:root {
  color-scheme: dark;
  --fl-background: #0a0a0a;
  --fl-surface: #111111;
  --fl-surface-elevated: #1a1a1a;
  --fl-surface-subtle: #1a1a1a;
  --fl-border: #27272a;
  --fl-border-strong: #3f3f46;
  --fl-text-primary: #f5f5f5;
  --fl-text-secondary: #a1a1aa;
  --fl-text-tertiary: #71717a;
  --fl-accent: #0070f3;
  --fl-accent-cyan: #00e5ff;
  --fl-accent-purple: #8b5cf6;
  --fl-accent-soft: rgba(0, 112, 243, 0.14);
  --fl-success: #22c55e;
  --fl-danger: #ef4444;
  --fl-radius-tiny: 3px;
  --fl-radius-xxsmall: 5px;
  --fl-radius-small: 5px;
  --fl-radius-medium: 10px;
  --fl-radius-large: 12px;
  --fl-radius-xlarge: 14px;
  --fl-radius-pill: 999px;
  --fl-nav-height: 68px;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--fl-background);
}

body.fileloom-app-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 100vh;
  margin: 0;
  background: var(--fl-background);
  color: var(--fl-text-primary);
  letter-spacing: 0;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

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

h1 {
  font-size: 30px;
  font-weight: 600;
  line-height: 1.08;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.18;
}

h3 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
}

p {
  color: var(--fl-text-secondary);
  font-size: 14px;
  line-height: 1.52;
}

.fileloom-screen-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  border-bottom: 1px solid color-mix(in srgb, var(--fl-border) 70%, transparent);
  background: var(--fl-background);
  padding: 12px 20px 16px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--fl-text-primary);
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}

.brand-link img {
  flex: 0 0 auto;
  border-radius: var(--fl-radius-small);
}

.brand-link span,
.site-nav a,
.bottom-nav-item span,
.settings-popover a {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.site-nav a {
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: var(--fl-radius-small);
  color: var(--fl-text-secondary);
  font-size: 12px;
  font-weight: 500;
  line-height: 36px;
  padding: 0 10px;
  text-decoration: none;
}

.site-nav a:hover {
  border-color: var(--fl-border);
  color: var(--fl-text-primary);
}

.fileloom-page {
  display: grid;
  align-content: start;
  gap: 14px;
  width: min(820px, calc(100vw - 32px));
  min-height: 0;
  margin: 0 auto;
  padding: 24px 0;
}

.fileloom-title-block {
  display: grid;
  gap: 7px;
  padding: 0 16px;
}

.fileloom-title-block > p:not(.fileloom-kicker) {
  max-width: 640px;
  font-size: 16px;
}

.fileloom-kicker,
.last-updated,
.geist-field span {
  color: var(--fl-text-secondary);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.2;
}

.fileloom-kicker {
  color: var(--fl-accent-cyan);
  text-transform: uppercase;
}

.fileloom-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.geist-list-surface {
  overflow: hidden;
  border: 1px solid var(--fl-border);
  border-radius: var(--fl-radius-medium);
  background: var(--fl-surface);
}

.geist-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--fl-border);
  padding: 14px 16px;
}

.geist-section-header h2 {
  font-size: 18px;
}

.geist-list-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  min-height: 56px;
  border-top: 1px solid var(--fl-border);
  padding: 12px 16px;
}

.geist-list-item:first-child {
  border-top: 0;
}

.geist-list-item h2 {
  font-size: 18px;
}

.list-leading-icon,
.list-leading-text,
.status-pill {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--fl-border);
  border-radius: var(--fl-radius-small);
  background: var(--fl-surface-elevated);
  color: var(--fl-text-primary);
  font-size: 12px;
  font-weight: 500;
}

.list-leading-icon {
  width: 32px;
  height: 32px;
  font-family: var(--font-mono);
}

.list-leading-text {
  min-width: 60px;
  min-height: 32px;
  padding: 0 9px;
}

.flow-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list .geist-list-item {
  grid-template-columns: auto minmax(0, 1fr);
}

.receiver-form {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.geist-field {
  display: grid;
  gap: 8px;
}

.geist-field input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--fl-border);
  border-radius: var(--fl-radius-small);
  background: var(--fl-background);
  color: var(--fl-text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.2;
  padding: 0 12px;
}

.geist-field input:focus,
.language-control:focus-within {
  border-color: var(--fl-border-strong);
  outline: 2px solid var(--fl-accent-soft);
  outline-offset: 0;
}

.geist-primary-button,
.geist-secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border-radius: var(--fl-radius-small);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  padding: 0 16px;
  text-decoration: none;
}

.geist-primary-button {
  border: 1px solid var(--fl-text-primary);
  background: var(--fl-text-primary);
  color: var(--fl-background);
}

.geist-secondary-button {
  border: 1px solid var(--fl-border);
  background: transparent;
  color: var(--fl-text-primary);
}

.geist-primary-button:hover,
.geist-secondary-button:hover {
  border-color: var(--fl-border-strong);
}

.status-pill {
  min-height: 28px;
  min-width: 64px;
  color: var(--fl-accent-cyan);
  padding: 0 10px;
}

.status-text {
  border-top: 1px solid var(--fl-border);
  padding: 12px 16px 16px;
}

.status-text.error {
  color: var(--fl-danger);
}

.receiver-files-panel[hidden] {
  display: none;
}

.receiver-file-list {
  display: grid;
}

.receiver-file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  border-top: 1px solid var(--fl-border);
  padding: 12px 16px;
}

.receiver-file-row:first-child {
  border-top: 0;
}

.receiver-file-main {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.receiver-file-main strong,
.receiver-file-main span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.receiver-file-main strong {
  color: var(--fl-text-primary);
  font-size: 14px;
  font-weight: 500;
}

.receiver-file-main span {
  color: var(--fl-text-secondary);
  font-size: 12px;
}

.receiver-actions {
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--fl-border);
  padding: 12px 16px;
}

.legal-section {
  display: grid;
  gap: 7px;
  border-top: 1px solid var(--fl-border);
  padding: 16px;
}

.legal-section:first-child {
  border-top: 0;
}

.legal-section h2 {
  font-size: 18px;
}

.legal-section a {
  color: var(--fl-accent-cyan);
}

.app-bottom-nav {
  position: sticky;
  bottom: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-height: calc(var(--fl-nav-height) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--fl-border);
  background: var(--fl-surface);
  padding: 0 max(12px, env(safe-area-inset-left)) env(safe-area-inset-bottom)
    max(12px, env(safe-area-inset-right));
}

.bottom-nav-item {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 3px;
  min-width: 0;
  min-height: var(--fl-nav-height);
  border: 0;
  background: transparent;
  color: var(--fl-text-secondary);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 6px;
  text-align: center;
  text-decoration: none;
}

.bottom-nav-item:hover,
.bottom-nav-item[aria-current='page'],
.bottom-nav-settings[open] > .bottom-nav-item {
  color: var(--fl-text-primary);
}

.bottom-nav-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 32px;
  border-radius: var(--fl-radius-pill);
  color: inherit;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}

.bottom-nav-item[aria-current='page'] .bottom-nav-icon,
.bottom-nav-settings[open] .bottom-nav-icon {
  background: var(--fl-surface-elevated);
}

.bottom-nav-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.bottom-nav-settings {
  position: relative;
  min-width: 0;
}

.bottom-nav-settings summary {
  list-style: none;
}

.bottom-nav-settings summary::-webkit-details-marker {
  display: none;
}

.settings-popover {
  position: absolute;
  right: 0;
  bottom: calc(var(--fl-nav-height) + 10px);
  display: grid;
  gap: 8px;
  width: min(280px, calc(100vw - 32px));
  border: 1px solid var(--fl-border);
  border-radius: var(--fl-radius-medium);
  background: var(--fl-surface-elevated);
  padding: 10px;
}

.settings-popover a {
  display: flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid var(--fl-border);
  border-radius: var(--fl-radius-small);
  color: var(--fl-text-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 0 10px;
  text-decoration: none;
}

.language-control {
  display: grid;
  gap: 5px;
  min-width: 0;
  border: 1px solid var(--fl-border);
  border-radius: var(--fl-radius-small);
  background: var(--fl-surface);
  padding: 8px 10px;
}

.language-control span {
  color: var(--fl-text-secondary);
  font-size: 12px;
  font-weight: 500;
}

.language-control select {
  width: 100%;
  min-height: 28px;
  border: 0;
  background: transparent;
  color: var(--fl-text-primary);
  font-size: 14px;
  padding: 0;
}

.language-control select:focus {
  outline: none;
}

html[dir='rtl'] .settings-popover {
  right: auto;
  left: 0;
}

@media (max-width: 620px) {
  .fileloom-screen-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 12px 16px 14px;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
  }

  .fileloom-page {
    width: calc(100vw - 24px);
    padding: 18px 0;
  }

  .fileloom-title-block {
    padding: 0 8px;
  }

  .geist-section-header {
    align-items: stretch;
    flex-direction: column;
  }

  .flow-list .geist-list-item,
  .geist-list-item {
    align-items: start;
    grid-template-columns: 1fr;
  }
}