:root {
  color-scheme: dark;
  /* CSS HEX */
  --jet-black: #24292dff;
  --charcoal-blue: #3b434aff;
  --charcoal: #4d545bff;
  --alabaster-grey: #d2d7dcff;
  --platinum: #f6f8faff;
  --bg: #3b434a;
  --panel: var(--charcoal-blue);
  --panel-strong: #2e353b;
  --line: rgba(210, 215, 220, 0.16);
  --line-strong: rgba(210, 215, 220, 0.28);
  --text: var(--platinum);
  --muted: var(--alabaster-grey);
  --accent: var(--alabaster-grey);
  --accent-soft: rgba(210, 215, 220, 0.12);
  --warning: var(--platinum);
  --warning-bg: rgba(77, 84, 91, 0.42);
  --radius: 0;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
  --body-top-glow: rgba(246, 248, 250, 0.08);
  --body-gradient-start: #3b434a;
  --topbar-bg: #24292d;
  --menu-trigger-bg: rgba(59, 67, 74, 0.36);
  --menu-trigger-open-bg: rgba(77, 84, 91, 0.45);
  --menu-panel-bg: rgba(36, 41, 45, 0.98);
  --control-bg: #4d545b;
  --button-top: rgba(77, 84, 91, 0.92);
  --button-bottom: rgba(59, 67, 74, 0.96);
  --pill-bg: rgba(59, 67, 74, 0.24);
  --card-top: #4d545b;
  --card-bottom: #4d545b;
  --panel-bar-bg: #4d545b;
  --panel-bar-text: #f6f8fa;
  --panel-bar-hover: #d2d7dc;
  --copied-border: rgba(246, 248, 250, 0.26);
  --copied-bg: rgba(77, 84, 91, 0.62);
  --icon-filter: invert(1) brightness(1.8);
  --panel-icon-filter: invert(100%) sepia(11%) saturate(147%) hue-rotate(173deg) brightness(111%) contrast(96%);
  --panel-icon-filter-hover: brightness(0) saturate(100%) invert(89%) sepia(9%) saturate(155%) hue-rotate(175deg) brightness(93%) contrast(92%);
  --toggle-icon-filter: invert(100%) sepia(11%) saturate(147%) hue-rotate(173deg) brightness(111%) contrast(96%);
  --menu-text-active: #f6f8fa;
  --menu-text-muted: #d2d7dc;
  --menu-support-text: #f6f8fa;
  --menu-support-hover: #d2d7dc;
  --menu-signoff-text: #d2d7dc;
  --change-bg: rgba(255, 138, 122, 0.14);
  --change-text: #ffb0a3;
  --flag-bg: rgba(255, 196, 112, 0.16);
  --flag-text: #ffd08a;
  --reverted-bg: rgba(122, 211, 255, 0.14);
  --reverted-text: #a9e5ff;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: var(--platinum);
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --line: rgba(36, 41, 45, 0.14);
  --line-strong: rgba(36, 41, 45, 0.24);
  --text: var(--jet-black);
  --muted: var(--charcoal);
  --accent: var(--charcoal-blue);
  --accent-soft: rgba(59, 67, 74, 0.1);
  --warning: var(--jet-black);
  --warning-bg: rgba(210, 215, 220, 0.72);
  --shadow: 0 18px 40px rgba(36, 41, 45, 0.08);
  --body-top-glow: rgba(59, 67, 74, 0.05);
  --body-gradient-start: #eef1f4;
  --topbar-bg: rgba(246, 248, 250, 0.92);
  --menu-trigger-bg: rgba(210, 215, 220, 0.64);
  --menu-trigger-open-bg: rgba(210, 215, 220, 0.88);
  --menu-panel-bg: rgba(246, 248, 250, 0.98);
  --control-bg: #ffffff;
  --button-top: rgba(210, 215, 220, 0.96);
  --button-bottom: rgba(210, 215, 220, 0.78);
  --pill-bg: rgba(210, 215, 220, 0.56);
  --card-top: #ffffff;
  --card-bottom: #ffffff;
  --panel-bar-bg: #ffffff;
  --panel-bar-text: #4d545b;
  --panel-bar-hover: #d2d7dc;
  --copied-border: rgba(59, 67, 74, 0.2);
  --copied-bg: rgba(210, 215, 220, 0.9);
  --icon-filter: none;
  --panel-icon-filter: brightness(0) saturate(100%) invert(33%) sepia(7%) saturate(350%) hue-rotate(171deg) brightness(93%) contrast(87%);
  --panel-icon-filter-hover: brightness(0) saturate(100%) invert(95%) sepia(8%) saturate(124%) hue-rotate(171deg) brightness(94%) contrast(90%);
  --toggle-icon-filter: brightness(0) saturate(100%) invert(13%) sepia(6%) saturate(739%) hue-rotate(167deg) brightness(96%) contrast(88%);
  --menu-text-active: #2b2b31;
  --menu-text-muted: #7a858d;
  --menu-support-text: #2b2b31;
  --menu-support-hover: #4d545b;
  --menu-signoff-text: #2b2b31;
  --change-bg: rgba(196, 61, 43, 0.14);
  --change-text: #c43d2b;
  --flag-bg: rgba(243, 155, 47, 0.22);
  --flag-text: #b85c00;
  --reverted-bg: rgba(0, 153, 204, 0.2);
  --reverted-text: #007aa3;
}

* {
  box-sizing: border-box;
}

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

body {
  background:
    radial-gradient(circle at top, var(--body-top-glow), transparent 24%),
    linear-gradient(180deg, var(--body-gradient-start) 0%, var(--bg) 100%);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

a {
  color: inherit;
}

.topbar {
  position: relative;
  z-index: 70;
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  backdrop-filter: blur(16px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 auto;
  min-height: 50px;
  padding: 0 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: #0099cc;
}

.brand-bolt {
  display: block;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  transform: translateY(0);
}

.more-menu {
  position: relative;
  z-index: 80;
}

.more-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.more-trigger::-webkit-details-marker {
  display: none;
}

.more-menu[open] .more-trigger {
  background: transparent;
  border-color: transparent;
  outline: none;
  box-shadow: none;
}

.more-trigger:hover {
  border-color: transparent;
  outline: none;
  box-shadow: none;
}

.more-trigger:hover .icon-img {
  filter: brightness(0) saturate(100%) invert(89%) sepia(9%) saturate(155%) hue-rotate(175deg) brightness(93%) contrast(92%);
}

.icon-img {
  display: block;
  flex: 0 0 auto;
  filter: var(--icon-filter);
}

.menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 90;
  width: min(280px, calc(100vw - 32px));
  max-height: calc(100vh - 74px);
  max-height: calc(100dvh - 74px);
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--menu-panel-bg);
  box-shadow: var(--shadow);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  padding: 0;
  border: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
}

.menu-actions {
  display: grid;
  gap: 12px;
  padding-top: 2px;
}

.menu-compact-control {
  min-height: 40px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.app-shell {
  width: 100%;
  margin: 0 auto;
  padding: 12px 16px 40px;
}

.page-intro {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.page-eyebrow {
  margin: 0;
  color: #0099cc;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-title {
  margin: 0;
  color: var(--text);
  font-size: 1.32rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.page-description {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.section-heading {
  margin-bottom: 0;
}

.input-section,
.hashtags-section,
.results-section {
  margin-top: 12px;
}

.input-section {
  margin-top: 0;
}

.composer-card,
.post-card {
  border: 1px solid var(--line);
  border-radius: 0;
  background: linear-gradient(180deg, var(--card-top), var(--card-bottom));
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 32px;
  padding: 0 12px 10px;
  background: var(--panel-bar-bg);
  color: var(--panel-bar-text);
}

.panel-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.textarea-shell {
  position: relative;
  height: 250px;
}

.editor-input {
  height: 250px;
  min-height: 250px;
  max-height: 250px;
  box-sizing: border-box;
}

.clear-overlay-button {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--panel-bar-text);
  opacity: 0.5;
  cursor: pointer;
  transition:
    opacity 120ms ease,
    transform 120ms ease;
}

.clear-overlay-button:hover,
.clear-overlay-button:focus {
  opacity: 0.92;
}

.clear-overlay-button:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.clear-overlay-button:disabled {
  opacity: 0.32;
  cursor: default;
}

.clear-overlay-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  filter: var(--icon-filter);
}

.panel-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  align-self: center;
  width: auto;
  min-height: 0;
  padding: 0 4px;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--panel-bar-text);
  opacity: 1;
  cursor: pointer;
  transition:
    opacity 120ms ease,
    color 120ms ease,
    transform 120ms ease;
}

.panel-icon-button:hover,
.panel-icon-button:focus {
  opacity: 1;
  color: var(--panel-bar-hover);
}

.panel-icon-button:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.panel-icon-button.pasted,
.panel-icon-button.copied {
  opacity: 1;
}

.panel-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
}

.panel-button-label {
  display: inline-block;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

h1,
h2 {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

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

.menu-inline-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.menu-inline-field label {
  flex: 0 0 auto;
}

.menu-inline-field .menu-compact-control {
  width: auto;
  min-width: 132px;
}

.hashtags-toolbar {
  display: flex;
  align-items: stretch;
  gap: 10px;
  min-width: 0;
}

.hashtags-input-wrap {
  flex: 0 1 50%;
  max-width: 50%;
  min-width: 0;
}

.hashtags-actions {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex: 1 1 0;
  min-width: 0;
  position: relative;
}

.hashtags-actions > .hashtags-action-button {
  flex: 1 1 0;
  min-width: 0;
}

.hashtags-action-button {
  width: 100%;
  min-height: 48px;
  min-width: 0;
  padding: 0 10px;
  appearance: none;
  -moz-appearance: none;
  transition:
    filter 120ms ease,
    background 120ms ease;
}

.hashtags-action-button:hover {
  filter: brightness(0.9);
}

.hashtags-action-button:active {
  filter: brightness(0.82);
}

.hashtags-action-button:focus {
  outline: none;
  box-shadow: none;
}

.hashtags-action-button:focus-visible {
  outline: none;
  box-shadow: none;
}

.hashtags-action-button::-moz-focus-inner {
  border: 0;
  padding: 0;
}

.hashtags-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 35;
  width: 280px;
  padding: 4px 0;
  border: 1px solid var(--line-strong);
  background: var(--menu-panel-bg);
  box-shadow: var(--shadow);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.hashtags-menu-list {
  display: grid;
  gap: 0;
}

.hashtags-menu-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px;
  padding: 0 6px;
}

.hashtags-menu-checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  min-height: 34px;
  cursor: pointer;
}

.hashtags-menu-checkbox {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--accent);
  flex: 0 0 auto;
}

.hashtags-menu-label {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hashtags-menu-delete-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.hashtags-menu-delete-button:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.hashtags-menu-delete-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  filter: var(--panel-icon-filter);
}

.hashtags-menu-delete-button:hover .hashtags-menu-delete-icon,
.hashtags-menu-delete-button:focus .hashtags-menu-delete-icon {
  filter: var(--panel-icon-filter-hover);
}

.hashtags-menu-empty {
  margin: 0;
  padding: 10px 14px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.3;
}

label,
.toggle-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.editor-input,
textarea,
input,
select,
.action-button {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--control-bg);
  color: var(--text);
  font: inherit;
}

.editor-input,
textarea,
input,
select {
  padding: 14px;
}

.editor-input {
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow-x: hidden;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  caret-color: var(--text);
}

.editor-input:empty::before {
  content: attr(data-placeholder);
  color: var(--muted);
}

textarea {
  min-height: 300px;
  resize: vertical;
  line-height: 1.6;
}

input,
select {
  min-height: 48px;
}

.editor-input:focus,
textarea:focus,
input:focus,
select:focus {
  outline: none;
}

.editor-input .change,
.editor-input .flag,
.editor-input .reverted {
  padding: 0 2px;
  border-radius: 0;
}

.editor-input .change {
  background: var(--change-bg);
  color: var(--change-text);
  cursor: pointer;
}

.editor-input .flag {
  background: var(--flag-bg);
  color: var(--flag-text);
}

.editor-input .reverted {
  background: var(--reverted-bg);
  color: var(--reverted-text);
  cursor: pointer;
}

.action-button:focus,
.more-trigger:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.more-menu[open] .more-trigger:focus {
  outline: none;
  box-shadow: none;
}

.field-hint,
.toggle-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 500;
  line-height: 1.6;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 28px;
}

.toggle-control {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
}

.toggle-row input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.toggle-icon {
  width: 28px;
  height: 28px;
  background-image: url("./assets/icons/toggle_left_fill.svg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 28px 28px;
  filter: var(--toggle-icon-filter);
  pointer-events: none;
}

.toggle-row input:checked + .toggle-icon {
  background-image: url("./assets/icons/toggle_right_fill.svg");
}

.toggle-row input:focus + .toggle-icon {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.action-button {
  min-height: 44px;
  padding: 0 14px;
  cursor: pointer;
}

.action-button {
  background: linear-gradient(180deg, var(--button-top), var(--button-bottom));
  border-color: rgba(210, 215, 220, 0.22);
}

.menu-action-button {
  width: 100%;
}

.menu-text-action {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--menu-text-muted);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
}

.menu-text-action.active {
  color: var(--menu-text-active);
}

.menu-text-action:focus {
  outline: none;
}

.menu-text-action:disabled {
  opacity: 0.56;
  cursor: not-allowed;
}

.menu-divider {
  width: 100%;
  height: 1px;
  background: var(--line);
}

.menu-support {
  display: grid;
  gap: 8px;
}

.menu-support-title {
  margin: 0;
  color: #0099cc;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.menu-support-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--menu-support-text);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.2;
  text-decoration: none;
}

.menu-support-icon {
  display: block;
  width: 16px;
  height: 16px;
  filter: var(--toggle-icon-filter);
}

.menu-support-link-icon {
  display: block;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.menu-support-link:hover,
.menu-support-link:focus {
  color: var(--menu-support-hover);
}

.menu-signoff {
  margin: 0;
  color: var(--menu-signoff-text);
  font-size: 0.85rem;
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
  text-align: right;
}

.menu-signoff-heart {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: 1px;
  vertical-align: text-bottom;
  filter: brightness(0) saturate(100%) invert(29%) sepia(97%) saturate(3575%) hue-rotate(340deg) brightness(104%) contrast(108%);
}

.action-button:disabled,
.panel-icon-button:disabled {
  opacity: 0.56;
  cursor: not-allowed;
}

.editor-status {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--panel-bar-text);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  text-align: left;
  cursor: pointer;
}

.editor-status:disabled {
  cursor: default;
}

.editor-status:focus {
  outline: none;
}

.source-char-count {
  margin: 0;
  color: var(--panel-bar-text);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  text-align: right;
  white-space: nowrap;
}

.composer-card .panel-button-label {
  font-size: 0.85rem;
}

.message-banner {
  margin-bottom: 14px;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--warning-bg);
  color: var(--warning);
}

.results-list {
  display: grid;
  gap: 0;
}

.results-list.empty {
  min-height: 240px;
}

.results-list:not(.empty) {
  border: 1px solid var(--line);
}

.results-list:not(.empty) .post-card {
  border: 0;
  border-top: 1px solid var(--line);
}

.results-list:not(.empty) .post-card:first-child {
  border-top: 0;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 240px;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 0;
  color: var(--muted);
  text-align: center;
}

.post-label {
  display: block;
  margin: 0;
  color: var(--panel-bar-text);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.post-body {
  margin: 0;
  padding: 15px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  font-family: inherit;
}

.post-char-count {
  margin: 0;
  color: var(--panel-bar-text);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  text-align: right;
  white-space: nowrap;
}

.post-card .panel-button-label {
  font-size: 0.85rem;
}

.panel-button-label {
  color: inherit;
}

.panel-header .panel-icon {
  filter: var(--panel-icon-filter);
}

.panel-icon-button:hover .panel-icon,
.panel-icon-button:focus .panel-icon {
  filter: var(--panel-icon-filter-hover);
}

@media (min-width: 720px) {
  .topbar-inner,
  .app-shell {
    max-width: 638px;
  }

  .topbar-inner {
    padding: 0 20px;
  }

  .app-shell {
    padding: 12px 20px 56px;
  }

  .action-button {
    width: auto;
    min-width: 180px;
  }

  textarea {
    min-height: 340px;
  }
}

@media (max-width: 719px) {
  .menu-panel {
    position: fixed;
    top: 58px;
    right: 16px;
  }
}