:root {
  --bg: #09162b;
  --bg-alt: #111d3f;
  --panel: rgba(13, 24, 48, 0.88);
  --panel-strong: #162347;
  --border: rgba(137, 155, 211, 0.22);
  --text: #f3f5fb;
  --muted: #a8b3d1;
  --accent: #d2475d;
  --accent-strong: #406fdd;
  --danger: #ff6b7f;
  --sender: #7d1f2f;
  --sender-border: rgba(183, 61, 83, 0.45);
  --recipient: #143d2c;
  --recipient-border: rgba(56, 154, 98, 0.42);
  --important: #f4d2a1;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(64, 111, 221, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(210, 71, 93, 0.18), transparent 24%),
    radial-gradient(circle at bottom center, rgba(210, 71, 93, 0.12), transparent 32%),
    linear-gradient(180deg, var(--bg-alt), var(--bg));
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI Variable", "IBM Plex Sans", "Helvetica Neue", sans-serif;
}

.container {
  max-width: 1240px;
  margin: auto;
  padding: 32px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  border-radius: 22px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo img {
  height: 46px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 14px;
  padding: 6px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

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

h1, h2, h3 {
  margin: 0 0 12px 0;
  font-weight: 650;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.1rem;
}

button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

pre {
  background: rgba(5, 12, 11, 0.74);
  border: 1px solid rgba(125, 182, 168, 0.14);
  border-radius: 16px;
  padding: 16px;
  color: var(--muted);
  overflow-x: auto;
  white-space: pre-wrap;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
}

input,
progress,
select,
textarea {
  width: 100%;
}

input,
select,
textarea {
  background: rgba(4, 14, 12, 0.82);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(136, 214, 173, 0.12);
}

progress {
  height: 10px;
  accent-color: var(--accent);
}

.muted {
  color: var(--muted);
}

.top-gap {
  margin-top: 18px;
}

.eyebrow {
  margin-bottom: 10px;
  color: #f05a6f;
  font-size: 0.84rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.compact-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.hero-copy {
  max-width: 720px;
}

.hero-text {
  max-width: 58ch;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}

.app-version-row {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.app-version-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(240, 90, 111, 0.45);
  border-radius: 999px;
  background: rgba(240, 90, 111, 0.12);
  color: #ffd7dd;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.grid {
  display: grid;
  gap: 24px;
}

.tab-bar {
  display: flex;
  gap: 12px;
  align-items: center;
}

.auth-login-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
}

.landing-links {
  margin-top: 14px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.marketing-body {
  min-height: 100vh;
}

.marketing-shell {
  padding-top: 24px;
  padding-bottom: 48px;
}

.marketing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.marketing-brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.marketing-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.marketing-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.marketing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.marketing-copy {
  padding: 12px 8px 12px 0;
}

.marketing-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0;
}

.marketing-badges span {
  border: 1px solid var(--border);
  background: rgba(15, 28, 56, 0.86);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--important);
  font-size: 0.95rem;
}

.marketing-cta {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.marketing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.marketing-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.marketing-section {
  margin-bottom: 24px;
}

.marketing-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.marketing-step {
  border: 1px solid rgba(137, 155, 211, 0.18);
  border-radius: 18px;
  padding: 18px;
  background: rgba(8, 18, 38, 0.72);
}

.marketing-step strong {
  display: block;
  margin-bottom: 10px;
  color: var(--important);
}

.marketing-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.marketing-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.marketing-video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.marketing-video-card {
  min-height: 220px;
  background:
    linear-gradient(180deg, rgba(11, 15, 28, 0.94), rgba(6, 10, 18, 0.98)),
    radial-gradient(circle at top right, rgba(210, 71, 93, 0.12), transparent 30%);
}

.pricing-grid {
  align-items: stretch;
}

.pricing-card h2 {
  margin-bottom: 10px;
}

.pricing-card-featured {
  border-color: rgba(210, 71, 93, 0.45);
  box-shadow: 0 18px 50px rgba(210, 71, 93, 0.14);
}

.marketing-footer-card {
  margin-bottom: 0;
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.two-up.compact {
  gap: 16px;
}

.section-head,
.action-row,
.event-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.doc-grid,
.inbox-list {
  display: grid;
  gap: 16px;
}

.doc-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.doc-card,
.inbox-card,
.event-card,
.session-card,
.share-state {
  background: rgba(6, 18, 16, 0.76);
  border: 1px solid rgba(125, 182, 168, 0.14);
  border-radius: 18px;
  padding: 18px;
}

.doc-card h4,
.inbox-card h4 {
  margin: 0 0 12px;
}

.doc-meta,
.event-meta {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 8px;
  word-break: break-word;
}

.button-primary {
  background: linear-gradient(135deg, rgba(210, 71, 93, 0.26), rgba(64, 111, 221, 0.24));
  border-color: rgba(210, 71, 93, 0.44);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.03);
}

.button-danger {
  border-color: rgba(240, 138, 125, 0.3);
  color: var(--danger);
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
}

.button-link.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.full-width {
  width: 100%;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.progress-wrap,
.form-row,
.landing-points {
  display: grid;
  gap: 10px;
}

.form-row label {
  color: var(--muted);
  font-size: 0.9rem;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  margin: 14px 0;
}

.toggle-row input {
  width: auto;
}

.hidden {
  display: none;
}

.landing-body {
  display: flex;
  align-items: center;
}

.landing-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.landing-panel {
  width: min(100%, 720px);
  background:
    linear-gradient(180deg, rgba(8, 8, 12, 0.96), rgba(3, 4, 8, 0.98)),
    radial-gradient(circle at top right, rgba(210, 71, 93, 0.12), transparent 28%),
    radial-gradient(circle at top left, rgba(64, 111, 221, 0.12), transparent 32%);
  border-color: rgba(210, 71, 93, 0.18);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.landing-points {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 24px 0;
}

.landing-points span {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.42);
  border: 1px solid rgba(137, 155, 211, 0.14);
  color: var(--muted);
  font-size: 0.92rem;
}

.preview-shell {
  min-height: 420px;
  display: grid;
  place-items: center;
  background: rgba(4, 14, 12, 0.82);
  border: 1px solid rgba(125, 182, 168, 0.14);
  border-radius: 20px;
  overflow: hidden;
}

.preview-stage {
  position: relative;
  width: 100%;
  min-height: 420px;
}

.preview-frame,
.preview-image,
.preview-video {
  width: 100%;
  min-height: 420px;
  border: 0;
  background: #06100e;
}

.preview-image {
  object-fit: contain;
}

.preview-audio {
  width: min(100%, 520px);
}

.preview-fallback {
  width: 100%;
  padding: 24px;
}

.annotation-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.annotation-overlay.interactive-overlay {
  pointer-events: none;
}

.annotation-badge {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(9, 22, 43, 0.84);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

.annotation-signature {
  border-color: rgba(210, 71, 93, 0.5);
  background: rgba(114, 20, 38, 0.82);
}

.annotation-date {
  border-color: rgba(64, 111, 221, 0.48);
  background: rgba(18, 40, 93, 0.84);
}

.annotation-note {
  border-color: rgba(168, 179, 209, 0.34);
  background: rgba(10, 24, 52, 0.84);
}

.field-list {
  display: grid;
  gap: 10px;
}

.field-chip {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(10, 21, 43, 0.8);
}

.capability-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 4px;
}

.capability-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(137, 155, 211, 0.22);
  background: rgba(14, 24, 48, 0.86);
  color: var(--important);
  font-size: 0.78rem;
  font-weight: 600;
}

.stat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(5, 10, 20, 0.86);
  box-shadow: var(--shadow);
}

.stat-card strong {
  font-size: 2rem;
}

.compact-card {
  padding: 16px;
}

.event-card.sender-event {
  border-color: var(--sender-border);
  background: linear-gradient(180deg, rgba(58, 11, 21, 0.78), rgba(18, 8, 14, 0.9));
}

.event-card.recipient-event {
  border-color: var(--recipient-border);
  background: linear-gradient(180deg, rgba(12, 46, 31, 0.8), rgba(8, 20, 14, 0.9));
}

.event-card.neutral-event {
  border-color: rgba(137, 155, 211, 0.22);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.role-badge.sender-role {
  background: rgba(125, 31, 47, 0.88);
  border-color: var(--sender-border);
  color: #ffd6dd;
}

.role-badge.recipient-role {
  background: rgba(20, 61, 44, 0.92);
  border-color: var(--recipient-border);
  color: #d8f7e7;
}

.role-badge.neutral-role {
  background: rgba(14, 24, 48, 0.84);
  color: var(--muted);
}

.important-value {
  color: var(--important);
  font-weight: 600;
}

.modal-shell {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 4, 8, 0.7);
  backdrop-filter: blur(12px);
}

.modal-shell.hidden {
  display: none !important;
}

.modal-panel {
  width: min(100%, 920px);
  max-height: calc(100vh - 48px);
  overflow: auto;
  border-radius: 24px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(8, 8, 12, 0.97), rgba(7, 12, 24, 0.98));
  border: 1px solid rgba(210, 71, 93, 0.2);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
}

.preview-modal-panel {
  width: min(100%, 1200px);
}

.preview-modal-body .preview-shell {
  min-height: 78vh;
}

.preview-modal-body .preview-frame,
.preview-modal-body .preview-image,
.preview-modal-body .preview-video,
.preview-modal-body .preview-stage {
  min-height: 78vh;
}

.editor-textarea,
.editor-readonly {
  min-height: 58vh;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.editor-readonly {
  margin: 0;
}

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

  .marketing-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .section-head,
  .action-row,
  .event-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .two-up,
  .landing-points,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 20px;
  }
}