/* ==========================================================================
   Codex Helper - Knolling Pastel Flat Lay Design System
   Source: design.md
   - Style: Organized, Flat Lay, Clean 90° Alignment, Pastel Restraint, Matte Stock
   - Palette: Primary #F6D0D6 (Pastel Pink), Secondary #2D2D2D (Charcoal),
              Tertiary #CBE4F0 (Pastel Blue), Neutral #D0F0C0 (Soft Mint),
              Surface #E6E6FA (Lavender), Border #00000020
   - Typography: Lato, JetBrains Mono, 12px Base Corner Radius
   ========================================================================== */

:root {
  font-family:
    Lato,
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  color-scheme: light;
  scrollbar-gutter: stable;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Knolling Pastel Palette */
  --pastel-pink: #f6d0d6;
  --pastel-blue: #cbe4f0;
  --pastel-mint: #d0f0c0;
  --pastel-lavender: #e6e6fa;
  --charcoal: #2d2d2d;

  --bg: #f7d9df;
  --bg-gradient: linear-gradient(
    135deg,
    #f6d0d6 0%,
    #f8dfe3 40%,
    #ebe6f7 75%,
    #dbebf5 100%
  );
  --panel: #ffffff;
  --panel-secondary: #faf7fa;
  --text: #2d2d2d;
  --muted: #6e6978;
  --border: rgba(45, 45, 45, 0.12);
  --border-strong: rgba(45, 45, 45, 0.22);
  --accent: #357a9f;
  --accent-btn: #cbe4f0;
  --accent-btn-hover: #b4dced;
  --accent-btn-text: #2d2d2d;
  --track: #eee5ea;
  --grid: rgba(45, 45, 45, 0.08);
  --danger: #d93d54;
  --danger-bg: #fde8ec;
  --danger-border: #f8abb6;
  --green: #218c57;
  --green-bg: #e6f7e2;
  --green-border: #b8e6b0;

  /* Elevation: Soft Natural Flat Lay Drop Shadows */
  --shadow-sm:
    0 1px 3px rgba(45, 45, 45, 0.06), 0 1px 2px rgba(45, 45, 45, 0.04);
  --shadow-md:
    0 3px 12px rgba(45, 45, 45, 0.06), 0 1px 3px rgba(45, 45, 45, 0.04);
  --shadow-lg:
    0 8px 24px rgba(45, 45, 45, 0.08), 0 2px 6px rgba(45, 45, 45, 0.04);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

html[data-theme="dark"] {
  color-scheme: dark;

  /* Knolling Dark Charcoal & Pastel Tone */
  --bg: #1c1822;
  --bg-gradient: linear-gradient(135deg, #1c1822 0%, #25202e 50%, #1e222a 100%);
  --panel: #272230;
  --panel-secondary: #2f2a3a;
  --text: #f5f2f8;
  --muted: #a19ba9;
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.22);
  --accent: #6db6dd;
  --accent-btn: #354e63;
  --accent-btn-hover: #405c75;
  --accent-btn-text: #f5f2f8;
  --track: #352f42;
  --grid: rgba(255, 255, 255, 0.08);
  --danger: #f2687c;
  --danger-bg: rgba(242, 104, 124, 0.16);
  --danger-border: rgba(242, 104, 124, 0.35);
  --green: #40d492;
  --green-bg: rgba(64, 212, 146, 0.16);
  --green-border: rgba(64, 212, 146, 0.35);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
}

button,
input,
select {
  font: inherit;
  letter-spacing: inherit;
}

.center {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-content: center;
  gap: 24px;
}

/* Spinner Animation */
.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--track);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  margin: auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Brand & Logo - Clean 90° Alignment */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  user-select: none;
}

.logo svg {
  color: var(--accent);
  width: 22px;
  height: 22px;
}

.brand-name {
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.02em;
}

.version-badge {
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
  background: var(--pastel-lavender);
  box-shadow: var(--shadow-sm);
}

html[data-theme="dark"] .version-badge {
  background: var(--panel-secondary);
}

/* Setup Page - Knolling Hero & Flat Lay Form */
.setup {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 8vw;
  padding: 7vw;
}

.setup-mobile-brand {
  display: none;
}

.hero h1 {
  font-size: clamp(38px, 4.5vw, 68px);
  line-height: 1.12;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin: 20px 0 16px;
  color: var(--text);
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  max-width: 480px;
  line-height: 1.6;
}

/* Panels & Cards - Matte Paper Surfaces */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

/* Forms */
.form {
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.form small,
.hint,
.form p {
  color: var(--muted);
}

.hint {
  font-size: 13px;
  line-height: 1.5;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  font-weight: 550;
  color: var(--muted);
}

input,
select {
  border: 1px solid var(--border);
  background: var(--panel-secondary);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  outline: none;
  font-size: 14px;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

input:hover,
select:hover {
  border-color: var(--border-strong);
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-btn);
  background: var(--panel);
}

/* Buttons - Knolling Flat Lay Style (Moderately rounded 12px, Accent fill, No outer glows) */
button {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 11px 18px;
  background: var(--accent-btn);
  color: var(--accent-btn-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.15s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease,
    border-color 0.2s ease;
}

button:hover:not(:disabled) {
  background: var(--accent-btn-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

button:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

button svg {
  width: 17px;
  height: 17px;
}

/* Secondary Button - Outline Variant with muted border */
.secondary {
  background: var(--panel);
  border: 1.5px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.secondary:hover:not(:disabled) {
  background: var(--pastel-lavender);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: var(--shadow-md);
}

html[data-theme="dark"] .secondary:hover:not(:disabled) {
  background: var(--panel-secondary);
}

/* Danger Button */
.danger {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  box-shadow: var(--shadow-sm);
}

.danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--danger-bg) 80%, var(--danger));
  border-color: var(--danger);
  color: var(--danger);
  box-shadow: var(--shadow-md);
}

.icon {
  padding: 10px;
}

/* Login Page */
.login {
  width: min(420px, 90vw);
  position: relative;
  box-shadow: var(--shadow-lg);
}

.github-link {
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.github-link:hover {
  background: var(--track);
  color: var(--text);
}

.github-link svg {
  width: 17px;
  height: 17px;
}

.login-github {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 9px;
}

.login-github span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

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

/* App Shell Layout */
.app {
  display: grid;
  grid-template-columns: 236px 1fr;
  min-height: 100vh;
  min-height: 100dvh;
}

.public-app {
  min-height: 100vh;
  min-height: 100dvh;
}

.public-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto 0;
  padding: 22px 40px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 90%, var(--bg));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.public-header button {
  white-space: nowrap;
}

.public-content {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 38px 40px;
}

.public-login-link {
  margin: -4px 0 0;
  text-align: center;
}

.mobile-topbar,
.mobile-bottom-nav {
  display: none;
}

/* Sidebar Navigation */
aside {
  border-right: 1px solid var(--border);
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  background: color-mix(in srgb, var(--panel) 88%, var(--bg));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}

aside .logo {
  padding: 0 10px 28px;
}

aside .logo svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

aside button,
.tabs button {
  justify-content: flex-start;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  box-shadow: none;
  font-weight: 550;
  padding: 10px 14px;
  border-radius: var(--radius-md);
}

aside button:hover,
.aside-bottom a:hover,
.tabs button:hover {
  background: color-mix(in srgb, var(--track) 70%, transparent);
  color: var(--text);
  transform: none;
  box-shadow: none;
}

aside nav button.active,
.tabs button.active {
  background: var(--accent-btn);
  color: var(--accent-btn-text);
  border: 1px solid var(--border-strong);
  font-weight: 650;
  transform: none;
  box-shadow: var(--shadow-sm);
}

aside nav button.active svg,
.tabs button.active svg {
  color: var(--text);
}

.aside-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

/* Content Area */
.content {
  padding: 38px 40px;
  max-width: 1400px;
  width: 100%;
  margin: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
}

header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.035em;
}

header p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.header-actions {
  display: flex;
  gap: 10px;
}

/* Account Overview Cards - Knolling Flat Lay Composition */
.account-overview-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.account-overview {
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.account-overview:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.account-summary-toggle {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto minmax(280px, 1.5fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--text);
  text-align: left;
  border: 0;
  box-shadow: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.account-summary-toggle:hover {
  background: color-mix(in srgb, var(--track) 60%, transparent);
  transform: none;
  box-shadow: none;
}

.account-summary-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  background: color-mix(in srgb, var(--track) 60%, transparent);
}

.account-summary-identity {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.account-summary-identity strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.account-summary-identity span,
.account-summary-metrics {
  color: var(--muted);
  font-size: 13px;
}

.account-summary-identity span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-summary-plan {
  justify-self: start;
  white-space: nowrap;
}

.account-summary-metrics {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px 14px;
  min-width: 0;
}

.account-summary-metrics span {
  white-space: nowrap;
}

.account-summary-limits {
  display: grid;
  justify-content: end;
  gap: 8px;
  width: 100%;
}

.account-summary-limits.single {
  justify-content: center;
}

.account-summary-limit {
  display: grid;
  grid-template-columns: minmax(76px, auto) 42px 28px minmax(92px, auto);
  align-items: baseline;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--panel-secondary);
  border: 1px solid var(--border);
}

.account-summary-limit-name {
  color: var(--text);
  font-weight: 650;
  font-size: 13px;
}

.account-summary-limit strong {
  font-size: 15px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

.account-summary-limit-remaining {
  font-size: 12px;
  color: var(--muted);
}

.account-summary-limit-reset {
  padding-left: 10px;
  border-left: 1px solid var(--border);
  text-align: left;
  font-size: 12px;
  color: var(--muted);
}

.account-chevron {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--muted);
  transition:
    transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.2s ease;
}

.account-summary-toggle:hover .account-chevron {
  color: var(--text);
}

.account-overview.expanded .account-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

/* Account Detail Section */
.account-detail {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0 24px 24px;
  border-top: 1px solid var(--border);
  animation: accountDetailExpand 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes accountDetailExpand {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.account-detail-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
}

.account-detail-title,
.account-detail-actions,
.limit-heading,
.stat-label {
  display: flex;
  align-items: center;
}

.account-detail-title {
  gap: 12px;
}

.account-detail-title > svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.account-detail-title small,
.account-info-item small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 550;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.account-detail-title h2 {
  margin: 2px 0 0;
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.account-detail-actions {
  justify-content: flex-end;
  gap: 12px;
}

.account-detail-actions .fresh {
  margin-left: 0;
}

.account-detail-alert {
  padding: 12px 16px;
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-md);
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 14px;
}

.cycle-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--pastel-blue);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}

html[data-theme="dark"] .cycle-note {
  background: var(--panel-secondary);
}

.cycle-note svg {
  flex: none;
  width: 17px;
  height: 17px;
  margin-top: 2px;
  color: var(--accent);
}

.account-info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.account-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--panel-secondary);
  border: 1px solid var(--border);
}

.account-info-item > svg {
  flex: none;
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.account-info-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.account-info-item b {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 650;
}

/* Reset Credits - Knolling Lavender Banner */
.reset-credits {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--pastel-lavender);
  box-shadow: var(--shadow-sm);
  color: var(--text);
}

html[data-theme="dark"] .reset-credits {
  background: var(--panel-secondary);
}

.reset-credits > svg {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.reset-credits-main,
.reset-credits-expiry {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.reset-credits-main small,
.reset-credits-expiry small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 550;
}

.reset-credits-main b,
.reset-credits-expiry b {
  font-size: 13px;
  font-weight: 700;
}

.reset-credits-expiry {
  margin-left: auto;
  text-align: right;
}

.reset-credits-expiry b {
  overflow-wrap: anywhere;
}

.account-detail-state {
  display: flex;
  min-height: 170px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--muted);
  text-align: center;
}

.account-detail-state .spinner {
  width: 28px;
  height: 28px;
}

.account-detail-state p {
  margin: 0;
}

.account {
  padding: 20px 24px;
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.account div {
  display: flex;
  flex-direction: column;
}

.account small,
.limit small,
.stat small,
.chart small {
  color: var(--muted);
}

/* Status Indicator Dot */
.dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 25%, transparent);
  transition: all 0.2s ease;
}

.dot.ok {
  background: var(--green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 25%, transparent);
}

.badge {
  background: var(--pastel-mint);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

html[data-theme="dark"] .badge {
  background: var(--green-bg);
}

.fresh {
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
}

/* Limit Cards - Flat Lay Objects */
.limits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 16px;
}

.limit {
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
}

.limit > small {
  grid-column: 1/-1;
}

.limit-heading {
  grid-column: 1/-1;
  gap: 7px;
  font-weight: 650;
}

.limit-heading svg,
.stat-label svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
}

.stat-label {
  gap: 7px;
  font-weight: 600;
}

.remaining strong {
  display: block;
  font-size: 46px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  font-weight: 850;
  letter-spacing: -0.04em;
  color: var(--green);
}

.remaining strong i {
  font-size: 20px;
  font-style: normal;
  font-weight: 650;
  margin-left: 2px;
}

.remaining span,
.reset span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
}

.reset {
  text-align: right;
}

.reset b {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-top: 6px;
}

/* Limit Bar */
.bar {
  grid-column: 1/-1;
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--track);
}

.bar i {
  background: color-mix(in srgb, var(--muted) 35%, var(--track));
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.bar em {
  background: var(--green);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.green {
  color: var(--green);
}

/* Statistics Grid */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 10px 0;
}

.stat {
  padding: 18px 20px;
}

.stat b {
  display: block;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
  margin-top: 8px;
}

.chart {
  padding: 24px;
  min-width: 0;
}

.chart h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.banner {
  padding: 13px 16px;
  border: 1px solid var(--danger-border);
  background: var(--danger-bg);
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  color: var(--danger);
  font-weight: 550;
  font-size: 14px;
}

.empty {
  padding: 34px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* Settings Layout */
.settings {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.settings-content {
  display: grid;
  width: 100%;
  max-width: 960px;
  min-width: 0;
  min-height: 640px;
}

.settings-panel {
  grid-area: 1 / 1;
  min-width: 0;
  visibility: hidden;
  pointer-events: none;
}

.settings-panel.active {
  visibility: visible;
  pointer-events: auto;
}

.tabs {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.wide {
  width: 100%;
  max-width: 960px;
  min-height: 480px;
}

.settings-loading {
  display: grid;
  place-content: center;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.checks {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.checks input {
  width: auto;
  accent-color: var(--accent);
  cursor: pointer;
}

.fixed-setting {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.fixed-setting b {
  border: 1px solid var(--border);
  background: var(--panel-secondary);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-weight: 550;
  font-size: 14px;
}

.actions {
  display: flex;
  gap: 10px;
}

/* Device Code Box - Knolling Monospace Frame */
.codebox {
  grid-column: 1 / -1;
  padding: 16px 20px;
  border: 1.5px dashed var(--accent);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: var(--pastel-blue);
  overflow-wrap: anywhere;
  box-shadow: var(--shadow-sm);
}

html[data-theme="dark"] .codebox {
  background: var(--panel-secondary);
}

.codebox strong {
  font-family:
    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    monospace;
  font-size: 24px;
  letter-spacing: 0.1em;
  color: var(--text);
  white-space: nowrap;
  font-weight: 750;
  background: var(--panel);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.codex-settings {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.codex-heading h2,
.add-account-card h3 {
  margin: 0;
}

.codex-heading h2 {
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.codex-heading p,
.add-account-card p {
  color: var(--muted);
  margin: 7px 0 0;
  font-size: 14px;
}

.add-account-card {
  padding: 22px 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.add-account-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.add-account-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: end;
  gap: 10px;
}

.add-account-controls label {
  flex: 1 1 220px;
  min-width: 220px;
}

.add-account-controls .checks {
  flex: 0 1 auto;
  min-width: 0;
}

.add-account-controls button {
  min-height: 43px;
  white-space: nowrap;
}

.account-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.account-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px 28px;
  padding: 22px 24px;
}

.account-card-main {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
}

.account-card-main .dot {
  margin-top: 14px;
}

.account-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.account-details input {
  width: 100%;
  max-width: 360px;
  padding: 9px 12px;
  font-weight: 700;
  font-size: 16px;
}

.account-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  color: var(--muted);
  font-size: 13px;
}

.account-meta span + span {
  position: relative;
}

.account-meta span + span::before {
  content: "·";
  position: absolute;
  left: -10px;
  color: var(--border);
}

.account-card-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  min-width: 285px;
}

.account-card-actions > label:not(.checks) input,
.account-card-actions > label:not(.checks) select {
  width: 100%;
}

.account-buttons {
  display: flex;
  gap: 8px;
}

.account-buttons .secondary:first-child {
  flex: 1;
}

.account-empty {
  padding: 44px 24px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
}

/* Responsive & Mobile Layout */
@media (max-width: 800px) {
  :root {
    scrollbar-gutter: auto;
  }
  body {
    overflow-wrap: anywhere;
  }
  .setup {
    grid-template-columns: 1fr;
    align-items: center;
    padding: max(20px, env(safe-area-inset-top)) 16px
      max(20px, env(safe-area-inset-bottom));
  }
  .hero {
    display: none;
  }
  .setup-mobile-brand {
    display: block;
    margin-bottom: 4px;
  }
  .app {
    display: block;
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }
  aside {
    display: none;
  }
  .mobile-topbar {
    position: sticky;
    z-index: 20;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: calc(58px + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) 12px 0 16px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 92%, var(--bg));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .mobile-topbar .logo {
    min-width: 0;
    gap: 7px;
  }
  .mobile-topbar .logo svg {
    flex: none;
  }
  .mobile-menu {
    position: relative;
    flex: none;
  }
  .mobile-menu-trigger {
    width: 44px;
    height: 44px;
    padding: 0;
  }
  .mobile-menu-popover {
    position: absolute;
    z-index: 30;
    top: calc(100% + 8px);
    right: 0;
    display: flex;
    flex-direction: column;
    width: min(230px, calc(100vw - 24px));
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--panel);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: popoverFade 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }
  @keyframes popoverFade {
    from {
      opacity: 0;
      transform: scale(0.96) translateY(-4px);
    }
    to {
      opacity: 1;
      transform: scale(1) translateY(0);
    }
  }
  .mobile-menu-popover button,
  .mobile-menu-popover .github-link {
    min-height: 44px;
    justify-content: flex-start;
    background: transparent;
    color: var(--text);
  }
  .mobile-bottom-nav {
    position: fixed;
    z-index: 20;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: 6px max(12px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--panel) 94%, var(--bg));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 -2px 12px rgba(45, 45, 45, 0.05);
  }
  .mobile-bottom-nav button {
    min-height: 52px;
    flex-direction: column;
    gap: 2px;
    padding: 5px;
    background: transparent;
    color: var(--muted);
    font-size: 12px;
    border-radius: var(--radius-sm);
    box-shadow: none;
    border: 1px solid transparent;
  }
  .mobile-bottom-nav button.active {
    color: var(--text);
    background: var(--accent-btn);
    border-color: var(--border-strong);
  }
  .mobile-bottom-nav svg {
    height: 21px;
    width: 21px;
  }
  .content {
    padding: 22px max(14px, env(safe-area-inset-right)) 24px
      max(14px, env(safe-area-inset-left));
  }
  .public-header {
    min-height: calc(58px + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) 12px 0 16px;
  }
  .public-header .logo {
    min-width: 0;
    gap: 7px;
  }
  .public-header .logo svg {
    flex: none;
  }
  .public-content {
    padding: 22px max(14px, env(safe-area-inset-right)) 24px
      max(14px, env(safe-area-inset-left));
  }
  header {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
  }
  header h1 {
    font-size: 27px;
  }
  .header-actions {
    flex-direction: column;
  }
  .account-summary-toggle {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px 12px;
    padding: 18px;
  }
  .account-summary-identity {
    grid-column: 2;
    grid-row: 1;
  }
  .account-summary-plan {
    grid-column: 2;
    grid-row: 2;
  }
  .account-summary-metrics {
    grid-column: 2 / -1;
    grid-row: 3;
    justify-content: flex-start;
    gap: 6px 12px;
  }
  .account-summary-limits {
    justify-content: stretch;
  }
  .account-summary-limits.single {
    justify-content: center;
  }
  .account-summary-limit {
    grid-template-columns: auto auto auto minmax(0, 1fr);
    gap: 4px;
  }
  .account-summary-limit-reset {
    overflow: hidden;
    padding-left: 6px;
    text-overflow: ellipsis;
  }
  .account-chevron {
    grid-column: 3;
    grid-row: 1;
  }
  .account-detail {
    padding: 0 18px 18px;
  }
  .account-detail-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }
  .account-detail-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .account-detail-actions .fresh {
    display: block;
  }
  .account-info-grid {
    grid-template-columns: 1fr 1fr;
  }
  .reset-credits {
    align-items: flex-start;
  }
  .reset-credits-expiry {
    margin-left: 0;
    text-align: left;
  }
  .account {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 18px;
  }
  .account div,
  .account b {
    min-width: 0;
  }
  .fresh {
    display: block;
    grid-column: 2 / -1;
    margin-left: 0;
  }
  .limits {
    grid-template-columns: minmax(0, 1fr);
  }
  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .stat {
    padding: 16px;
  }
  .stat b {
    font-size: 21px;
  }
  .chart {
    padding: 18px 8px 14px;
  }
  .chart h3 {
    margin-left: 10px;
  }
  .settings {
    grid-template-columns: 1fr;
  }
  .settings-content {
    min-height: 900px;
  }
  .tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .tabs button {
    min-height: 46px;
    justify-content: center;
  }
  .grid2 {
    grid-template-columns: 1fr;
  }
  .add-account-card,
  .add-account-controls {
    align-items: stretch;
    flex-direction: column;
  }
  .add-account-controls label {
    min-width: 0;
  }
  .account-card {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .account-card-actions {
    min-width: 0;
  }
  .account-buttons button {
    flex: 1;
    min-width: 0;
  }
  .account-buttons .icon {
    flex: none;
  }
  .codebox {
    flex-direction: column;
    align-items: flex-start;
  }
  .codebox strong {
    max-width: 100%;
    font-size: 20px;
    white-space: normal;
  }
  .actions {
    flex-wrap: wrap;
  }
  .actions button {
    min-height: 44px;
    flex: 1 1 140px;
  }
  .form {
    padding: 22px 18px;
  }
  input,
  select {
    min-height: 44px;
    font-size: 16px;
  }
  button,
  .github-link {
    min-height: 44px;
  }
  .checks {
    min-height: 44px;
    flex-wrap: wrap;
  }
  .checks input {
    min-height: 22px;
    min-width: 22px;
  }
  .limit {
    grid-template-columns: 1fr;
  }
  .reset {
    text-align: left;
  }
  .limit > small,
  .bar {
    grid-column: 1;
  }
}

@media (max-width: 359px) {
  .brand-name {
    font-size: 14px;
  }
  .mobile-topbar .version-badge {
    max-width: 76px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .account-info-grid {
    grid-template-columns: 1fr;
  }
  .account {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .account .badge {
    grid-column: 2;
    justify-self: start;
  }
  .account-buttons {
    flex-wrap: wrap;
  }
  .account-buttons .icon {
    flex: 0 0 44px;
  }
}

@media (max-width: 800px) and (orientation: landscape) and (max-height: 500px) {
  .center,
  .setup {
    place-content: start center;
    align-items: start;
  }
  .login,
  .setup .form {
    margin: 16px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}