@layer reset, base, components, responsive;

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  * {
    margin: 0;
  }

  button,
  input,
  textarea {
    font: inherit;
  }

  button,
  fieldset {
    border: 0;
  }

  fieldset {
    min-width: 0;
    padding: 0;
  }

  [hidden] {
    display: none !important;
  }
}

@layer base {
  :root {
    color-scheme: dark;
    --background: #000;
    --surface: rgb(28 28 30 / 0.62);
    --surface-strong: rgb(44 44 46 / 0.74);
    --control: rgb(118 118 128 / 0.18);
    --line: rgb(255 255 255 / 0.12);
    --line-strong: rgb(255 255 255 / 0.22);
    --highlight: rgb(255 255 255 / 0.2);
    --text: #fff;
    --muted: rgb(235 235 245 / 0.68);
    --faint: rgb(235 235 245 / 0.44);
    --accent: #0a84ff;
    --accent-ink: #fff;
    --danger: #ff453a;
    --ambient-a: rgb(10 132 255 / 0.11);
    --ambient-b: rgb(94 92 230 / 0.08);
    --focus: color-mix(in oklch, var(--accent) 72%, white);
    --shadow:
      0 24px 72px rgb(0 0 0 / 0.48),
      inset 0 1px 0 var(--highlight);
    --radius: 1.5rem;
    --radius-small: 0.9rem;
    --page: min(74rem, calc(100% - 2rem));
    accent-color: var(--accent);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
      "Segoe UI", sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
  }

  :root[data-theme="light"] {
    color-scheme: light;
    --background: #f2f2f7;
    --surface: rgb(255 255 255 / 0.58);
    --surface-strong: rgb(255 255 255 / 0.8);
    --control: rgb(255 255 255 / 0.5);
    --line: rgb(60 60 67 / 0.14);
    --line-strong: rgb(60 60 67 / 0.24);
    --highlight: rgb(255 255 255 / 0.94);
    --text: #000;
    --muted: rgb(60 60 67 / 0.72);
    --faint: rgb(60 60 67 / 0.5);
    --accent: #007aff;
    --accent-ink: #fff;
    --danger: #ff3b30;
    --ambient-a: rgb(0 122 255 / 0.08);
    --ambient-b: rgb(94 92 230 / 0.05);
    --shadow:
      0 20px 60px rgb(60 60 67 / 0.14),
      inset 0 1px 0 var(--highlight);
  }

  html {
    min-width: 320px;
    min-height: 100%;
    background: var(--background);
    scroll-behavior: smooth;
  }

  body {
    min-height: 100dvh;
    color: var(--text);
    background:
      radial-gradient(ellipse at 12% -6%, var(--ambient-a), transparent 34rem),
      radial-gradient(ellipse at 92% 12%, var(--ambient-b), transparent 31rem),
      var(--background);
    background-attachment: fixed;
  }

  body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    content: "";
    pointer-events: none;
    opacity: 0.7;
    background:
      linear-gradient(135deg, rgb(255 255 255 / 0.045), transparent 34%),
      radial-gradient(circle at 50% -15%, rgb(255 255 255 / 0.07), transparent 45%);
    filter: blur(32px);
  }

  button,
  input,
  textarea,
  label:has(input) {
    -webkit-tap-highlight-color: transparent;
  }

  button,
  label:has(input) {
    cursor: pointer;
  }

  button:disabled {
    cursor: wait;
  }

  :focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
  }

  ::selection {
    color: var(--accent-ink);
    background: var(--accent);
  }

  h1 {
    letter-spacing: -0.045em;
    text-wrap: balance;
  }

  p {
    text-wrap: pretty;
  }

  code {
    padding: 0.13rem 0.38rem;
    color: color-mix(in oklch, var(--accent) 78%, var(--text));
    border: 1px solid color-mix(in oklch, var(--accent) 28%, var(--line));
    border-radius: 0.42rem;
    background: color-mix(in oklch, var(--accent) 8%, var(--control));
    font: 700 0.88em/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.06em;
  }
}

@layer components {
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  .icon-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
  }

  .ui-icon,
  .nav-icon,
  .icon-button svg {
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .ui-icon {
    flex: 0 0 auto;
    width: 1rem;
    height: 1rem;
  }

  .app-header {
    position: relative;
    z-index: 20;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: var(--page);
    min-height: 4.5rem;
    margin-inline: auto;
    padding-block: max(0.6rem, env(safe-area-inset-top)) 0.6rem;
    isolation: isolate;
  }

  .brand {
    display: inline-flex;
    gap: 0.7rem;
    align-items: center;
    width: fit-content;
    color: var(--text);
    font-size: 1.03rem;
    font-weight: 760;
    text-decoration: none;
    letter-spacing: -0.03em;
  }

  .brand-mark {
    position: relative;
    width: 1.85rem;
    aspect-ratio: 1;
    border: 1px solid color-mix(in oklch, var(--accent) 44%, var(--line-strong));
    border-radius: 50%;
    background:
      radial-gradient(circle at 32% 24%, var(--highlight), transparent 28%),
      color-mix(in oklch, var(--accent) 14%, var(--surface));
    box-shadow:
      inset 0 1px 0 var(--highlight),
      0 0.5rem 1.8rem color-mix(in oklch, var(--accent) 18%, transparent);
    backdrop-filter: blur(18px) saturate(150%);
  }

  .brand-mark::after {
    position: absolute;
    inset: 36%;
    content: "";
    border-radius: 50%;
    background: var(--accent);
    box-shadow:
      inset 0 1px 0 rgb(255 255 255 / 0.8),
      0 0 1.2rem color-mix(in oklch, var(--accent) 65%, transparent);
  }

  .top-nav {
    display: flex;
    gap: 0.25rem;
    padding: 0.3rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.12), transparent 42%),
      var(--surface);
    box-shadow:
      inset 0 1px 0 var(--highlight),
      0 0.7rem 2.4rem rgb(0 0 0 / 0.22);
    backdrop-filter: blur(30px) saturate(165%);
  }

  .nav-button,
  .icon-button {
    display: grid;
    place-items: center;
    width: 2.75rem;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0;
    color: var(--muted);
    border-radius: 999px;
    transition:
      color 180ms ease,
      background 180ms ease,
      box-shadow 180ms ease,
      transform 180ms ease;
  }

  .nav-button {
    color: var(--muted);
    text-decoration: none;
  }

  .nav-button[aria-current="page"] {
    color: var(--accent);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.1), transparent 50%),
      var(--surface-strong);
    box-shadow:
      inset 0 1px 0 var(--highlight),
      0 0.35rem 1rem rgb(0 0 0 / 0.12);
  }

  .nav-icon,
  .icon-button svg {
    width: 1.2rem;
    height: 1.2rem;
  }

  .header-actions {
    display: flex;
    justify-content: flex-end;
  }

  .theme-picker {
    position: relative;
  }

  .theme-menu {
    position: absolute;
    inset-block-start: calc(100% + 0.55rem);
    inset-inline-end: 0;
    z-index: 30;
    display: grid;
    width: 10.5rem;
    padding: 0.35rem;
    border: 1px solid var(--line);
    border-radius: 0.85rem;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.09), transparent 46%),
      var(--surface-strong);
    box-shadow: var(--shadow);
    backdrop-filter: blur(30px) saturate(165%);
  }

  .theme-option {
    display: grid;
    grid-template-columns: 1rem minmax(0, 1fr) 1rem;
    gap: 0.65rem;
    align-items: center;
    width: 100%;
    padding: 0.62rem 0.7rem;
    color: var(--muted);
    border-radius: 0.62rem;
    background: transparent;
    text-align: left;
  }

  .theme-option:hover,
  .theme-option:focus-visible {
    color: var(--text);
    background: var(--control);
  }

  .theme-option[aria-checked="true"] {
    color: var(--text);
    background: color-mix(in oklch, var(--accent) 11%, var(--control));
  }

  .theme-option-check {
    color: var(--accent);
    opacity: 0;
  }

  .theme-option[aria-checked="true"] .theme-option-check {
    opacity: 1;
  }

  .icon-button {
    border: 1px solid var(--line);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.12), transparent 42%),
      var(--surface);
    box-shadow: inset 0 1px 0 var(--highlight);
    backdrop-filter: blur(24px) saturate(150%);
  }

  .icon-button:hover {
    color: var(--text);
  }

  .icon-button:active,
  .button:active {
    transform: scale(0.97);
  }

  main {
    width: var(--page);
    margin-inline: auto;
    padding-block: clamp(0.9rem, 2vw, 1.6rem) 5rem;
  }

  .screen:not(.is-active) {
    display: none;
  }

  .workspace {
    width: min(60rem, 100%);
    margin-inline: auto;
  }

  .panel {
    overflow: clip;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.085), transparent 24%),
      var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(36px) saturate(135%);
  }

  .composer,
  .access-card {
    container-type: inline-size;
  }

  .panel-head {
    display: flex;
    gap: 1.5rem;
    justify-content: space-between;
    align-items: flex-start;
    padding: clamp(1.4rem, 3vw, 2.2rem);
    border-bottom: 1px solid var(--line);
  }

  .panel-head h1 {
    max-width: 18ch;
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    line-height: 0.98;
  }

  .panel h1[tabindex="-1"]:focus {
    outline: none;
  }

  .privacy-mark,
  .result-mark {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid color-mix(in oklch, var(--accent) 40%, var(--line));
    border-radius: 50%;
    color: var(--accent);
    background:
      radial-gradient(circle at 35% 25%, var(--highlight), transparent 30%),
      color-mix(in oklch, var(--accent) 12%, var(--control));
    box-shadow: inset 0 1px 0 var(--highlight);
  }

  .privacy-mark {
    width: 3rem;
    height: 3rem;
  }

  .form-body {
    display: grid;
    gap: 1.3rem;
    padding: clamp(1.25rem, 3vw, 2rem);
  }

  .field {
    display: grid;
    gap: 0.68rem;
  }

  .label-row {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: baseline;
  }

  .field-label {
    color: var(--text);
    font-size: 0.86rem;
    font-weight: 720;
  }

  .field-hint {
    color: var(--faint);
    font-size: 0.75rem;
    line-height: 1.4;
  }

  textarea,
  .word-input,
  .locator-input,
  .duration-value {
    width: 100%;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    outline: none;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.035), transparent 35%),
      color-mix(in oklch, var(--surface-strong) 70%, transparent);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.04);
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
  }

  textarea {
    min-height: 13rem;
    padding: 1.15rem;
    resize: vertical;
    font-size: clamp(1.05rem, 2vw, 1.22rem);
    line-height: 1.6;
  }

  .locator-input {
    min-height: 3.5rem;
    padding-inline: 1rem;
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 1rem;
    letter-spacing: 0.015em;
  }

  .locator-input {
    text-transform: uppercase;
  }

  textarea::placeholder,
  input::placeholder {
    color: var(--faint);
  }

  textarea:focus,
  .word-input:focus,
  .locator-input:focus,
  .duration-value:focus {
    border-color: color-mix(in oklch, var(--accent) 58%, var(--line));
    background: var(--surface-strong);
    box-shadow: 0 0 0 0.25rem color-mix(in oklch, var(--accent) 13%, transparent);
  }

  .lifecycle {
    padding-top: 0.1rem;
  }

  .access-options {
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.05), transparent 35%),
      color-mix(in oklch, var(--surface-strong) 48%, transparent);
  }

  .access-options > summary {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    min-height: 3.6rem;
    padding-inline: 1rem;
    color: var(--text);
    font-size: 0.86rem;
    font-weight: 720;
    cursor: pointer;
    list-style: none;
  }

  .access-options > summary::-webkit-details-marker {
    display: none;
  }

  .access-options > summary::after {
    width: 0.55rem;
    height: 0.55rem;
    content: "";
    color: var(--muted);
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    rotate: 45deg;
    translate: 0 -0.12rem;
    transition: rotate 180ms ease, translate 180ms ease;
  }

  .access-options[open] > summary::after {
    rotate: 225deg;
    translate: 0 0.12rem;
  }

  .access-options-body {
    display: grid;
    gap: 1.25rem;
    padding: 0 1rem 1rem;
  }

  .two-option-segmented {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .code-config {
    display: grid;
    gap: 0.8rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
  }

  .code-heading {
    min-height: 2.75rem;
    align-items: center;
  }

  .label-actions {
    display: flex;
    gap: 0.55rem;
    align-items: center;
  }

  .mini-button,
  .code-word {
    min-height: 2.75rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.07), transparent 46%),
      var(--control);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.08);
  }

  .mini-button {
    display: inline-flex;
    gap: 0.4rem;
    align-items: center;
    padding-inline: 0.95rem;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 680;
  }

  .mini-button:hover {
    color: var(--text);
    border-color: var(--line-strong);
  }

  .icon-only {
    justify-content: center;
    width: 2.75rem;
    padding: 0;
    border-color: var(--line-strong);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.11), transparent 48%),
      var(--surface-strong);
    box-shadow:
      inset 0 1px 0 var(--highlight),
      0 0.25rem 0.8rem rgb(0 0 0 / 0.12);
  }

  .regenerate-button .ui-icon {
    width: 1.2rem;
    height: 1.2rem;
    stroke-width: 2.2;
  }

  .switch {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 3.25rem;
    min-height: 2.75rem;
    cursor: pointer;
  }

  .switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
  }

  .switch-track {
    position: relative;
    width: 3.05rem;
    height: 1.8rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
    box-shadow:
      inset 0 1px 0 var(--highlight),
      0 0.2rem 0.6rem rgb(0 0 0 / 0.1);
    transition: background 180ms ease, border-color 180ms ease;
  }

  .switch-track::after {
    position: absolute;
    inset-block-start: 0.17rem;
    inset-inline-start: 0.17rem;
    width: 1.36rem;
    aspect-ratio: 1;
    content: "";
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0.12rem 0.35rem rgb(0 0 0 / 0.28);
    transition: translate 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }

  .switch input:checked + .switch-track {
    border-color: transparent;
    background: var(--accent);
    box-shadow:
      inset 0 0 0 1px rgb(255 255 255 / 0.18),
      0 0.2rem 0.55rem color-mix(in srgb, var(--accent) 16%, transparent);
  }

  .switch input:checked + .switch-track::after {
    translate: 1.25rem 0;
  }

  .switch input:focus-visible + .switch-track {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
  }

  .optional-code-config,
  .custom-code-fields,
  .word-confirmation {
    display: grid;
    gap: 0.8rem;
  }

  .code-preview,
  .word-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .code-word {
    display: grid;
    place-items: center;
    min-width: 0;
    padding-inline: 0.55rem;
    overflow: hidden;
    color: var(--text);
    font: 680 clamp(0.68rem, 2cqi, 0.85rem)/1 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    text-overflow: ellipsis;
  }

  .word-input {
    min-width: 0;
    min-height: 2.8rem;
    padding-inline: 0.65rem;
    text-align: center;
    font: 650 0.78rem/1 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  }

  .custom-words-warning {
    color: color-mix(in oklch, var(--danger) 58%, var(--muted));
  }

  .segmented {
    display: grid;
    gap: 0.25rem;
    padding: 0.28rem;
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    background: color-mix(in oklch, var(--background) 62%, transparent);
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.04);
  }

  .lifecycle-segmented,
  .duration-units {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .segmented label {
    position: relative;
    min-width: 0;
  }

  .segmented input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
  }

  .segmented span {
    display: grid;
    place-items: center;
    min-height: 2.55rem;
    padding: 0.4rem 0.6rem;
    color: var(--muted);
    border-radius: 0.6rem;
    font-size: 0.82rem;
    font-weight: 680;
    text-align: center;
    transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
  }

  .segmented input:checked + span {
    color: var(--accent);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.11), transparent 55%),
      var(--surface-strong);
    box-shadow:
      inset 0 1px 0 var(--highlight),
      0 0.22rem 0.65rem rgb(0 0 0 / 0.13);
  }

  .segmented input:focus-visible + span {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
  }

  .duration-config {
    display: grid;
    grid-template-columns: minmax(8rem, 0.7fr) minmax(16rem, 1.3fr);
    gap: 0.6rem;
  }

  .duration-control {
    display: grid;
    gap: 0.42rem;
  }

  .duration-value {
    min-height: 3.12rem;
    padding-inline: 1rem;
    font-weight: 720;
    appearance: textfield;
  }

  .duration-value::-webkit-inner-spin-button {
    appearance: none;
  }

  .form-error,
  .operation-status {
    min-height: 1.15rem;
    font-size: 0.82rem;
    line-height: 1.4;
  }

  .form-error {
    color: var(--danger);
  }

  .form-error:empty,
  .operation-status:empty {
    display: none;
  }

  .operation-status {
    color: color-mix(in oklch, var(--accent) 72%, var(--text));
  }

  .button {
    display: inline-flex;
    gap: 0.55rem;
    justify-content: center;
    align-items: center;
    min-height: 3.15rem;
    padding: 0.75rem 1.1rem;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 0.95rem;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.08), transparent 48%),
      var(--control);
    box-shadow: inset 0 1px 0 var(--highlight);
    font-size: 0.9rem;
    font-weight: 720;
    text-decoration: none;
    transition: transform 160ms ease, filter 160ms ease, opacity 160ms ease;
  }

  .button-primary {
    color: var(--accent-ink);
    border-color: color-mix(in oklch, var(--accent) 74%, white 12%);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.22), transparent 50%),
      var(--accent);
    box-shadow:
      inset 0 1px 0 rgb(255 255 255 / 0.35),
      0 0.7rem 1.8rem color-mix(in oklch, var(--accent) 22%, transparent);
  }

  .button-danger {
    color: #fff;
    border-color: color-mix(in oklch, var(--danger) 76%, white 10%);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.18), transparent 50%),
      var(--danger);
    box-shadow:
      inset 0 1px 0 rgb(255 255 255 / 0.3),
      0 0.7rem 1.8rem color-mix(in oklch, var(--danger) 18%, transparent);
  }

  .button:hover {
    filter: brightness(1.07);
  }

  .button:disabled {
    opacity: 0.68;
    filter: saturate(0.7);
  }

  .button[aria-busy="true"] .button-icon {
    animation: busy-pulse 900ms ease-in-out infinite alternate;
  }

  .full-width {
    width: 100%;
  }

  .form-actions,
  .result-actions {
    display: grid;
    gap: 0.7rem;
  }

  .result-screen.is-active {
    display: grid;
    place-items: center;
    min-height: min(38rem, calc(100dvh - 11rem));
  }

  .result-card,
  .opened-card {
    display: grid;
    justify-items: center;
    width: min(58rem, 100%);
    padding: clamp(1.7rem, 4vw, 2.6rem);
    text-align: center;
  }

  .locator-summary {
    display: flex;
    gap: 0.8rem;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    background: var(--control);
  }

  .locator-summary code {
    font-size: 0.92rem;
  }

  .opened-text {
    width: 100%;
    max-height: min(52rem, 62dvh);
    margin-top: 1.5rem;
    padding: clamp(1rem, 3vw, 1.5rem);
    overflow: auto;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--surface-strong);
    font: inherit;
    line-height: 1.65;
    overflow-wrap: anywhere;
    text-align: left;
    white-space: pre-wrap;
  }

  .result-mark {
    width: 4.3rem;
    height: 4.3rem;
    margin-bottom: 1.35rem;
  }

  .result-mark .ui-icon {
    width: 1.75rem;
    height: 1.75rem;
    stroke-width: 2.3;
  }

  .result-copy h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    line-height: 1;
  }

  .result-copy > p {
    margin-top: 0.9rem;
    color: var(--muted);
    line-height: 1.55;
  }

  .management-warning {
    width: 100%;
    margin-top: 1.2rem;
    padding: 0.9rem 1rem;
    color: color-mix(in oklch, var(--danger) 70%, var(--text));
    border: 1px solid color-mix(in oklch, var(--danger) 44%, var(--line));
    border-radius: 0.8rem;
    background: var(--control);
    font-size: 0.82rem;
    line-height: 1.5;
    text-align: left;
  }

  .management-page-warning {
    margin-top: 0;
  }

  .management-state {
    display: grid;
    gap: 1.2rem;
    padding: clamp(1rem, 3vw, 1.4rem);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.045), transparent 55%),
      var(--control);
  }

  .management-state h2 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    letter-spacing: -0.025em;
  }

  .management-state h3 {
    font-size: 1rem;
  }

  .management-state p {
    margin-top: 0.5rem;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.55;
  }

  .management-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .management-summary > div {
    display: grid;
    gap: 0.35rem;
    min-width: 0;
    padding: 0.9rem 1rem;
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    background: var(--surface-strong);
  }

  .management-summary dt {
    color: var(--faint);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .management-summary dd {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 680;
    overflow-wrap: anywhere;
  }

  .management-confirmation {
    display: grid;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid color-mix(in oklch, var(--danger) 46%, var(--line));
    border-radius: 0.9rem;
    background: color-mix(in oklch, var(--danger) 8%, var(--surface-strong));
  }

  .management-confirmation-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .share-panel {
    display: grid;
    gap: 0.9rem;
    width: 100%;
    margin-top: 1.5rem;
    text-align: left;
  }

  .share-layout {
    display: grid;
    grid-template-columns: minmax(15rem, 19rem) minmax(0, 1fr);
    gap: clamp(1.25rem, 4vw, 2.5rem);
    align-items: center;
    padding: clamp(1rem, 3vw, 1.5rem);
    border: 1px solid var(--line);
    border-radius: 1.2rem;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.055), transparent 55%),
      var(--control);
  }

  .qr-card {
    display: grid;
    gap: 0.8rem;
    justify-items: center;
    min-width: 0;
    text-align: center;
  }

  .qr-frame {
    width: min(100%, 18rem);
    padding: 0.65rem;
    border-radius: 1rem;
    background: #fff;
    box-shadow:
      0 1rem 2.6rem rgb(0 0 0 / 0.22),
      0 0 0 1px rgb(0 0 0 / 0.08);
  }

  .recipient-qr {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: pixelated;
  }

  .qr-card figcaption {
    max-width: 32ch;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.5;
  }

  .qr-error {
    margin: 0;
  }

  .share-controls {
    display: grid;
    gap: 0.85rem;
    min-width: 0;
  }

  .share-mode-segmented {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .share-item {
    display: grid;
    align-content: start;
    gap: 0.9rem;
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background:
      linear-gradient(145deg, rgb(255 255 255 / 0.045), transparent 55%),
      var(--control);
  }

  .share-heading {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: start;
  }

  .share-label {
    font-size: 0.82rem;
    font-weight: 760;
  }

  .copy-button {
    display: inline-flex;
    flex: 0 0 auto;
    gap: 0.35rem;
    align-items: center;
    min-height: 2rem;
    min-width: 6.25rem;
    padding: 0.35rem 0.55rem;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    background: var(--surface-strong);
    font-size: 0.72rem;
    font-weight: 720;
  }

  .copy-button:hover {
    color: var(--text);
  }

  .copy-button.is-copied {
    color: color-mix(in oklch, var(--accent) 72%, var(--text));
    border-color: color-mix(in oklch, var(--accent) 42%, var(--line));
  }

  .copy-button .ui-icon {
    width: 0.92rem;
    height: 0.92rem;
  }

  .secret-value {
    display: block;
    min-width: 0;
    color: var(--text);
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 0.84rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
    user-select: all;
  }

  .read-code {
    color: color-mix(in oklch, var(--accent) 75%, var(--text));
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    font-weight: 720;
    letter-spacing: 0.025em;
  }

  .destroy-code {
    color: color-mix(in oklch, var(--danger) 62%, var(--text));
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 720;
    letter-spacing: 0.025em;
  }

  .destroy-access {
    border-color: color-mix(in oklch, var(--danger) 30%, var(--line));
  }

  .separate-access {
    background: color-mix(in oklch, var(--surface-strong) 74%, transparent);
  }

  .empty-state {
    padding: 1.4rem;
    color: var(--muted);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-small);
    text-align: center;
  }

  .note-list {
    display: grid;
    gap: 0.7rem;
    padding: 0;
    list-style: none;
  }

  .note-list:empty {
    display: none;
  }

  .my-note-item {
    display: grid;
  }

  .my-note-link {
    display: grid;
    grid-template-columns: minmax(7rem, 1fr) minmax(15rem, 22rem);
    gap: 1rem;
    align-items: center;
    width: 100%;
    padding: 1rem;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    background: var(--control);
    text-decoration: none;
  }

  .my-note-link:hover {
    border-color: var(--line-strong);
    background: var(--surface-strong);
  }

  .my-note-summary {
    display: grid;
    gap: 0.35rem;
    align-content: start;
    justify-items: start;
    min-width: 0;
    min-height: calc(2 * 0.78rem * 1.4 + 0.35rem);
  }

  .my-note-details {
    display: flex;
    gap: 0.25rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    min-width: 0;
  }

  .my-note-locator {
    width: fit-content;
    color: color-mix(in oklch, var(--accent) 78%, var(--text));
    font: 700 0.9rem/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.06em;
  }

  .my-note-availability,
  .my-note-lifecycle,
  .my-note-expiry {
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.4;
  }

  .my-note-availability {
    color: var(--faint);
    font-weight: 680;
  }

  .my-note-availability[data-state="available"] {
    color: color-mix(in oklch, var(--accent) 66%, var(--text));
  }

  .my-note-availability[data-state="unavailable"],
  .my-note-availability[data-state="error"] {
    color: color-mix(in oklch, var(--danger) 58%, var(--muted));
  }

  .opened-delete-confirmation {
    width: 100%;
    margin-top: 1rem;
    text-align: left;
  }

  .opened-delete-confirmation h2 {
    font-size: 1rem;
  }

  .opened-delete-confirmation p {
    margin-top: 0.45rem;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.5;
  }

  .result-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    margin-top: 1.45rem;
  }

  .result-actions .button:only-child {
    grid-column: 1 / -1;
  }

  @keyframes busy-pulse {
    from {
      transform: translateX(-0.1rem);
      opacity: 0.55;
    }

    to {
      transform: translateX(0.1rem);
      opacity: 1;
    }
  }
}

@layer responsive {
  @media (max-width: 720px) {
    .brand span:last-child {
      display: none;
    }

    .panel {
      backdrop-filter: blur(22px) saturate(125%);
    }

    .top-nav {
      backdrop-filter: blur(20px) saturate(145%);
    }

    main {
      padding-block: 0.7rem 3rem;
    }

    .share-layout {
      grid-template-columns: 1fr;
    }

    .share-controls {
      justify-self: center;
      width: min(24rem, 100%);
    }
  }

  @media (max-width: 560px) {
    :root {
      --page: min(100% - 1rem, 74rem);
      --radius: 1.15rem;
    }

    .panel-head {
      padding: 1.25rem;
    }

    .panel-head h1 {
      font-size: 2.25rem;
    }

    .privacy-mark {
      display: none;
    }

    .form-body {
      padding: 1rem;
    }

    .duration-config {
      grid-template-columns: 1fr;
    }

    .segmented span {
      padding-inline: 0.3rem;
      font-size: 0.75rem;
    }

    .result-actions,
    .management-summary,
    .management-confirmation-actions {
      grid-template-columns: 1fr;
    }

    .code-preview,
    .word-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .result-actions .button:only-child {
      grid-column: auto;
    }

    .share-heading {
      align-items: center;
    }

    .my-note-link {
      grid-template-columns: 1fr;
    }

    .my-note-details {
      justify-content: flex-start;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
  }
}