:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-strong: #12182b;
  --bg-soft: #1b2239;
  --panel: rgba(18, 24, 43, 0.84);
  --panel-strong: rgba(22, 29, 52, 0.94);
  --text: #eef3ff;
  --text-muted: #94a0bd;
  --border: rgba(148, 160, 189, 0.18);
  --accent: #6de2ff;
  --accent-strong: #39c9ee;
  --accent-soft: rgba(109, 226, 255, 0.12);
  --success: #b6f36d;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.45);
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Cascadia Code", monospace;
}

body[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2f8;
  --bg-strong: #ffffff;
  --bg-soft: #f7f9fc;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --text: #182033;
  --text-muted: #5c6b8a;
  --border: rgba(24, 32, 51, 0.12);
  --accent: #007ea1;
  --accent-strong: #0a6c86;
  --accent-soft: rgba(0, 126, 161, 0.1);
  --success: #5a8f13;
  --shadow: 0 18px 60px rgba(24, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(109, 226, 255, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(182, 243, 109, 0.08), transparent 24%),
    linear-gradient(180deg, var(--bg-strong), var(--bg));
}

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

.app-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar,
.hero-panel,
.control-bar,
.category-column,
.bookmark-dialog form {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  border-radius: 24px;
  position: sticky;
  top: 16px;
  z-index: 10;
}

.eyebrow,
.hero-kicker,
.bookmark-meta {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.eyebrow,
.hero-kicker {
  margin: 0 0 6px;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: var(--font-display);
}

h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}

.topbar-actions,
.dialog-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 20px;
  margin-top: 18px;
  padding: 24px;
  border-radius: 28px;
}

.hero-copy {
  display: grid;
  gap: 10px;
}

.hero-copy p:last-child {
  color: var(--text-muted);
  max-width: 60ch;
}

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

.hero-stats article {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
}

.hero-stats span {
  font-family: var(--font-display);
  font-size: 2rem;
  display: block;
  margin-bottom: 6px;
}

.hero-stats p {
  color: var(--text-muted);
}

.control-bar {
  display: grid;
  grid-template-columns: minmax(280px, 1.6fr) minmax(240px, 1fr) auto;
  gap: 16px;
  margin-top: 18px;
  padding: 16px;
  border-radius: 24px;
}

.widget-strip {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.utility-widget {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.widget-title-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.widget-title-row h3 {
  margin-top: 2px;
}

.widget-badge {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.task-form,
.widget-inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.task-list,
.widget-list {
  display: grid;
  gap: 8px;
}

.task-item,
.widget-list-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
}

.task-item span,
.widget-list-item span {
  min-width: 0;
}

.task-item.is-complete span,
.widget-list-item.is-complete span {
  color: var(--text-muted);
  text-decoration: line-through;
}

.task-toggle,
.task-delete,
.open-all-button,
.widget-delete-button {
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  border-radius: 12px;
  cursor: pointer;
}

.task-toggle,
.task-delete {
  width: 32px;
  height: 32px;
}

.widget-delete-button {
  padding: 8px 10px;
  font-size: 0.8rem;
}

.widget-note {
  min-height: 180px;
  resize: vertical;
}

.widget-empty {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.insight-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  display: grid;
  gap: 8px;
}

.search-field,
.filter-group,
label {
  display: grid;
  gap: 8px;
}

.field-help {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.checkbox-row {
  align-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
}

input[type="search"],
input[type="text"],
input[type="url"],
select,
textarea {
  width: 100%;
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab-button,
.ghost-button,
.primary-button,
.icon-button,
.favorite-button {
  border: 0;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.tab-button,
.ghost-button,
.primary-button {
  border-radius: 14px;
  padding: 10px 14px;
}

.tab-button,
.ghost-button,
.icon-button {
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--border);
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04111a;
  font-weight: 700;
}

.tab-button:hover,
.ghost-button:hover,
.primary-button:hover,
.icon-button:hover,
.favorite-button:hover,
.bookmark-card:hover {
  transform: translateY(-1px);
}

.tab-button.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(109, 226, 255, 0.36);
}

.category-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.category-column {
  border-radius: 24px;
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 260px;
}

.category-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

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

.category-header p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.open-all-button {
  padding: 8px 10px;
  font-size: 0.8rem;
}

.bookmark-stack {
  display: grid;
  gap: 10px;
}

.bookmark-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 12px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
}

.bookmark-main {
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.bookmark-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-soft), rgba(182, 243, 109, 0.12));
  border: 1px solid var(--border);
  font-weight: 700;
}

.bookmark-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.bookmark-title {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.bookmark-meta {
  color: var(--text-muted);
  font-size: 0.76rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bookmark-notes {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.favorite-button {
  background: transparent;
  color: var(--text-muted);
  border-radius: 999px;
  width: 34px;
  height: 34px;
  align-self: center;
}

.bookmark-actions {
  display: grid;
  gap: 8px;
  align-self: center;
}

.favorite-button.is-favorite {
  color: var(--success);
  background: rgba(182, 243, 109, 0.1);
}

.delete-button {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 34px;
  height: 34px;
  cursor: pointer;
}

.delete-button:hover {
  color: #ff7a66;
  border-color: rgba(255, 122, 102, 0.4);
  background: rgba(255, 122, 102, 0.08);
}

.empty-state {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  background: rgba(148, 160, 189, 0.04);
}

.bookmark-dialog {
  width: min(640px, calc(100% - 24px));
  border: 0;
  padding: 0;
  background: transparent;
}

.bookmark-dialog::backdrop {
  background: rgba(2, 6, 23, 0.65);
  backdrop-filter: blur(8px);
}

.bookmark-dialog form {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: 28px;
  background: var(--panel-strong);
}

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  font-size: 1.4rem;
  line-height: 1;
}

@media (max-width: 1080px) {
  .hero-panel,
  .control-bar,
  .widget-strip,
  .category-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 1280px);
    padding-top: 14px;
  }

  .topbar,
  .topbar-actions,
  .dialog-actions,
  .hero-stats,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .topbar-actions,
  .dialog-actions {
    display: grid;
  }
}