:root {
  --bg: #eef4f8;
  --bg-strong: #dce8f1;
  --card: rgba(255, 255, 255, 0.86);
  --card-strong: rgba(255, 255, 255, 0.95);
  --line: rgba(47, 58, 70, 0.14);
  --text: #28323c;
  --muted: #5c6976;
  --brand: #5aa9e6;
  --brand-deep: #22313f;
  --brand-soft: #dceffd;
  --accent: #8bbfe8;
  --shadow: 0 20px 60px rgba(34, 49, 63, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --desktop-width: min(100%, 1440px);
  --tablet-width: min(100%, 820px);
  --mobile-width: min(100%, 390px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(90, 169, 230, 0.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34, 49, 63, 0.12), transparent 28%),
    linear-gradient(180deg, #f8fbfd 0%, var(--bg) 100%);
}

body.client-route .page-shell {
  display: none;
}

.client-login-screen,
.client-preview-shell {
  min-height: 100vh;
  padding: 40px 24px;
}

.client-login-screen[hidden],
.client-preview-shell[hidden] {
  display: none;
}

.client-login-screen {
  display: grid;
  place-items: center;
}

.client-login-card {
  width: min(100%, 440px);
  text-align: center;
}

.client-login-eyebrow,
.client-preview-eyebrow {
  margin: 0 0 8px;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.86rem;
}

.client-login-title {
  margin: 0 0 48px;
  font-family: "Instrument Serif", serif;
  color: var(--brand-deep);
  font-size: clamp(3.4rem, 7vw, 5.4rem);
  line-height: 0.95;
}

.client-login-form {
  display: grid;
  gap: 12px;
  text-align: left;
}

.client-login-label {
  color: var(--brand);
  font-size: 0.95rem;
  font-weight: 700;
}

#client-preview-password {
  border-radius: 16px;
  border: 1px solid rgba(47, 58, 70, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(34, 49, 63, 0.08);
  padding: 16px 20px;
  font-style: italic;
}

#client-preview-password::placeholder {
  color: rgba(92, 105, 118, 0.55);
}

.client-login-button {
  margin-top: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--brand), #3d8fcc);
  color: #fff;
}

.client-login-feedback {
  min-height: 24px;
  margin: 4px 0 0;
  color: var(--muted);
  text-align: left;
}

.client-preview-shell {
  display: grid;
  gap: 22px;
}

.client-preview-topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.client-preview-name {
  margin: 0;
  font-family: "Instrument Serif", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--brand-deep);
}

.client-preview-meta {
  margin: 6px 0 0;
  color: var(--muted);
}

.client-preview-stage {
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background:
    linear-gradient(135deg, rgba(90, 169, 230, 0.12), rgba(34, 49, 63, 0.08)),
    rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  overflow: auto;
}

#client-preview-frame {
  width: 100%;
  min-height: 760px;
  border: 0;
  border-radius: 16px;
  background: #fff;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 28px;
  border-right: 1px solid var(--line);
  background: rgba(245, 250, 254, 0.72);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand h1,
.panel-header h2,
.section-head h3,
.share-head h3,
.note-card h3 {
  margin: 0;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
}

.brand h1 {
  font-family: "Instrument Serif", serif;
  font-size: 2.8rem;
  line-height: 0.95;
  color: var(--brand-deep);
}

.brand-copy,
.status-copy,
.helper-text,
small,
li,
p {
  color: var(--muted);
}

.panel-tabs {
  display: grid;
  gap: 10px;
  margin: 36px 0 28px;
}

.tab-button,
.viewport-button,
.secondary-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  color: var(--text);
}

.tab-button,
.viewport-button {
  width: 100%;
  border-radius: 999px;
  padding: 12px 16px;
  text-align: left;
}

.tab-button.is-active,
.viewport-button.is-active {
  background: var(--brand-deep);
  color: #fff;
  border-color: var(--brand-deep);
}

.status-card,
.card {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.status-card {
  padding: 20px;
}

.status-label {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.workspace {
  padding: 28px;
}

.panel {
  display: none;
  gap: 20px;
}

.panel.is-active {
  display: grid;
}

.panel-header,
.card,
.note-card {
  padding: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.grid {
  display: grid;
  gap: 20px;
}

.two-columns {
  grid-template-columns: minmax(340px, 1.1fr) minmax(300px, 0.9fr);
}

.viewer-grid {
  grid-template-columns: 320px 1fr;
}

.notes-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-card,
.share-card,
.access-card {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--text);
}

input,
textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

textarea {
  resize: vertical;
}

.action-row,
.pill-row,
.copy-row,
.stage-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
}

.action-row {
  flex-wrap: wrap;
}

.primary-button,
.secondary-button,
.viewport-button {
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.primary-button:hover,
.secondary-button:hover,
.viewport-button:hover,
.tab-button:hover {
  transform: translateY(-1px);
}

.primary-button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--brand), #3d8fcc);
  color: #fff;
}

.secondary-button {
  border-radius: 999px;
  padding: 13px 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.8rem;
}

.pill.neutral {
  background: rgba(34, 49, 63, 0.08);
  color: var(--muted);
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-item {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--card-strong);
  border: 1px solid var(--line);
}

.project-item-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.project-item h4 {
  margin: 0;
}

.project-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stage-card {
  display: grid;
  gap: 18px;
}

.stage-toolbar {
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.stage-title {
  margin: 0;
  color: var(--text);
  font-size: 1.1rem;
}

.viewport-switch {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.viewport-button {
  width: auto;
  text-align: center;
  padding-inline: 14px;
}

.preview-stage {
  padding: 22px;
  border-radius: calc(var(--radius-lg) - 8px);
  background:
    linear-gradient(135deg, rgba(90, 169, 230, 0.12), rgba(34, 49, 63, 0.08)),
    rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  overflow: auto;
}

.viewport-frame {
  margin: 0 auto;
  background: #fff;
  border-radius: 24px;
  padding: 14px;
  border: 1px solid rgba(29, 25, 22, 0.08);
  box-shadow: 0 18px 50px rgba(20, 20, 20, 0.12);
  transition: width 220ms ease;
}

.viewport-frame.desktop {
  width: var(--desktop-width);
}

.viewport-frame.tablet {
  width: var(--tablet-width);
}

.viewport-frame.mobile {
  width: var(--mobile-width);
}

#preview-frame {
  width: 100%;
  min-height: 760px;
  border: 0;
  border-radius: 16px;
  background: #fff;
}

.note-card ul {
  margin: 0;
  padding-left: 18px;
}

.accent-card {
  background: linear-gradient(145deg, rgba(34, 49, 63, 0.96), rgba(52, 72, 89, 0.96));
}

.accent-card h3,
.accent-card p {
  color: #fff;
}

@media (max-width: 1100px) {
  .page-shell,
  .two-columns,
  .viewer-grid,
  .notes-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .workspace,
  .sidebar {
    padding: 18px;
  }

  .panel-header,
  .card {
    padding: 18px;
  }

  .panel-header,
  .stage-toolbar,
  .copy-row,
  .action-row,
  .client-preview-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .brand h1 {
    font-size: 2.1rem;
  }

  #preview-frame {
    min-height: 640px;
  }

  #client-preview-frame {
    min-height: 640px;
  }

  .client-login-title {
    margin-bottom: 36px;
  }
}