:root {
  --green: #98c665;
  --green-dark: #6fa63d;
  --green-light: #e8f3d9;
  --slate: #4b5563;
  --slate-mid: #374151;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #1f2937;
  --muted: #6b7280;
  --danger-bg: #fef2f2;
  --danger-b: #fecaca;
  --danger-t: #dc2626;
  --warn-bg: #fffbeb;
  --warn-b: #fde68a;
  --warn-t: #92400e;
  --info-bg: #eff6ff;
  --info-b: #bfdbfe;
  --info-t: #1e40af;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 14px 24px;
  border-bottom: 2.5px solid var(--green-dark);
  background: var(--surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-img {
  width: 190px;
  max-width: 42vw;
  height: 46px;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.doc-type {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.manual-chat {
  position: relative;
  border-radius: 999px;
  padding: 10px 15px;
  background: var(--green);
  color: #ffffff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow: 0 0 0 0 rgba(152, 198, 101, 0.72);
  animation: chatPulse 1.8s infinite;
}

.manual-chat:hover {
  background: var(--green-dark);
}

@keyframes chatPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(152, 198, 101, 0.72);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(152, 198, 101, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(152, 198, 101, 0);
  }
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
}

.hero {
  margin-bottom: 16px;
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--slate-mid) 60%, var(--slate));
  color: #ffffff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 20px;
  align-items: end;
}

.hero-label {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3.4vw, 2.65rem);
  line-height: 1.1;
}

.hero-line {
  width: 36px;
  height: 3px;
  margin-bottom: 16px;
  border-radius: 2px;
  background: var(--green);
}

.hero-meta {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
}

.hero-meta span {
  min-width: 52px;
  color: rgba(255, 255, 255, 0.55);
}

.hero-actions {
  display: grid;
  gap: 10px;
}

button {
  font: inherit;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.mobile-jump {
  display: none;
}

.quick-card {
  min-height: 124px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.quick-card > span,
.badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.quick-card > span {
  color: var(--green-dark);
}

.quick-card strong {
  display: block;
  margin: 5px 0;
  font-size: 20px;
  line-height: 1.15;
}

.quick-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.quick-key-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0 9px;
}

.quick-key-row strong {
  margin: 0;
}

.quick-card.ok {
  border-color: var(--green);
  background: var(--green-light);
}

.quick-card.warn {
  border-color: var(--warn-b);
  background: var(--warn-bg);
}

.section {
  margin-bottom: 16px;
}

.sec-head {
  margin-bottom: 12px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--slate);
  display: flex;
  align-items: stretch;
}

.sec-num {
  width: 42px;
  min-width: 42px;
  background: var(--green);
  color: #ffffff;
  font-weight: 900;
  display: grid;
  place-items: center;
}

.sec-head div:last-child {
  padding: 10px 14px;
}

.sec-head h2 {
  margin: 0;
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sec-head p {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
}

.procedure-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.app-options {
  margin-top: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.procedure,
.video-card {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.procedure.featured {
  border-left: 4px solid var(--green);
}

.procedure h3,
.video-card h3 {
  margin-bottom: 10px;
  font-size: 15px;
}

.procedure p,
.procedure li {
  color: var(--muted);
  font-size: 13px;
}

.procedure ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.procedure.danger {
  border-color: var(--danger-b);
  background: var(--danger-bg);
}

.badge {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 20px;
}

.badge.add {
  border: 1px solid var(--green);
  background: var(--green-light);
  color: var(--green-dark);
}

.badge.del {
  border: 1px solid var(--danger-b);
  background: var(--danger-bg);
  color: var(--danger-t);
}

.badge.sys {
  border: 1px solid var(--info-b);
  background: var(--info-bg);
  color: var(--info-t);
}

.keys {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 8px 0 10px;
}

.key {
  min-width: 32px;
  height: 32px;
  padding: 0 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #f8f8f8;
  color: var(--text);
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.key.green {
  border-color: var(--green-dark);
  background: var(--green);
  color: #ffffff;
}

.key.wide {
  min-width: 72px;
  background: var(--slate-mid);
  color: #ffffff;
}

.arrow {
  color: var(--muted);
  font-size: 12px;
}

.voice,
.result {
  margin-top: 8px;
  padding: 8px 11px;
  border-radius: 0 8px 8px 0;
  background: #f8f8f8;
  color: var(--muted);
  font-size: 12px;
}

.voice {
  border-left: 3px solid var(--green);
  font-style: italic;
}

.voice b {
  display: block;
  color: var(--green-dark);
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 10px;
}

.result.ok {
  border: 1px solid var(--green);
  background: var(--green-light);
  color: var(--green-dark);
}

.result.bad {
  border: 1px solid var(--danger-b);
  background: var(--danger-bg);
  color: var(--danger-t);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 10px;
}

.video-frame,
.video-link {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: #111827;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-link {
  position: relative;
  border: 0;
  color: #ffffff;
  display: grid;
  place-items: center;
  text-decoration: none;
}

.video-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
  transition: opacity 150ms ease, transform 150ms ease;
}

.video-link:hover img {
  opacity: 0.48;
  transform: scale(1.02);
}

.play-button {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 16px;
  background: var(--green);
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.play-button::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid #ffffff;
}

.diagnostic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.diagnostic div,
.note {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  display: grid;
  gap: 4px;
}

.diagnostic strong,
.note b {
  color: var(--text);
}

.diagnostic span,
.note span {
  color: var(--muted);
  font-size: 13px;
}

.notes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.contact-card {
  margin: 16px 0 6px;
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--slate-mid) 60%, var(--slate));
  color: #ffffff;
}

.contact-card h2 {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.contact-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 15px;
  line-height: 1.2;
}

.contact-card a {
  color: inherit;
  text-decoration: none;
}

.contact-card a:hover {
  color: var(--green);
}

.contact-icon {
  width: 24px;
  min-width: 24px;
  color: var(--green);
  font-size: 20px;
  line-height: 1;
  display: inline-flex;
  justify-content: center;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

@media (max-width: 900px) {
  .hero,
  .two-col {
    grid-template-columns: 1fr;
  }

  .quick-grid,
  .procedure-grid,
  .notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .app-header {
    position: static;
    padding: 10px 14px;
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .logo-img {
    width: 160px;
    height: 38px;
    max-width: 70vw;
  }

  .doc-type {
    font-size: 10px;
    letter-spacing: 0.1em;
  }

  .header-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .manual-chat {
    width: 100%;
    padding: 11px 14px;
    text-align: center;
  }

  main {
    padding: 8px;
  }

  .hero {
    margin-bottom: 10px;
    padding: 16px;
    border-radius: 10px;
    gap: 14px;
  }

  .hero-label {
    font-size: 11px;
  }

  h1 {
    margin-bottom: 12px;
    font-size: 1.45rem;
    line-height: 1.12;
  }

  .hero-line {
    margin-bottom: 12px;
  }

  .hero-meta {
    display: grid;
    gap: 1px;
    font-size: 12px;
  }

  .hero-meta span {
    min-width: 0;
  }

  .quick-grid {
    gap: 8px;
    margin-bottom: 10px;
  }

  .mobile-jump {
    position: sticky;
    top: 0;
    z-index: 3;
    margin: -2px 0 10px;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(8px);
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .mobile-jump::-webkit-scrollbar {
    display: none;
  }

  .mobile-jump a {
    flex: 0 0 auto;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--bg);
    color: var(--slate-mid);
    font-size: 11px;
    font-weight: 800;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .quick-card {
    min-height: auto;
    padding: 12px;
    border-radius: 10px;
  }

  .quick-card strong {
    font-size: 17px;
  }

  .section {
    margin-bottom: 12px;
  }

  .sec-head {
    margin-bottom: 8px;
    border-radius: 10px;
  }

  .sec-num {
    width: 36px;
    min-width: 36px;
  }

  .sec-head div:last-child {
    min-width: 0;
    padding: 9px 10px;
  }

  .sec-head h2 {
    font-size: 12px;
    line-height: 1.25;
  }

  .sec-head p {
    font-size: 10px;
  }

  .procedure,
  .video-card,
  .diagnostic div,
  .note {
    padding: 12px;
    border-radius: 10px;
  }

  .procedure h3,
  .video-card h3 {
    margin-bottom: 8px;
    font-size: 16px;
  }

  .procedure p,
  .procedure li,
  .diagnostic span,
  .note span {
    font-size: 14px;
  }

  .procedure ul {
    padding-left: 17px;
  }

  .badge {
    margin-bottom: 6px;
  }

  .keys {
    gap: 5px;
    margin: 8px 0;
  }

  .key {
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border-radius: 7px;
    font-size: 13px;
  }

  .key.wide {
    min-width: 62px;
    max-width: 100%;
  }

  .arrow {
    width: 100%;
    margin: -1px 0;
    color: var(--green-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .voice,
  .result {
    padding: 8px 10px;
    font-size: 12px;
  }

  .video-frame,
  .video-link {
    border-radius: 10px;
  }

  .quick-grid,
  .procedure-grid,
  .diagnostic,
  .notes {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 14px;
  }

  .contact-card li {
    gap: 9px;
    font-size: 14px;
    overflow-wrap: anywhere;
  }

  .contact-icon {
    width: 22px;
    min-width: 22px;
    font-size: 18px;
  }

  .contact-icon svg {
    width: 18px;
    height: 18px;
  }
}

@media print {
  .app-header,
  .video-card {
    display: none;
  }

  body {
    background: #ffffff;
  }

  main {
    max-width: none;
    padding: 0;
  }

  .hero {
    color: #000000;
    background: #ffffff;
    border: 1px solid #dddddd;
  }

  .hero-label,
  .quick-card > span {
    color: #333333;
  }

  .section,
  .quick-grid {
    break-inside: avoid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}