/* ═══════════════════════════════════════════════════════════════════════
   Service-Ontology-Plattform — Design System
   Glauninger & van Husen, 2025/2026 · Hochschule Furtwangen
   ═══════════════════════════════════════════════════════════════════════ */

/* ── CSS Variables ─────────────────────────────────────────────────── */
:root {
  --primary:    #1e3a5f;
  --primary-lt: #2d5a8f;
  --accent:     #2563eb;

  --rg1:        #16a34a;
  --rg1-lt:     #bbf7d0;
  --rg1-dk:     #14532d;
  --rg2:        #2563eb;
  --rg2-lt:     #bfdbfe;
  --rg2-dk:     #1e40af;
  --rg3:        #7c3aed;
  --rg3-lt:     #ede9fe;
  --rg3-dk:     #5b21b6;

  --prozess:    #3b82f6;
  --prozess-lt: #dbeafe;
  --akteur:     #8b5cf6;
  --akteur-lt:  #ede9fe;
  --artefakt:   #06b6d4;
  --artefakt-lt:#cffafe;
  --umgebung:   #22c55e;
  --umgebung-lt:#dcfce7;

  --bg:         #f1f5f9;
  --surface:    #ffffff;
  --border:     #e2e8f0;
  --border-dk:  #cbd5e1;
  --text:       #0f172a;
  --text-md:    #334155;
  --text-lt:    #64748b;
  --danger:     #dc2626;
  --warning:    #d97706;
  --success:    #16a34a;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.1);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.12);
  --font:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --trans:      0.18s ease;
}

/* ── Reset & Base ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 15px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: 'Cascadia Code', 'Fira Code', monospace; }
img { max-width: 100%; }

/* ── Navigation ────────────────────────────────────────────────────── */
.platform-nav {
  background: var(--primary);
  box-shadow: var(--shadow-md);
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 60px;
}
.nav-brand {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-weight: 700; font-size: 1rem; text-decoration: none;
  white-space: nowrap;
}
.brand-icon { font-size: 1.4rem; }
.brand-name { opacity: .95; }
.nav-links {
  display: flex; align-items: center; gap: 4px; margin-left: auto;
}
.nav-group { display: flex; align-items: center; gap: 4px; }
.nav-badge {
  font-size: .65rem; font-weight: 700; padding: 2px 6px;
  border-radius: 100px; text-transform: uppercase; letter-spacing: .04em;
}
.nav-badge.rg1 { background: var(--rg1); color: #fff; }
.nav-badge.rg2 { background: var(--rg2); color: #fff; }
.nav-badge.rg3 { background: var(--rg3); color: #fff; }
.nav-link {
  color: rgba(255,255,255,.8); padding: 6px 12px; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 500; transition: var(--trans); text-decoration: none;
}
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.12); color: #fff; text-decoration: none; }
.nav-wp { border-left: 1px solid rgba(255,255,255,.2); margin-left: 8px; padding-left: 16px; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.3rem; cursor: pointer; }

/* ── Layout Helpers ────────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.ml-1 { margin-left: 8px; }
.text-muted { color: var(--text-lt); }
.center { text-align: center; }
.hidden { display: none !important; }

/* ── Card ──────────────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm);
}
.card h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 12px; }

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: var(--radius-md);
  font-size: .88rem; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: var(--trans);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { opacity: .85; text-decoration: none; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }
.btn-sm { padding: 5px 12px; font-size: .8rem; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-outline  { background: transparent; color: var(--primary); border-color: var(--border-dk); }
.btn-secondary { background: var(--bg); color: var(--text-md); border-color: var(--border); }
.btn-danger   { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-rg1  { background: var(--rg1); color: #fff; border-color: var(--rg1); }
.btn-rg2  { background: var(--rg2); color: #fff; border-color: var(--rg2); }
.btn-rg3  { background: var(--rg3); color: #fff; border-color: var(--rg3); }
.btn-outline-rg1 { background: transparent; color: var(--rg1); border-color: var(--rg1); }
.btn-wp   { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-add  { background: #f0fdf4; color: var(--rg1); border-color: var(--rg1); font-size: .82rem; }
.btn-add:hover { background: var(--rg1); color: #fff; }
.akteur-btn  { color: var(--akteur); border-color: var(--akteur); }
.akteur-btn:hover { background: var(--akteur); color: #fff; }
.artefakt-btn { color: var(--artefakt); border-color: var(--artefakt); }
.artefakt-btn:hover { background: var(--artefakt); color: #fff; }
.umgebung-btn { color: var(--umgebung); border-color: var(--umgebung); }
.umgebung-btn:hover { background: var(--umgebung); color: #fff; }

/* ── Footer ────────────────────────────────────────────────────────── */
.platform-footer { background: var(--primary); color: rgba(255,255,255,.75); padding: 24px 0; margin-top: 64px; }
.footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer-left { font-size: .85rem; line-height: 1.8; }
.footer-right { font-size: .8rem; text-align: right; line-height: 1.8; }
.footer-right a { color: rgba(255,255,255,.6); }

/* ── Page Headers ──────────────────────────────────────────────────── */
.page-header {
  padding: 40px 0 32px; background: var(--primary); color: #fff;
}
.page-header h1 { font-size: 1.9rem; font-weight: 700; margin-bottom: 6px; }
.page-header p  { opacity: .85; font-size: 1rem; }
.rg1-header { background: linear-gradient(135deg, var(--rg1-dk), var(--rg1)); }
.modus-b-header { background: linear-gradient(135deg, #1a3a5f, #2d6a9f); }
.rg2-header { background: linear-gradient(135deg, var(--rg2-dk), var(--rg2)); }
.rg3-header { background: linear-gradient(135deg, var(--rg3-dk), var(--rg3)); }
.wp-page-header { background: linear-gradient(135deg, var(--primary), var(--primary-lt)); }
.page-badge {
  display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; padding: 3px 10px; border-radius: 100px;
  background: rgba(255,255,255,.2); color: #fff; margin-bottom: 10px;
}
.breadcrumb { margin-bottom: 8px; }
.breadcrumb a { color: rgba(255,255,255,.7); font-size: .88rem; }
.breadcrumb a:hover { color: #fff; }
.svc-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; font-size: .88rem; opacity: .85; }

/* ── Hero ──────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #2d5a8f 60%, #1565c0 100%);
  color: #fff; padding: 80px 24px;
}
.hero-inner { max-width: 700px; margin: 0 auto; text-align: center; }
.hero-eyebrow { font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; opacity: .7; margin-bottom: 12px; }
.hero-title { font-size: 3rem; font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.hero-accent { color: #93c5fd; }
.hero-sub { font-size: 1.1rem; opacity: .85; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-count { margin-top: 20px; font-size: .9rem; opacity: .7; }
.hero-count a { color: rgba(255,255,255,.8); }

/* ── Section Headers ───────────────────────────────────────────────── */
.section-header { text-align: center; max-width: 680px; margin: 0 auto 40px; }
.section-header h2 { font-size: 1.8rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.section-header p { color: var(--text-lt); font-size: 1rem; }
.section-rg { background: var(--surface); }
.section-dims { background: var(--bg); }
.section-modi { background: var(--surface); }
.section-wp { background: var(--bg); }

/* ── Reifegrad Cards (Landing) ─────────────────────────────────────── */
.rg-flow {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start; gap: 0;
}
.rg-card {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm);
  transition: var(--trans); display: flex; flex-direction: column; gap: 12px;
}
.rg-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.rg-card.rg1 { border-color: var(--rg1); }
.rg-card.rg2 { border-color: var(--rg2); }
.rg-card.rg3 { border-color: var(--rg3); }
.rg-icon { font-size: 2rem; }
.rg-badge { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.rg-card.rg1 .rg-badge { color: var(--rg1); }
.rg-card.rg2 .rg-badge { color: var(--rg2); }
.rg-card.rg3 .rg-badge { color: var(--rg3); }
.rg-card h3 { font-size: 1.1rem; color: var(--primary); }
.rg-tagline { font-size: .82rem; color: var(--text-lt); font-style: italic; }
.rg-card p { font-size: .88rem; color: var(--text-md); line-height: 1.6; }
.rg-features { list-style: none; font-size: .83rem; color: var(--text-md); display: flex; flex-direction: column; gap: 4px; }
.rg-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 8px; }
.rg-arrow { font-size: 2rem; color: var(--border-dk); display: flex; align-items: center; justify-content: center; padding: 0 16px; padding-top: 80px; }

/* ── Vier Dimensionen ──────────────────────────────────────────────── */
.dim-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dim-card {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; text-align: center;
}
.dim-card.prozess { border-top: 4px solid var(--prozess); }
.dim-card.akteur  { border-top: 4px solid var(--akteur); }
.dim-card.artefakt{ border-top: 4px solid var(--artefakt); }
.dim-card.umgebung{ border-top: 4px solid var(--umgebung); }
.dim-icon { font-size: 2rem; margin-bottom: 10px; }
.dim-card h4 { font-size: 1rem; color: var(--primary); margin-bottom: 8px; }
.dim-card p { font-size: .85rem; color: var(--text-md); line-height: 1.6; }
.dim-question { font-size: .82rem; color: var(--text-lt); display: block; margin-top: 8px; }

/* ── Zwei Modi ─────────────────────────────────────────────────────── */
.modi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.modus-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.modus-header { padding: 20px 24px; }
.modus-header.modus-a { background: linear-gradient(135deg, var(--rg1-dk), var(--rg1)); color: #fff; }
.modus-header.modus-b { background: linear-gradient(135deg, var(--primary), var(--primary-lt)); color: #fff; }
.modus-label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; opacity: .8; }
.modus-header h3 { font-size: 1.15rem; margin-top: 4px; }
.modus-body { padding: 20px 24px; }
.modus-body p { font-size: .88rem; color: var(--text-md); margin-bottom: 10px; }
.process-steps-mini {
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
  font-size: .76rem; color: var(--text-lt); margin: 12px 0;
}
.process-steps-mini span { background: var(--bg); border-radius: 4px; padding: 2px 6px; }

/* ── Whitepaper Banner ─────────────────────────────────────────────── */
.wp-banner {
  background: var(--surface); border: 2px solid var(--primary);
  border-radius: var(--radius-lg); padding: 32px;
  display: flex; align-items: center; gap: 24px;
}
.wp-icon { font-size: 3rem; flex-shrink: 0; }
.wp-text { flex: 1; }
.wp-text h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 6px; }
.wp-text p { font-size: .87rem; color: var(--text-md); }

/* ── RG1 Landing ───────────────────────────────────────────────────── */
.rg-explain.card { border-left: 4px solid var(--rg1); }
.modus-choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.modus-choice-card {
  display: block; padding: 32px; border-radius: var(--radius-lg); border: 2px solid var(--border);
  text-decoration: none; transition: var(--trans); position: relative;
}
.modus-choice-card:hover { box-shadow: var(--shadow-lg); text-decoration: none; transform: translateY(-2px); }
.modus-a-card { border-color: var(--rg1); }
.modus-b-card { border-color: var(--primary-lt); }
.mc-badge { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-lt); margin-bottom: 8px; }
.modus-a-card .mc-badge { color: var(--rg1); }
.mc-icon { font-size: 2.5rem; margin-bottom: 12px; }
.modus-choice-card h2 { font-size: 1.3rem; color: var(--primary); margin-bottom: 10px; }
.modus-choice-card p { font-size: .9rem; color: var(--text-md); margin-bottom: 12px; }
.modus-choice-card ul { list-style: none; font-size: .85rem; color: var(--text-md); display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.mc-cta { font-size: .88rem; font-weight: 600; color: var(--rg1); }
.modus-b-card .mc-cta { color: var(--primary); }

/* ── Workshop Stepper ──────────────────────────────────────────────── */
.workshop-container { padding: 24px 24px 48px; max-width: 1000px; }
.stepper {
  display: flex; align-items: center; gap: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 16px 24px;
  margin-bottom: 32px; overflow-x: auto;
}
.step-item {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
  cursor: pointer; padding: 6px 10px; border-radius: var(--radius-sm);
}
.step-item:hover { background: var(--bg); }
.step-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--border); color: var(--text-lt);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; flex-shrink: 0;
  transition: var(--trans);
}
.step-label { font-size: .8rem; color: var(--text-lt); font-weight: 500; }
.step-item.active .step-num { background: var(--rg1); color: #fff; }
.step-item.active .step-label { color: var(--rg1); font-weight: 600; }
.step-item.done .step-num { background: var(--rg1); color: #fff; }
.step-item.done .step-num::after { content: '✓'; }
.step-sep { flex: 1; height: 2px; background: var(--border); min-width: 16px; }
.step-sep.done { background: var(--rg1); }

/* ── Step Panels ───────────────────────────────────────────────────── */
.step-panel { display: none; animation: fadeIn .2s ease; }
.step-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.step-header { margin-bottom: 24px; }
.step-header h2 { font-size: 1.3rem; color: var(--primary); margin-bottom: 6px; }
.step-header p { font-size: .9rem; color: var(--text-md); }
.step-header em { font-size: .85rem; color: var(--text-lt); }

/* ── Step Navigation ───────────────────────────────────────────────── */
.step-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border);
}
.step-progress { font-size: .88rem; color: var(--text-lt); font-weight: 500; }

/* ── Forms ─────────────────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.col-1 { grid-column: span 1; }
.form-group.col-2 { grid-column: span 2; }
.form-group.col-3 { grid-column: span 3; }
.form-group label { font-size: .83rem; font-weight: 600; color: var(--text-md); }
.form-group input, .form-group select, .form-group textarea {
  border: 1px solid var(--border-dk); border-radius: var(--radius-sm);
  padding: 9px 12px; font-size: .88rem; font-family: var(--font);
  color: var(--text); background: var(--surface); transition: var(--trans);
  resize: vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

/* ── Tables ────────────────────────────────────────────────────────── */
.table-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.table-hint { font-size: .78rem; color: var(--text-lt); }
.dim-table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); }
.dim-table { width: 100%; border-collapse: collapse; }
.dim-table th {
  background: var(--bg); text-align: left; padding: 10px 14px;
  font-size: .78rem; font-weight: 600; color: var(--text-md); border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.dim-table td {
  padding: 9px 14px; border-bottom: 1px solid var(--border);
  font-size: .85rem; vertical-align: middle;
}
.dim-table tr:last-child td { border-bottom: none; }
.dim-table tr:hover td { background: #f8fafc; }
.dim-table input, .dim-table select {
  width: 100%; border: 1px solid var(--border); border-radius: 4px;
  padding: 6px 8px; font-size: .82rem; font-family: var(--font); background: var(--surface);
}
.dim-table input:focus, .dim-table select:focus {
  outline: none; border-color: var(--accent);
}
.dim-table-sm th, .dim-table-sm td { padding: 7px 10px; font-size: .8rem; }
.col-id { width: 56px; }
.col-type { width: 120px; }
.col-act { width: 56px; }
.col-status { width: 100px; }
.col-cond { width: 80px; }
.row-delete {
  background: none; border: none; color: var(--danger); cursor: pointer;
  font-size: 1.1rem; padding: 4px; border-radius: 4px; transition: var(--trans);
}
.row-delete:hover { background: #fee2e2; }

/* ── Dimension Matrix ──────────────────────────────────────────────── */
.matrix-controls { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.matrix-wrap { overflow-x: auto; }
.matrix-placeholder { color: var(--text-lt); font-style: italic; padding: 32px; text-align: center; }
.matrix-table { border-collapse: collapse; font-size: .8rem; }
.matrix-table th { background: var(--bg); padding: 8px 12px; border: 1px solid var(--border); white-space: nowrap; font-size: .75rem; }
.matrix-table th.col-akteur { color: var(--akteur); }
.matrix-table th.col-artefakt { color: var(--artefakt); }
.matrix-table th.col-umgebung { color: var(--umgebung); }
.matrix-table td { border: 1px solid var(--border); padding: 7px 10px; }
.matrix-table td.proc-name { font-weight: 600; color: var(--prozess); white-space: nowrap; min-width: 160px; }
.matrix-cell { text-align: center; }
.matrix-table td input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--accent); }

/* ── Full Matrix Table (RG2 Detail) ────────────────────────────────── */
.dim-matrix-table { border-collapse: collapse; font-size: .82rem; width: 100%; }
.dim-matrix-table th { background: var(--bg); padding: 8px 12px; border: 1px solid var(--border); white-space: nowrap; }
.dim-matrix-table th.mhdr { font-size: .72rem; font-weight: 700; text-align: center; }
.dim-matrix-table th.akteur { color: var(--akteur); }
.dim-matrix-table th.artefakt { color: var(--artefakt); }
.dim-matrix-table th.umgebung { color: var(--umgebung); }
.dim-matrix-table td { border: 1px solid var(--border); padding: 8px 12px; vertical-align: middle; }
.dim-matrix-table tr.mhdr-names td { font-size: .72rem; color: var(--text-lt); background: #f8fafc; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proc-cell { font-size: .82rem; white-space: nowrap; min-width: 180px; }
.matrix-cell { text-align: center; }
.matrix-cell.cell-active { background: var(--bg); }
.matrix-cell.akteur.cell-active  { background: var(--akteur-lt); color: var(--akteur); font-weight: 700; }
.matrix-cell.artefakt.cell-active { background: var(--artefakt-lt); color: var(--artefakt); font-weight: 700; }
.matrix-cell.umgebung.cell-active { background: var(--umgebung-lt); color: var(--umgebung); font-weight: 700; }
.akteur-label  { color: var(--akteur); font-size: .72rem; }
.artefakt-label { color: var(--artefakt); font-size: .72rem; }
.umgebung-label { color: var(--umgebung); font-size: .72rem; }

/* ── Save / Actions ────────────────────────────────────────────────── */
.save-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.save-feedback { padding: 14px 20px; border-radius: var(--radius-md); font-weight: 600; font-size: .9rem; margin-top: 12px; }
.save-feedback.success { background: #f0fdf4; border: 1px solid var(--rg1); color: var(--rg1-dk); }
.save-feedback.error   { background: #fef2f2; border: 1px solid var(--danger); color: var(--danger); }

/* ── Summary Box ────────────────────────────────────────────────────── */
.summary-box {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px; margin-top: 16px;
  font-size: .85rem;
}
.summary-box strong { color: var(--primary); }

/* ── Hint Box ───────────────────────────────────────────────────────── */
.hint-box {
  background: #f0fdf4; border: 1px solid #bbf7d0;
  border-radius: var(--radius-md); padding: 12px 16px;
  font-size: .85rem; color: var(--rg1-dk); margin-top: 16px;
}
.warning-box {
  background: #fffbeb; border: 1px solid #fde68a;
  border-radius: var(--radius-md); padding: 12px 16px;
  font-size: .88rem; color: #92400e;
}
.error-box {
  background: #fef2f2; border: 1px solid #fecaca;
  border-radius: var(--radius-md); padding: 12px 16px;
  font-size: .85rem; color: var(--danger);
}

/* ── Status Chips (Modus B) ────────────────────────────────────────── */
.status-legend { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.status-chip {
  padding: 4px 12px; border-radius: 100px; font-size: .78rem; font-weight: 600;
}
.s-keep  { background: var(--umgebung-lt); color: var(--rg1-dk); }
.s-adapt { background: #fef9c3; color: #713f12; }
.s-new   { background: #ede9fe; color: var(--rg3-dk); }
.s-drop  { background: #fee2e2; color: var(--danger); }

/* ── RG2 Library ────────────────────────────────────────────────────── */
.lib-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 24px; }
.lib-search { flex: 1; min-width: 200px; }
.lib-search input { width: 100%; padding: 9px 14px; border: 1px solid var(--border-dk); border-radius: var(--radius-md); font-size: .9rem; }
.lib-filters { display: flex; gap: 6px; }
.filter-btn { background: var(--bg); border: 1px solid var(--border-dk); border-radius: 100px; padding: 6px 14px; font-size: .82rem; cursor: pointer; transition: var(--trans); }
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.lib-actions { display: flex; gap: 8px; margin-left: auto; }
.lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.lib-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--trans); }
.lib-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.lib-card-header { padding: 18px 20px 12px; }
.lib-card-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.modus-tag { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 100px; }
.modus-tag.modus-a { background: var(--rg1-lt); color: var(--rg1-dk); }
.modus-tag.modus-b { background: var(--rg2-lt); color: var(--rg2-dk); }
.lib-date { font-size: .78rem; color: var(--text-lt); }
.lib-card-name { font-size: 1rem; font-weight: 600; color: var(--primary); }
.lib-card-industry { font-size: .8rem; color: var(--text-lt); margin-top: 2px; }
.lib-card-dims { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); }
.dim-count { display: flex; flex-direction: column; align-items: center; padding: 12px 8px; border-right: 1px solid var(--border); }
.dim-count:last-child { border-right: none; }
.dc-num { font-size: 1.2rem; font-weight: 700; }
.dc-label { font-size: .68rem; color: var(--text-lt); }
.dim-count.prozess .dc-num { color: var(--prozess); }
.dim-count.akteur .dc-num  { color: var(--akteur); }
.dim-count.artefakt .dc-num{ color: var(--artefakt); }
.dim-count.umgebung .dc-num{ color: var(--umgebung); }
.lib-card-actions { display: flex; gap: 6px; padding: 12px 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }

/* Empty state */
.empty-state { text-align: center; padding: 80px 24px; }
.empty-icon { font-size: 4rem; margin-bottom: 16px; }
.empty-state h3 { font-size: 1.2rem; color: var(--text-md); margin-bottom: 8px; }
.empty-state p { color: var(--text-lt); margin-bottom: 20px; }
.empty-state-sm { color: var(--text-lt); padding: 24px; text-align: center; }

/* Compare */
.compare-section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.compare-selectors { display: flex; align-items: center; gap: 16px; margin-top: 12px; flex-wrap: wrap; }
.compare-selectors select { padding: 9px 12px; border: 1px solid var(--border-dk); border-radius: var(--radius-sm); font-size: .88rem; flex: 1; min-width: 200px; }
.vs-label { font-size: 1.1rem; font-weight: 700; color: var(--text-lt); }
.comparison-output { margin-top: 20px; overflow-x: auto; }
.cmp-table { border-collapse: collapse; width: 100%; font-size: .85rem; }
.cmp-table th, .cmp-table td { border: 1px solid var(--border); padding: 10px 14px; }
.cmp-table th { background: var(--bg); font-weight: 600; }
.dim-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.dim-dot.prozess { background: var(--prozess); }
.dim-dot.akteur  { background: var(--akteur); }
.dim-dot.artefakt{ background: var(--artefakt); }
.dim-dot.umgebung{ background: var(--umgebung); }

/* ── RG2 Detail ────────────────────────────────────────────────────── */
.dim-summary-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.dim-summary-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; text-align: center; }
.dsc-num { display: block; font-size: 2rem; font-weight: 700; }
.dsc-label { font-size: .78rem; color: var(--text-lt); }
.dim-summary-card.prozess .dsc-num { color: var(--prozess); }
.dim-summary-card.akteur .dsc-num  { color: var(--akteur); }
.dim-summary-card.artefakt .dsc-num{ color: var(--artefakt); }
.dim-summary-card.umgebung .dsc-num{ color: var(--umgebung); }
.dim-summary-card.matrix .dsc-num  { color: var(--accent); }

/* Tabs */
.tab-nav { display: flex; gap: 4px; border-bottom: 2px solid var(--border); }
.tab-btn { background: none; border: none; border-bottom: 3px solid transparent; padding: 10px 16px; font-size: .88rem; font-weight: 600; color: var(--text-lt); cursor: pointer; transition: var(--trans); margin-bottom: -2px; }
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--rg2); border-bottom-color: var(--rg2); }
.tab-panel { display: none; padding: 24px 0; }
.tab-panel.active { display: block; }

/* Dims detail */
.dims-detail-grid { display: flex; flex-direction: column; gap: 24px; }
.dd-section { }
.dd-title { font-size: .95rem; font-weight: 700; padding: 8px 0 12px; border-bottom: 2px solid var(--border); margin-bottom: 8px; }
.dd-title.prozess { color: var(--prozess); }
.dd-title.akteur  { color: var(--akteur); }
.dd-title.artefakt{ color: var(--artefakt); }
.dd-title.umgebung{ color: var(--umgebung); }

/* Visualization */
.bar-chart { display: flex; flex-direction: column; gap: 12px; max-width: 500px; }
.bar-row { display: flex; align-items: center; gap: 12px; }
.bar-label { width: 90px; font-size: .85rem; font-weight: 600; color: var(--text-md); text-align: right; }
.bar-track { flex: 1; background: var(--bg); border-radius: 100px; height: 20px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 100px; transition: width .6s ease; }
.bar-fill.prozess  { background: var(--prozess); }
.bar-fill.akteur   { background: var(--akteur); }
.bar-fill.artefakt { background: var(--artefakt); }
.bar-fill.umgebung { background: var(--umgebung); }
.bar-num { width: 28px; font-size: .85rem; font-weight: 700; color: var(--text-md); }
.viz-legend { display: flex; gap: 16px; margin-top: 16px; }
.vl-item { font-size: .82rem; display: flex; align-items: center; gap: 6px; }
.vl-item::before { content: ''; display: block; width: 12px; height: 12px; border-radius: 3px; }
.vl-item.prozess::before  { background: var(--prozess); }
.vl-item.akteur::before   { background: var(--akteur); }
.vl-item.artefakt::before { background: var(--artefakt); }
.vl-item.umgebung::before { background: var(--umgebung); }

/* Reflection */
.reflection-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ref-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; }
.ref-card h4 { font-size: .9rem; margin-bottom: 8px; color: var(--primary); }
.ref-card p { font-size: .85rem; color: var(--text-md); }

/* Detail actions */
.detail-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.rg3-teaser { background: var(--rg3-lt); border: 1px solid var(--rg3); border-radius: var(--radius-lg); padding: 20px; display: flex; gap: 16px; }
.rg3-teaser-icon { font-size: 2rem; }
.rg3-teaser h4 { color: var(--rg3-dk); margin-bottom: 6px; }
.rg3-teaser p { font-size: .87rem; color: var(--rg3-dk); }

/* ── RG3 ────────────────────────────────────────────────────────────── */
.rg3-features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
.rg3-feat { background: var(--bg); border-radius: var(--radius-sm); padding: 12px; font-size: .85rem; }
.rg3-feat-icon { font-size: 1.5rem; display: block; margin-bottom: 4px; }

/* Ontology Viewer */
.ontology-viewer { display: flex; flex-direction: column; gap: 20px; margin-top: 16px; }
.ont-section h4 { font-size: .95rem; color: var(--primary); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.ont-tree { font-size: .85rem; }
.ont-class { display: flex; flex-direction: column; gap: 4px; }
.ont-children { margin-left: 24px; padding-left: 16px; border-left: 2px solid var(--border); display: flex; flex-direction: column; gap: 4px; margin-top: 4px; }
.ont-tag { display: inline-block; padding: 3px 10px; border-radius: 4px; font-family: monospace; font-size: .8rem; font-weight: 600; }
.ont-tag.cls { background: var(--bg); color: var(--primary); border: 1px solid var(--border); }
.ont-tag.cls.sdo { background: var(--rg3-lt); color: var(--rg3-dk); border-color: var(--rg3); }
.ont-desc { font-size: .78rem; color: var(--text-lt); display: inline-block; margin-left: 8px; }
.ont-class { align-items: flex-start; }
.ont-class > * { display: inline-flex; align-items: center; gap: 4px; }

/* RDF Preview */
.rdf-preview { margin-top: 16px; }
.rdf-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.rdf-svc-label { font-weight: 600; color: var(--primary); flex: 1; }
.rdf-code { background: #0f172a; color: #94a3b8; border-radius: var(--radius-md); padding: 20px; font-size: .8rem; overflow-x: auto; max-height: 400px; overflow-y: auto; }
.prefix-code { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; font-size: .8rem; color: var(--text-md); }

/* SPARQL Layout */
.sparql-layout { display: grid; grid-template-columns: 320px 1fr; gap: 20px; align-items: start; }
.sparql-left, .sparql-right { display: flex; flex-direction: column; gap: 0; }
.sparql-card { border-radius: var(--radius-lg); }
.sparql-card h4 { font-size: .92rem; color: var(--primary); margin-bottom: 12px; }
.sparql-card select { width: 100%; padding: 9px 12px; border: 1px solid var(--border-dk); border-radius: var(--radius-sm); font-size: .88rem; }
.example-queries { display: flex; flex-wrap: wrap; gap: 6px; }
.eq-btn { background: var(--bg); border: 1px solid var(--border); border-radius: 100px; padding: 5px 12px; font-size: .78rem; cursor: pointer; transition: var(--trans); }
.eq-btn:hover { background: var(--rg3-lt); color: var(--rg3-dk); border-color: var(--rg3); }
.sparql-editor-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.sparql-editor { width: 100%; font-family: 'Cascadia Code', 'Fira Code', monospace; font-size: .8rem; background: #0f172a; color: #94a3b8; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; resize: vertical; }
.sparql-results-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.result-count { font-size: .8rem; color: var(--text-lt); flex: 1; }
.results-table { width: 100%; }
.svc-info-mini { display: flex; gap: 8px; }
.dim-mini { font-size: .75rem; font-weight: 600; padding: 2px 8px; border-radius: 100px; }
.dim-mini.prozess  { background: var(--prozess-lt); color: #1d4ed8; }
.dim-mini.akteur   { background: var(--akteur-lt);  color: #5b21b6; }
.dim-mini.artefakt { background: var(--artefakt-lt); color: #0e7490; }
.dim-mini.umgebung { background: var(--umgebung-lt); color: #15803d; }
.loading { color: var(--text-lt); padding: 24px; text-align: center; font-style: italic; }

/* RG3 CTA Row */
.rg3-cta-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cta-card { display: flex; align-items: center; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; text-decoration: none; transition: var(--trans); }
.cta-card:hover { box-shadow: var(--shadow-md); text-decoration: none; }
.sparql-cta { border-left: 4px solid var(--rg3); }
.lib-cta { border-left: 4px solid var(--rg2); }
.cta-icon { font-size: 2rem; }
.cta-arrow { font-size: 1.2rem; color: var(--text-lt); margin-left: auto; }
.cta-card strong { display: block; color: var(--primary); font-size: .95rem; }
.cta-card small { color: var(--text-lt); font-size: .82rem; }

/* Paper Quote */
.paper-quote { border-left: 4px solid var(--rg3); background: var(--rg3-lt); padding: 20px 24px; border-radius: 0 var(--radius-md) var(--radius-md) 0; font-style: italic; color: var(--rg3-dk); }
.paper-quote cite { display: block; font-style: normal; font-size: .8rem; margin-top: 8px; color: var(--text-lt); }

/* ── Whitepaper Detail Page ─────────────────────────────────────────── */
.wp-detail-card { max-width: 900px; }
.wp-detail-meta h2 { font-size: 1.4rem; color: var(--primary); margin-bottom: 8px; }
.wp-detail-meta p { color: var(--text-md); margin-bottom: 10px; }
.wp-authors { display: flex; gap: 16px; flex-wrap: wrap; font-size: .85rem; color: var(--text-lt); }
.wp-abstract { border-left: 4px solid var(--primary); }
.wp-abstract ul { padding-left: 20px; margin-top: 8px; font-size: .9rem; color: var(--text-md); }
.wp-chapters .chapter-list { display: flex; flex-direction: column; gap: 12px; }
.chapter-item { display: flex; align-items: center; gap: 16px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-md); }
.ch-num { width: 32px; height: 32px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 700; flex-shrink: 0; }
.chapter-item > div { flex: 1; }
.chapter-item strong { font-size: .9rem; color: var(--primary); }
.chapter-item small { color: var(--text-lt); font-size: .8rem; display: block; }
.ch-tag { font-size: .68rem; font-weight: 700; padding: 2px 8px; border-radius: 100px; background: var(--bg); color: var(--text-lt); margin-left: 6px; }
.ch-rg1 { background: var(--rg1-lt); color: var(--rg1-dk); }
.ch-rg3 { background: var(--rg3-lt); color: var(--rg3-dk); }
.ref-list { padding-left: 20px; font-size: .85rem; color: var(--text-md); line-height: 1.8; }
.wp-mapping { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.wpm-row { display: flex; align-items: center; gap: 12px; }
.wpm-chapter { font-size: .88rem; font-weight: 600; color: var(--text-md); width: 180px; }
.wpm-arrow { color: var(--text-lt); font-size: 1.1rem; }

/* ── Modus B specifics ─────────────────────────────────────────────── */
.base-service-selector { background: var(--bg); border: 1px dashed var(--border-dk); border-radius: var(--radius-md); padding: 16px; margin-top: 16px; }
.base-service-selector h4 { font-size: .9rem; color: var(--primary); margin-bottom: 6px; }
.base-service-info { background: var(--surface); border: 1px solid var(--rg1); border-radius: var(--radius-sm); padding: 10px 14px; margin-top: 10px; font-size: .84rem; }
.dims-b-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.dim-section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px; }
.dim-section h4 { font-size: .88rem; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.dim-section.akteur  h4 { color: var(--akteur); }
.dim-section.artefakt h4 { color: var(--artefakt); }
.dim-section.umgebung h4 { color: var(--umgebung); }

/* ── RG1→RG2 Transition Hint ───────────────────────────────────────── */
.rg-origin-hint {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: #f0fdf4; border: 1px solid #86efac; border-radius: var(--radius-md);
  padding: 10px 16px; font-size: .875rem; color: var(--text);
}
.rg1-tag {
  background: var(--rg1); color: #fff; border-radius: 4px;
  padding: 2px 8px; font-size: .75rem; font-weight: 700; white-space: nowrap;
}
.rg2-tag {
  background: var(--rg2); color: #fff; border-radius: 4px;
  padding: 2px 8px; font-size: .75rem; font-weight: 700; white-space: nowrap;
}
.rg-origin-hint .arrow-txt { font-weight: 700; color: var(--rg1); font-size: 1rem; }
.rg-origin-hint .hint-text { flex: 1; min-width: 180px; }

/* ── Nav Auth-Bereich ───────────────────────────────────────────────── */
.nav-auth {
  display: flex; align-items: center; gap: 8px;
  margin-left: 12px; border-left: 1px solid rgba(255,255,255,.18); padding-left: 16px;
  flex-shrink: 0;
}
.nav-user-link {
  display: flex; align-items: center; gap: 7px;
  color: rgba(255,255,255,.9); text-decoration: none;
  font-size: .85rem; font-weight: 500;
  padding: 4px 8px; border-radius: var(--radius-sm);
  transition: var(--trans);
}
.nav-user-link:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.nav-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--rg2); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 700; flex-shrink: 0;
}
.nav-username { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-pro-badge {
  background: #f59e0b; color: #fff; font-size: .6rem; font-weight: 700;
  padding: 1px 5px; border-radius: 4px; letter-spacing: .04em;
}
.btn-nav-login {
  color: rgba(255,255,255,.85); padding: 5px 12px; border-radius: var(--radius-sm);
  font-size: .82rem; font-weight: 500; border: 1px solid rgba(255,255,255,.25);
  text-decoration: none; transition: var(--trans);
}
.btn-nav-login:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.btn-nav-register {
  background: var(--rg2); color: #fff; padding: 5px 14px;
  border-radius: var(--radius-sm); font-size: .82rem; font-weight: 600;
  text-decoration: none; transition: var(--trans); white-space: nowrap;
}
.btn-nav-register:hover { background: var(--rg2-dk); color: #fff; text-decoration: none; }
.btn-nav-logout {
  color: rgba(255,255,255,.6); padding: 4px 8px; border-radius: var(--radius-sm);
  font-size: .78rem; font-weight: 400; text-decoration: none; transition: var(--trans);
}
.btn-nav-logout:hover { color: #fff; background: rgba(255,255,255,.08); text-decoration: none; }

/* ── Auth-Seiten (Login / Register / Profil) ─────────────────────────── */
.auth-page {
  min-height: calc(100vh - 120px);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 24px;
}
.auth-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-md);
  width: 100%; max-width: 440px;
}
.auth-logo {
  text-align: center; margin-bottom: 28px;
}
.auth-logo .logo-icon { font-size: 2.2rem; line-height: 1; }
.auth-logo h1 { font-size: 1.35rem; color: var(--primary); margin: 8px 0 4px; font-weight: 700; }
.auth-logo p  { font-size: .88rem; color: var(--text-lt); }
.auth-error {
  background: #fef2f2; border: 1px solid #fca5a5; border-radius: var(--radius-sm);
  padding: 10px 14px; color: var(--danger); font-size: .875rem; margin-bottom: 20px;
}
.auth-success {
  background: #f0fdf4; border: 1px solid #86efac; border-radius: var(--radius-sm);
  padding: 10px 14px; color: var(--success); font-size: .875rem; margin-bottom: 20px;
}
.auth-form .form-label {
  display: block; font-size: .82rem; font-weight: 600;
  color: var(--text-md); margin-bottom: 5px;
}
.auth-form .form-input {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: .9rem; color: var(--text);
  transition: var(--trans); background: var(--bg);
  font-family: var(--font);
}
.auth-form .form-input:focus {
  outline: none; border-color: var(--accent);
  background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.auth-form .form-group { margin-bottom: 16px; }
.auth-submit {
  width: 100%; padding: 12px; background: var(--accent); color: #fff;
  border: none; border-radius: var(--radius-md); font-size: .95rem;
  font-weight: 600; cursor: pointer; transition: var(--trans);
  font-family: var(--font); margin-top: 8px;
}
.auth-submit:hover { background: var(--rg2-dk); }
.auth-divider {
  text-align: center; color: var(--text-lt); font-size: .8rem;
  position: relative; margin: 20px 0;
}
.auth-divider::before, .auth-divider::after {
  content: ''; position: absolute; top: 50%;
  width: calc(50% - 28px); height: 1px; background: var(--border);
}
.auth-divider::before { left: 0; }
.auth-divider::after  { right: 0; }
.oauth-btn {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 10px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text-md); font-size: .875rem; font-weight: 500;
  cursor: pointer; transition: var(--trans); text-decoration: none; margin-bottom: 10px;
  font-family: var(--font);
}
.oauth-btn:hover { border-color: var(--accent); color: var(--text); background: #f8faff; text-decoration: none; }
.oauth-btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.auth-footer {
  text-align: center; margin-top: 24px; font-size: .85rem; color: var(--text-lt);
}
.auth-footer a { color: var(--accent); font-weight: 500; }

/* Demo-Banner (für nicht eingeloggte Nutzer auf RG2/3) */
.demo-banner {
  background: #fffbeb; border: 1px solid #fcd34d; border-radius: var(--radius-md);
  padding: 12px 18px; display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; font-size: .875rem; color: var(--text-md); margin-bottom: 20px;
}
.demo-banner .demo-icon { font-size: 1.2rem; flex-shrink: 0; }
.demo-banner .demo-text { flex: 1; min-width: 200px; }
.demo-banner .demo-text strong { color: var(--text); }

/* Modal: "Login zum Speichern" */
.save-login-modal {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45);
  z-index: 500; align-items: center; justify-content: center; padding: 20px;
}
.save-login-modal.open { display: flex; }
.save-login-modal .modal-box {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 36px; max-width: 420px; width: 100%;
  box-shadow: var(--shadow-lg); text-align: center;
}
.save-login-modal .modal-icon { font-size: 2.5rem; margin-bottom: 12px; }
.save-login-modal h3 { font-size: 1.2rem; color: var(--primary); margin-bottom: 8px; }
.save-login-modal p  { font-size: .88rem; color: var(--text-lt); margin-bottom: 24px; line-height: 1.5; }
.save-login-modal .modal-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* Profil-Seite */
.profile-grid { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }
.profile-sidebar .auth-card { padding: 28px; text-align: center; }
.profile-avatar-lg {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--rg2); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 700; margin: 0 auto 16px;
}
.profile-plan-badge {
  display: inline-block; padding: 4px 12px; border-radius: 100px;
  font-size: .8rem; font-weight: 700; margin-top: 8px;
}
.profile-plan-badge.free { background: var(--bg); color: var(--text-lt); border: 1px solid var(--border); }
.profile-plan-badge.pro  { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.profile-stats { display: flex; gap: 16px; margin: 16px 0; justify-content: center; }
.profile-stat { text-align: center; }
.profile-stat .stat-num { font-size: 1.6rem; font-weight: 700; color: var(--primary); line-height: 1; }
.profile-stat .stat-lbl { font-size: .75rem; color: var(--text-lt); margin-top: 2px; }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .rg-flow { grid-template-columns: 1fr; }
  .rg-arrow { transform: rotate(90deg); padding: 8px 0; }
  .dim-grid { grid-template-columns: repeat(2, 1fr); }
  .sparql-layout { grid-template-columns: 1fr; }
  .dims-b-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 2rem; }
  .modi-grid { grid-template-columns: 1fr; }
  .modus-choice-grid { grid-template-columns: 1fr; }
  .dim-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.col-2, .form-group.col-3 { grid-column: span 1; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--primary); padding: 16px; gap: 8px; z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-auth { display: none; }
  .nav-auth.open { display: flex; flex-direction: column; align-items: flex-start; border-left: none; border-top: 1px solid rgba(255,255,255,.15); padding: 10px 16px; margin: 0; }
  .dim-summary-row { grid-template-columns: repeat(3, 1fr); }
  .rg3-features-grid { grid-template-columns: 1fr; }
  .reflection-grid { grid-template-columns: 1fr; }
  .rg3-cta-row { grid-template-columns: 1fr; }
}

/* ── Print ──────────────────────────────────────────────────────────── */
@media print {
  .platform-nav, .step-nav, .save-actions, .platform-footer, .no-print { display: none !important; }
  .step-panel { display: block !important; }
  .stepper { display: none; }
  body { background: white; }
  .page-header { background: none !important; color: var(--text) !important; border-bottom: 2px solid var(--border); }
  .page-badge { background: var(--bg); color: var(--text) !important; }
}