast-root { position: fixed; bottom: 22px; right: 22px; display: grid; gap: 10px; z-index: 60; }
.toast {
  background: var(--surface); border: 1px solid var(--border-strong); border-left: 3px solid var(--brand);
  border-radius: 10px; padding: 12px 16px; box-shadow: var(--shadow); min-width: 220px;
  animation: rise .2s ease; transition: opacity .25s;
}
.toast.error { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }

/* =====================================================================
   Motion
   ===================================================================== */
@keyframes rise { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
.kpi:nth-child(2) { animation-delay: .04s; }
.kpi:nth-child(3) { animation-delay: .08s; }
.kpi:nth-child(4) { animation-delay: .12s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; overflow-x: auto; gap: 4px; }
  .brand { padding: 4px 8px; }
  .brand-name, .user-tag { display: none; }
  .nav { grid-auto-flow: column; }
  .sidebar-foot { margin: 0 0 0 auto; flex-direction: row; }
  .proj-meta { display: none; }
  .content { padding: 20px 16px 48px; }
  .brain-wrap { height: calc(100vh - 210px); }
}

/* =====================================================================
   Gehirn (Knowledge-Base-Graph)
   ===================================================================== */
.brain-wrap {
  position: relative;
  height: calc(100vh - 150px);
  min-height: 460px;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #05060a;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.brain-canvas { position: absolute; inset: 0; }
.brain-stats, .brain-legend, .brain-hint {
  position: absolute; z-index: 2; pointer-events: none;
  color: #e7ecf5; font-size: 12.5px;
  background: rgba(5,8,16,0.55); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.10); border-radius: var(--r-sm);
  padding: 7px 11px;
}
.brain-stats { top: 14px; left: 14px; }
.brain-stats strong { color: #fff; }
.brain-legend { bottom: 14px; left: 14px; display: flex; flex-wrap: wrap; gap: 10px; max-width: 70%; }
.brain-legend-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.brain-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; box-shadow: 0 0 6px currentColor; }
.brain-hint { bottom: 14px; right: 14px; color: #aab4c6; }
@media (max-width: 820px) { .brain-hint { display: none; } }