/* ── StudyNexus-specific styles ─────────────────────────────── */

    .sn-dev-banner {
      background: linear-gradient(90deg, rgba(157, 0, 255, 0.12), rgba(157, 0, 255, 0.04));
      border: 1px solid rgba(157, 0, 255, 0.25);
      border-radius: 8px;
      padding: 14px 22px;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 40px;
      font-size: 0.9rem;
      color: #ccc;
    }

    .sn-dev-banner .pulse-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #9d00ff;
      animation: pulse-glow 1.8s infinite;
      flex-shrink: 0;
    }

    @keyframes pulse-glow {

      0%,
      100% {
        box-shadow: 0 0 0 0 rgba(157, 0, 255, 0.6);
      }

      50% {
        box-shadow: 0 0 0 8px rgba(157, 0, 255, 0);
      }
    }

    .sn-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
    }

    .sn-stat-box {
      background: #1a1a1a;
      border: 1px solid #2a2a2a;
      border-radius: 12px;
      padding: 28px 20px;
      text-align: center;
      transition: border-color 0.3s;
    }

    .sn-stat-box:hover {
      border-color: rgba(157, 0, 255, 0.4);
    }

    .sn-stat-box h3 {
      font-size: 2.4rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 8px;
    }

    .sn-stat-box p {
      color: #888;
      font-size: 0.85rem;
    }

    .pain-list {
      list-style: none;
      padding: 0;
      margin: 25px 0;
    }

    .pain-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid #1e1e1e;
      color: #bbb;
      font-size: 0.95rem;
    }

    .pain-list li::before {
      content: "✕";
      color: #ff4757;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 1px;
    }

    .docker-stack {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-top: 30px;
    }

    .docker-service {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #161616;
      border: 1px solid #262626;
      border-left: 3px solid #333;
      border-radius: 8px;
      padding: 14px 18px;
      font-family: var(--font-mono);
      font-size: 0.85rem;
      transition: border-left-color 0.2s;
    }

    .docker-service:hover {
      border-left-color: var(--primary-color);
    }

    .docker-service .svc-name {
      color: #fff;
      font-weight: 600;
      min-width: 100px;
    }

    .docker-service .svc-port {
      color: var(--primary-color);
      min-width: 60px;
    }

    .docker-service .svc-desc {
      color: #666;
    }

    .docker-service .svc-tag {
      margin-left: auto;
      background: #1e1e1e;
      border: 1px solid #333;
      border-radius: 4px;
      padding: 2px 8px;
      font-size: 0.75rem;
      color: #555;
    }

    .request-flow {
      display: flex;
      align-items: center;
      gap: 0;
      margin: 40px 0;
      overflow-x: auto;
      padding: 10px 0;
    }

    .flow-step {
      background: #161616;
      border: 1px solid #2a2a2a;
      border-radius: 10px;
      padding: 18px 16px;
      text-align: center;
      min-width: 110px;
      flex-shrink: 0;
    }

    .flow-step .fs-label {
      font-size: 0.75rem;
      color: #666;
      margin-bottom: 6px;
    }

    .flow-step .fs-name {
      font-size: 0.9rem;
      font-weight: 600;
      color: #fff;
    }

    .flow-step .fs-sub {
      font-size: 0.7rem;
      color: #555;
      margin-top: 4px;
      font-family: var(--font-mono);
    }

    .flow-step.hl {
      border-color: rgba(157, 0, 255, 0.4);
      background: rgba(157, 0, 255, 0.05);
    }

    .flow-arrow-sm {
      color: #333;
      font-size: 1.4rem;
      padding: 0 6px;
      flex-shrink: 0;
    }

    .adr-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 50px;
    }

    .adr-card {
      background: #141414;
      border: 1px solid #222;
      border-radius: 12px;
      padding: 28px 24px;
      transition: border-color 0.3s, transform 0.2s;
    }

    .adr-card:hover {
      border-color: rgba(157, 0, 255, 0.35);
      transform: translateY(-3px);
    }

    .adr-card .adr-num {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--primary-color);
      background: rgba(157, 0, 255, 0.08);
      border: 1px solid rgba(157, 0, 255, 0.2);
      border-radius: 4px;
      padding: 3px 8px;
      display: inline-block;
      margin-bottom: 14px;
    }

    .adr-card h4 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .adr-card p {
      color: #888;
      font-size: 0.88rem;
      line-height: 1.65;
    }

    .adr-card code {
      color: var(--primary-light);
      background: rgba(157, 0, 255, 0.1);
      padding: 1px 6px;
      border-radius: 3px;
      font-size: 0.82rem;
    }

    .adr-card--full {
      grid-column: 1 / -1;
    }

    .feature-deep-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 60px;
    }

    .feature-deep-card {
      background: #141414;
      border: 1px solid #222;
      border-radius: 14px;
      padding: 32px 28px;
      transition: border-color 0.3s;
    }

    .feature-deep-card:hover {
      border-color: rgba(157, 0, 255, 0.3);
    }

    .feature-deep-card .fd-tag {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: var(--primary-color);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 12px;
      display: block;
    }

    .feature-deep-card h3 {
      color: #fff;
      font-size: 1.15rem;
      margin-bottom: 14px;
    }

    .feature-deep-card p {
      color: #888;
      font-size: 0.88rem;
      line-height: 1.65;
      margin-bottom: 12px;
    }

    .feature-deep-card ul {
      list-style: none;
      padding: 0;
      margin: 16px 0 0;
    }

    .feature-deep-card ul li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 7px 0;
      border-bottom: 1px solid #1e1e1e;
      font-size: 0.85rem;
      color: #aaa;
    }

    .feature-deep-card ul li::before {
      content: "→";
      color: var(--primary-color);
      flex-shrink: 0;
    }

    /* Global — used in ADR cards AND feature cards */
    .event-types {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 14px;
    }

    .event-types span {
      background: #1e1e1e;
      border: 1px solid #2a2a2a;
      border-radius: 4px;
      padding: 4px 10px;
      font-size: 0.72rem;
      font-family: var(--font-mono);
      color: #777;
      white-space: nowrap;
      line-height: 1.4;
    }

    .security-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      margin-top: 60px;
    }

    .security-card {
      background: #0e0e0e;
      border: 1px solid #1e1e1e;
      border-radius: 14px;
      padding: 30px 26px;
      transition: border-color 0.3s;
    }

    .security-card:hover {
      border-color: rgba(157, 0, 255, 0.25);
    }

    .security-card .sec-tag {
      font-size: 0.72rem;
      font-family: var(--font-mono);
      color: #27c93f;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 12px;
      display: block;
    }

    .security-card h3 {
      color: #fff;
      font-size: 1.05rem;
      margin-bottom: 14px;
    }

    .security-card p {
      color: #777;
      font-size: 0.87rem;
      line-height: 1.65;
    }

    .security-card code {
      color: #27c93f;
      background: rgba(39, 201, 63, 0.08);
      padding: 1px 6px;
      border-radius: 3px;
      font-size: 0.82rem;
    }

    .csrf-flow {
      display: flex;
      align-items: center;
      gap: 0;
      margin-top: 20px;
      flex-wrap: nowrap;
      overflow-x: auto;
    }

    .csrf-step {
      background: #161616;
      border: 1px solid #252525;
      border-radius: 8px;
      padding: 10px 12px;
      font-size: 0.75rem;
      font-family: var(--font-mono);
      color: #888;
      text-align: center;
      white-space: nowrap;
    }

    .csrf-step.ok {
      border-color: rgba(39, 201, 63, 0.3);
      color: #27c93f;
    }

    .csrf-step.deny {
      border-color: rgba(255, 71, 87, 0.3);
      color: #ff4757;
    }

    .csrf-arrow {
      color: #333;
      padding: 0 5px;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .db-hierarchy {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin: 40px auto;
      max-width: 500px;
    }

    .db-node {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 14px 20px;
      background: #141414;
      border: 1px solid #222;
      border-radius: 8px;
      margin-bottom: 0;
      font-family: var(--font-mono);
      font-size: 0.88rem;
      transition: border-color 0.2s;
    }

    .db-node:hover {
      border-color: rgba(157, 0, 255, 0.3);
    }

    .db-node:not(:last-child) {
      border-bottom: none;
      border-radius: 8px 8px 0 0;
    }

    .db-node+.db-node:not(:last-child) {
      border-radius: 0;
    }

    .db-node:last-child {
      border-radius: 0 0 8px 8px;
    }

    .db-node .dn-name {
      color: #fff;
      font-weight: 600;
      min-width: 170px;
    }

    .db-node .dn-fields {
      color: #555;
      font-size: 0.78rem;
    }

    .db-connector {
      display: flex;
      align-items: center;
      padding: 0 0 0 30px;
      color: #333;
      font-family: var(--font-mono);
      font-size: 0.8rem;
    }

    .gpa-formula {
      background: #0e0e0e;
      border: 1px solid #222;
      border-radius: 12px;
      padding: 32px;
      text-align: center;
      margin: 40px 0;
      font-family: var(--font-mono);
    }

    .gpa-formula .gf-label {
      color: #555;
      font-size: 0.8rem;
      margin-bottom: 20px;
    }

    .gpa-formula .gf-eq {
      font-size: 1.1rem;
      color: #fff;
      line-height: 1.8;
    }

    .gpa-formula .gf-eq .num {
      color: var(--primary-light);
    }

    .gpa-formula .gf-eq .denom {
      border-top: 1px solid #444;
      padding-top: 8px;
    }

    .gpa-formula .gf-note {
      color: #444;
      font-size: 0.75rem;
      margin-top: 20px;
    }

    .migration-timeline {
      display: flex;
      flex-direction: column;
      gap: 0;
      margin-top: 40px;
      position: relative;
    }

    .migration-timeline::before {
      content: "";
      position: absolute;
      left: 16px;
      top: 0;
      bottom: 0;
      width: 1px;
      background: #2a2a2a;
    }

    .mt-item {
      display: flex;
      gap: 20px;
      align-items: flex-start;
      padding: 16px 0;
    }

    .mt-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #333;
      border: 2px solid #444;
      flex-shrink: 0;
      margin-top: 5px;
      position: relative;
      z-index: 1;
      margin-left: 11px;
    }

    .mt-dot.done {
      background: var(--primary-color);
      border-color: var(--primary-color);
    }

    .mt-content {}

    .mt-content .mt-title {
      color: #ccc;
      font-size: 0.88rem;
      font-family: var(--font-mono);
    }

    .mt-content .mt-desc {
      color: #555;
      font-size: 0.8rem;
      margin-top: 3px;
    }

    @media (max-width: 768px) {
      .sn-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .adr-grid {
        grid-template-columns: 1fr;
      }

      .feature-deep-grid {
        grid-template-columns: 1fr;
      }

      .security-grid {
        grid-template-columns: 1fr;
      }

      .request-flow {
        justify-content: flex-start;
      }

      .csrf-flow {
        flex-wrap: wrap;
        gap: 6px;
      }

      .db-hierarchy {
        max-width: 100%;
      }

      /* Docker service: hide description text on tablet/mobile */
      .docker-service .svc-desc {
        display: none;
      }

      .docker-service {
        gap: 10px;
        flex-wrap: wrap;
      }

      .docker-service .svc-tag {
        margin-left: auto;
      }

      /* DB hierarchy: remove fixed min-width */
      .db-node .dn-name {
        min-width: unset;
      }

      .db-node {
        flex-wrap: wrap;
      }

      /* GPA formula: tighter on mobile */
      .gpa-formula {
        padding: 22px 16px;
      }

      .gpa-formula .gf-eq {
        font-size: 0.9rem;
      }

      /* Dev banner */
      .sn-dev-banner {
        padding: 12px 16px;
        font-size: 0.82rem;
      }

      /* Migration timeline items */
      .mt-content .mt-title {
        font-size: 0.82rem;
      }

      .mt-content .mt-desc {
        font-size: 0.76rem;
      }
    }

    /* ── Stats grid: 3-col on desktop (2 rows of 3) ─────── */
    .sn-stats-grid {
      grid-template-columns: repeat(3, 1fr);
    }

    /* ── Sprint Delivery Block ────────────────────────────── */
    .sn-sprint-delivery {
      background: linear-gradient(135deg, rgba(157, 0, 255, 0.07), rgba(157, 0, 255, 0.02));
      border: 1px solid rgba(157, 0, 255, 0.25);
      border-radius: 14px;
      padding: 36px 40px;
      margin-bottom: 60px;
    }

    .sn-sprint-delivery .ssd-label {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: var(--primary-color);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 24px;
      display: block;
    }

    .snd-metrics {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 0;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid #222;
    }

    .snd-metric {
      padding: 22px 16px;
      text-align: center;
      border-right: 1px solid #222;
      background: #111;
    }

    .snd-metric:last-child {
      border-right: none;
    }

    .snd-metric .snd-val {
      font-size: 2.4rem;
      font-weight: 700;
      color: var(--primary-color);
      display: block;
      line-height: 1.1;
    }

    .snd-metric .snd-key {
      font-size: 0.72rem;
      color: #555;
      margin-top: 6px;
      font-family: var(--font-mono);
      display: block;
    }

    /* ── Two-Layer Auth Diagram ───────────────────────────── */
    .two-layer-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      margin: 40px 0;
      border: 1px solid #222;
      border-radius: 12px;
      overflow: hidden;
    }

    .two-layer-card {
      padding: 28px 24px;
      background: #111;
    }

    .two-layer-card:first-child {
      border-right: 1px solid #222;
    }

    .two-layer-card .tl-layer {
      font-family: var(--font-mono);
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
    }

    .two-layer-card.layer1 .tl-layer {
      color: #27c93f;
      background: rgba(39, 201, 63, 0.08);
      border: 1px solid rgba(39, 201, 63, 0.2);
    }

    .two-layer-card.layer2 .tl-layer {
      color: #ffa502;
      background: rgba(255, 165, 2, 0.08);
      border: 1px solid rgba(255, 165, 2, 0.2);
    }

    .two-layer-card h4 {
      color: #fff;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .two-layer-card code {
      color: var(--primary-light);
      background: rgba(157, 0, 255, 0.1);
      padding: 1px 6px;
      border-radius: 3px;
      font-size: 0.82rem;
    }

    .two-layer-card .tl-ops {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .two-layer-card .tl-ops span {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #1a1a1a;
      border: 1px solid #2a2a2a;
      color: #777;
    }

    .two-layer-card.layer2 .tl-ops span {
      color: #ffa502;
      border-color: rgba(255, 165, 2, 0.25);
      background: rgba(255, 165, 2, 0.05);
    }

    /* ── BIN PO: PDF Source Cards ─────────────────────────── */
    .pdf-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin: 40px 0;
    }

    .pdf-card {
      background: #111;
      border: 1px solid #222;
      border-radius: 10px;
      padding: 20px;
      transition: border-color 0.3s;
    }

    .pdf-card:hover {
      border-color: rgba(157, 0, 255, 0.35);
    }

    .pdf-card .pc-title {
      font-size: 0.88rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 6px;
    }

    .pdf-card .pc-pages {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: var(--primary-color);
      margin-bottom: 10px;
      display: block;
    }

    .pdf-card .pc-items {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .pdf-card .pc-items li {
      font-size: 0.78rem;
      color: #666;
      padding: 3px 0;
      border-bottom: 1px solid #1a1a1a;
    }

    .pdf-card .pc-items li::before {
      content: "§ ";
      color: var(--primary-color);
    }

    /* ── Pruefungsart Badges ──────────────────────────────── */
    .pa-legend {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 24px 0;
    }

    .pa-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 8px;
      font-family: var(--font-mono);
      font-size: 0.8rem;
      font-weight: 600;
      border: 1px solid;
    }

    .pa-badge.px {
      background: rgba(0, 120, 255, 0.08);
      border-color: rgba(0, 120, 255, 0.3);
      color: #4da6ff;
    }

    .pa-badge.ea {
      background: rgba(255, 165, 2, 0.08);
      border-color: rgba(255, 165, 2, 0.3);
      color: #ffa502;
    }

    .pa-badge.r {
      background: rgba(157, 0, 255, 0.08);
      border-color: rgba(157, 0, 255, 0.3);
      color: var(--primary-light);
    }

    .pa-badge.baa {
      background: rgba(39, 201, 63, 0.08);
      border-color: rgba(39, 201, 63, 0.3);
      color: #27c93f;
    }

    .pa-badge .pa-count {
      font-size: 0.7rem;
      opacity: 0.7;
      font-weight: 400;
    }

    /* ── §6 Prerequisite Rules Table ──────────────────────── */
    .po-rules {
      display: flex;
      flex-direction: column;
      gap: 0;
      border: 1px solid #222;
      border-radius: 10px;
      overflow: hidden;
      margin-top: 24px;
    }

    .po-rule-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      background: #111;
      border-bottom: 1px solid #1e1e1e;
      padding: 12px 18px;
      font-size: 0.82rem;
      gap: 16px;
      align-items: center;
    }

    .po-rule-row:last-child {
      border-bottom: none;
    }

    .po-rule-row.header {
      background: var(--bg);
      font-size: 0.72rem;
      font-family: var(--font-mono);
      color: #555;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .po-rule-row .prr-module {
      color: var(--primary-light);
      font-family: var(--font-mono);
      font-size: 0.8rem;
    }

    .po-rule-row .prr-condition {
      color: #ccc;
    }

    .po-rule-row .prr-type {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: #27c93f;
      background: rgba(39, 201, 63, 0.06);
      border: 1px solid rgba(39, 201, 63, 0.2);
      padding: 2px 7px;
      border-radius: 4px;
      display: inline-block;
      width: fit-content;
    }

    /* ── Milestone Chips ──────────────────────────────────── */
    .milestone-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .milestone-item {
      padding: 10px 16px;
      border-radius: 8px;
      background: #111;
      border: 1px solid #222;
      font-size: 0.82rem;
    }

    .milestone-item .mi-title {
      color: #ccc;
      font-weight: 500;
    }

    .milestone-item .mi-cond {
      color: #555;
      font-size: 0.75rem;
      margin-top: 3px;
      font-family: var(--font-mono);
    }

    .milestone-item.done {
      border-color: rgba(39, 201, 63, 0.3);
      background: rgba(39, 201, 63, 0.05);
    }

    .milestone-item.done .mi-title {
      color: #27c93f;
    }

    /* ── Admin Features Grid ──────────────────────────────── */
    .admin-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 50px;
    }

    .admin-feature-card {
      background: #111;
      border: 1px solid #222;
      border-radius: 12px;
      padding: 24px 22px;
      transition: border-color 0.3s;
    }

    .admin-feature-card:hover {
      border-color: rgba(157, 0, 255, 0.3);
    }

    .admin-feature-card .afc-num {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      color: var(--primary-color);
      margin-bottom: 12px;
      display: block;
    }

    .admin-feature-card h4 {
      color: #fff;
      font-size: 0.95rem;
      margin-bottom: 10px;
    }

    .admin-feature-card p {
      color: #666;
      font-size: 0.82rem;
      line-height: 1.6;
    }

    .admin-feature-card .afc-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      margin-top: 14px;
    }

    .admin-feature-card .afc-tags span {
      font-family: var(--font-mono);
      font-size: 0.68rem;
      padding: 2px 7px;
      border-radius: 3px;
      background: #1a1a1a;
      border: 1px solid #2a2a2a;
      color: #555;
    }

    @media (max-width: 768px) {
      .sn-stats-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .snd-metrics {
        grid-template-columns: repeat(3, 1fr);
      }

      .snd-metric:nth-child(3) {
        border-right: none;
      }

      .snd-metric:nth-child(4) {
        border-top: 1px solid #222;
      }

      .snd-metric:nth-child(5) {
        border-top: 1px solid #222;
      }

      .two-layer-grid {
        grid-template-columns: 1fr;
      }

      .two-layer-card:first-child {
        border-right: none;
        border-bottom: 1px solid #222;
      }

      .pdf-grid {
        grid-template-columns: 1fr;
      }

      .po-rule-row {
        grid-template-columns: 1fr 1fr;
      }

      .po-rule-row .prr-type {
        grid-column: 1 / -1;
      }

      .admin-features-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 480px) {

      /* Stats */
      .sn-stat-box {
        padding: 20px 12px;
      }

      .sn-stat-box h3 {
        font-size: 1.9rem;
      }

      .sn-stat-box p {
        font-size: 0.78rem;
      }

      /* ADR & feature cards: reduce padding */
      .adr-card {
        padding: 22px 18px;
      }

      .feature-deep-card {
        padding: 24px 18px;
      }

      .security-card {
        padding: 22px 18px;
      }

      /* Sprint delivery metrics */
      .snd-metrics {
        grid-template-columns: repeat(2, 1fr);
      }

      .snd-metric:nth-child(2) {
        border-right: none;
      }

      .snd-metric:nth-child(3),
      .snd-metric:nth-child(4) {
        border-top: 1px solid #222;
      }

      .snd-metric .snd-val {
        font-size: 1.8rem;
      }

      .sn-sprint-delivery {
        padding: 24px 18px;
      }

      /* Two-layer cards */
      .two-layer-card {
        padding: 20px 16px;
      }

      /* Admin feature grid: 1 col on small */
      .admin-features-grid {
        grid-template-columns: 1fr;
      }

      .admin-feature-card {
        padding: 20px 16px;
      }

      /* BIN PO */
      .po-rule-row {
        padding: 10px 14px;
        font-size: 0.78rem;
      }

      .milestone-item {
        padding: 8px 12px;
      }

      /* Stats grid 2-col on small */
      .sn-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      /* Docker: hide tag badge, remove fixed widths */
      .docker-service .svc-tag {
        display: none;
      }

      .docker-service .svc-name {
        min-width: unset;
      }

      .docker-service .svc-port {
        min-width: unset;
      }

      /* Request flow boxes: smaller */
      .flow-step {
        min-width: 82px;
        padding: 12px 10px;
      }

      .flow-step .fs-name {
        font-size: 0.78rem;
      }

      .flow-step .fs-sub {
        font-size: 0.65rem;
      }

      .flow-arrow-sm {
        padding: 0 3px;
        font-size: 1rem;
      }

      /* CSRF flow steps */
      .csrf-step {
        padding: 8px 10px;
        font-size: 0.7rem;
      }

      /* DB nodes */
      .db-node {
        padding: 12px 14px;
        font-size: 0.82rem;
      }

      .db-node .dn-fields {
        font-size: 0.72rem;
      }

      /* GPA */
      .gpa-formula .gf-eq {
        font-size: 0.8rem;
      }

      /* Roadmap cards */
      .roadmap-card {
        padding: 20px 16px;
      }

      /* Section + outro headings */
      .section-heading {
        font-size: 1.6rem;
      }

      .final-statement {
        font-size: 2.4rem;
      }

      /* Hero title on very small screens */
      .hero-title {
        font-size: 2.8rem !important;
      }

      /* Outro buttons stacked */
      .sn-outro-btns {
        flex-direction: column;
        align-items: center;
      }
    }

/* ==========================================================================
   LIGHT-MODE-KORREKTUR (A3, 2026-07-04)
   Inhaltliche Karten werden im Light Mode hell + lesbar (Theme-Tokens).
   Terminals/Code-Fenster (.terminal-*, .code-*, .prompt) bleiben bewusst
   dunkel (editor-style). Dark Mode bleibt komplett unverändert.
   ========================================================================== */
[data-theme="light"] :is(
  .sn-stat-box, .docker-service, .docker-service .svc-tag, .flow-step,
  .adr-card, .feature-deep-card, .event-types span, .security-card,
  .csrf-step, .two-layer-card, .pdf-card, .admin-feature-card,
  .snd-metric, .gpa-formula
) {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text-primary);
}
/* Body-Text in diesen Karten lesbar machen (Akzentfarben bleiben erhalten) */
[data-theme="light"] :is(
  .sn-stat-box, .docker-service, .flow-step, .adr-card, .feature-deep-card,
  .security-card, .csrf-step, .two-layer-card, .pdf-card, .admin-feature-card,
  .snd-metric, .gpa-formula
) :is(p, li, td, .adr-num, .snd-metric-label, .feature-deep-card > span) {
  color: var(--text-secondary);
}