:root {
  --obsidian: #0A0A0B;
  --carbon: #101012;
  --graphite: #16161A;
  --stone: #1E1E22;
  --mineral: #2A2A2F;
  --ash: #4A4A50;
  --silt: #6B6B72;
  --fog: #9C9CA3;
  --ivory: #E8E3D8;
  --bone: #F5F1EA;
  --titanium: #B8AE9C;
  --champagne: #C9B383;
  --moss: #3D5240;
  --hairline: 1px solid rgba(245,241,234,0.08);
  --hairline-strong: 1px solid rgba(245,241,234,0.16);
  --font-wordmark: "Playfair Display", Georgia, serif;
  --font-main: "Inter Tight", Arial, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
  --gutter: clamp(18px, 4vw, 48px);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--obsidian);
  color: var(--bone);
  font-family: var(--font-main);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--obsidian);
  color: var(--ivory);
  font-weight: 200;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px var(--gutter);
  background: rgba(10,10,11,0.82);
  border-bottom: var(--hairline);
  backdrop-filter: blur(20px) saturate(140%);
}

.brand-mark {
  color: var(--bone);
  font-family: var(--font-wordmark);
  font-size: 34px;
  font-style: italic;
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 1;
  text-decoration: none;
}

.brand-mark.compact {
  font-size: 28px;
}

.kV,
.ke,
.ky {
  letter-spacing: -0.08em;
}

.kf {
  letter-spacing: -0.06em;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.header-meta span + span::before {
  color: var(--silt);
}

.header-meta form {
  margin: 0;
}

.header-logout {
  min-height: 34px;
  padding: 8px 12px;
  color: var(--fog);
  background: transparent;
  border: var(--hairline);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 300;
}

.header-logout:hover {
  color: var(--bone);
  border-color: rgba(245,241,234,0.16);
}

.app-shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 40px var(--gutter) 48px;
}

.intro-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  gap: clamp(24px, 4vw, 56px);
  align-items: stretch;
  padding: 34px 0 42px;
  border-bottom: var(--hairline);
}

.hero-media {
  min-height: 380px;
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 8px;
  overflow: hidden;
}

.hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--titanium);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 980px;
  margin: 0;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.9;
}

.import-panel {
  display: grid;
  gap: 15px;
  padding: 24px;
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 8px;
}

.file-drop {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 20px;
  cursor: pointer;
  background: var(--graphite);
  border: 1px dashed rgba(245,241,234,0.16);
  border-radius: 6px;
}

.file-drop input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.file-label,
label span {
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.file-drop strong {
  align-self: end;
  color: var(--bone);
  font-size: 19px;
  font-weight: 300;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.file-drop small {
  color: var(--silt);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-grid.three {
  grid-template-columns: 1fr 1fr 1fr;
}

label {
  display: grid;
  gap: 7px;
}

input,
select,
textarea {
  width: 100%;
  color: var(--bone);
  background: var(--stone);
  border: var(--hairline);
  border-radius: 4px;
  outline: none;
}

input {
  height: 44px;
  padding: 11px 15px;
}

select {
  height: 44px;
  padding: 0 13px;
  appearance: auto;
}

textarea {
  resize: vertical;
  min-height: 86px;
  padding: 12px 15px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(245,241,234,0.32);
}

.primary-button,
.toggle-button {
  min-height: 44px;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 300;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  color: var(--obsidian);
  background: var(--bone);
  text-decoration: none;
}

.primary-button:disabled {
  cursor: default;
  opacity: 0.58;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 11px 20px;
  color: var(--bone);
  background: transparent;
  border: var(--hairline-strong);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 300;
  text-decoration: none;
}

.ghost-button:disabled {
  cursor: default;
  color: var(--silt);
  border-color: rgba(245,241,234,0.08);
}

.ghost-button.compact {
  min-height: 34px;
  padding: 7px 12px;
  font-size: 12px;
}

svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.5;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: var(--hairline);
}

.search-field {
  position: relative;
  flex: 1;
}

.search-field svg {
  position: absolute;
  left: 14px;
  top: 13px;
  color: var(--fog);
}

.search-field input {
  padding-left: 44px;
}

.view-toggle {
  display: flex;
  padding: 3px;
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 4px;
}

.compact-filters {
  justify-content: flex-end;
}

.filter-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.select-filter {
  display: grid;
  gap: 5px;
}

.select-filter span {
  padding-left: 2px;
}

.select-filter select {
  width: auto;
  min-width: 112px;
  height: 38px;
  color: var(--ivory);
  background-color: var(--carbon);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.toggle-button {
  padding: 0 16px;
  color: var(--fog);
  background: transparent;
}

.toggle-button.active {
  color: var(--obsidian);
  background: var(--titanium);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.38fr) minmax(0, 1fr);
  min-height: 580px;
  border-bottom: var(--hairline);
}

.deck-list {
  border-right: var(--hairline);
}

.deck-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 20px 18px 20px 0;
  border-bottom: var(--hairline);
}

.deck-main {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: 0;
}

.deck-row.active .deck-title {
  color: var(--champagne);
}

.deck-title {
  color: var(--bone);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.deck-client,
.deck-notes,
.deck-meta-line {
  color: var(--fog);
  font-size: 13px;
  font-weight: 200;
  line-height: 1.35;
}

.deck-notes,
.deck-meta-line {
  color: var(--silt);
}

.deck-meta-line {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.deck-tags,
.preview-meta,
.metrics-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.deck-tags span,
.preview-meta span,
.metrics-strip span,
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 3px 8px;
  color: var(--fog);
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.chip-approved,
.chip-shared {
  color: var(--champagne);
  border-color: rgba(201,179,131,0.22);
}

.link-active {
  color: var(--champagne);
  border-color: rgba(201,179,131,0.22);
}

.link-inactive {
  color: var(--titanium);
  background: rgba(184,174,156,0.06);
  border-color: rgba(184,174,156,0.28);
}

.link-archived {
  color: var(--silt);
  border-color: rgba(245,241,234,0.08);
}

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

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--bone);
  cursor: pointer;
  background: transparent;
  border: var(--hairline-strong);
  border-radius: 4px;
  text-decoration: none;
}

.icon-button:hover {
  background: var(--stone);
}

.delete-button {
  color: var(--fog);
}

.preview-pane {
  min-width: 0;
  padding: 26px 0 26px 26px;
}

.empty-preview {
  display: grid;
  align-content: center;
  min-height: 520px;
  color: var(--fog);
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 8px;
  padding: 28px;
}

.vault-empty h2 {
  margin: 0;
  color: var(--ivory);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.035em;
}

.vault-empty .primary-button {
  justify-self: start;
  margin-top: 8px;
}

.preview-frame-shell {
  display: grid;
  gap: 18px;
}

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

.preview-topline h2 {
  margin: 0;
  color: var(--ivory);
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.035em;
}

.preview-meta {
  margin-top: 12px;
}

.preview-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.link-warning {
  max-width: 520px;
  margin: 14px 0 0;
  color: var(--titanium);
  font-size: 14px;
  line-height: 1.45;
}

.menu-wrap {
  position: relative;
}

.action-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 4;
  display: grid;
  min-width: 190px;
  padding: 8px;
  background: var(--stone);
  border: var(--hairline-strong);
  border-radius: 8px;
}

.action-menu button {
  width: 100%;
  padding: 10px 12px;
  color: var(--ivory);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-size: 13px;
}

.action-menu button:hover {
  background: var(--mineral);
}

.preview-frame-wrap {
  width: 100%;
  height: min(68vh, 700px);
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 8px;
  overflow: hidden;
}

.preview-frame-wrap.mobile {
  width: min(390px, 100%);
  height: 720px;
  margin: 0 auto;
}

.deck-dashboard {
  display: grid;
  gap: 14px;
  padding: 18px;
  background: var(--carbon);
  border: var(--hairline);
  border-radius: 8px;
}

.deck-dashboard .eyebrow {
  margin: 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-grid div {
  display: grid;
  gap: 7px;
  padding: 16px;
  background: var(--graphite);
  border: var(--hairline);
  border-radius: 6px;
}

.metric-grid span {
  color: var(--bone);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.035em;
}

.metric-grid small {
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.deck-dashboard p {
  margin: 0;
}

.deck-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--obsidian);
}

.toast {
  position: fixed;
  right: var(--gutter);
  bottom: 24px;
  z-index: 20;
  padding: 12px 16px;
  color: var(--obsidian);
  background: var(--bone);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 300;
}

.viewer-body {
  overflow: hidden;
}

.viewer-bar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 5;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  height: 58px;
  padding: 10px var(--gutter);
  background: rgba(10,10,11,0.82);
  border-bottom: var(--hairline);
  backdrop-filter: blur(20px) saturate(140%);
}

.viewer-title {
  display: grid;
  min-width: 0;
  color: var(--bone);
  font-size: 14px;
  font-weight: 300;
}

.viewer-title span,
.viewer-title small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-title small {
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.viewer-shell {
  position: fixed;
  inset: 58px 0 0;
}

.share-unavailable {
  display: grid;
  align-content: center;
  height: 100%;
  padding: var(--gutter);
  background: var(--obsidian);
}

.share-unavailable h1 {
  max-width: 720px;
}

@media (max-width: 980px) {
  .intro-panel,
  .content-grid {
    grid-template-columns: 1fr;
  }

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

  .deck-list {
    border-right: 0;
  }

  .preview-pane {
    padding-left: 0;
  }

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

@media (max-width: 720px) {
  .header-meta span:first-child {
    display: none;
  }

  .app-shell {
    padding-top: 24px;
  }

  .intro-panel {
    padding-top: 18px;
  }

  .hero-media,
  .hero-media img {
    min-height: 260px;
  }

  .field-grid,
  .toolbar {
    grid-template-columns: 1fr;
    display: grid;
  }

  .field-grid.three {
    grid-template-columns: 1fr;
  }

  .filter-row,
  .preview-actions,
  .preview-topline {
    display: grid;
    grid-template-columns: 1fr;
  }

  .select-filter select,
  .ghost-button,
  .primary-button {
    width: 100%;
  }

  .content-grid {
    min-height: 0;
  }

  .deck-row {
    grid-template-columns: 1fr;
    padding-right: 0;
  }

  .deck-actions {
    justify-content: flex-start;
  }

  .preview-frame-wrap,
  .preview-frame-wrap.mobile {
    height: 68vh;
    width: 100%;
  }
}