/* Theme tokens: light defaults with dark overrides below. */
:root {
  color-scheme: light;
  --bg: #edf1f7;
  --bg-top: #f9fbff;
  --bg-gradient: radial-gradient(circle at top, var(--bg-top) 0%, var(--bg) 45%);
  --bg-glow-1: rgba(58, 109, 255, 0.12);
  --bg-glow-2: rgba(20, 184, 166, 0.12);
  --bg-glow-3: rgba(99, 102, 241, 0.1);
  --bg-overlay: linear-gradient(180deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0) 60%);
  --card: #ffffff;
  --card-glass: rgba(255, 255, 255, 0.82);
  --card-sheen-start: rgba(255, 255, 255, 0.7);
  --card-sheen-end: rgba(255, 255, 255, 0);
  --text: #111827;
  --text-strong: #243049;
  --muted: #5b6478;
  --text-inverse: #ffffff;
  --border: rgba(15, 23, 42, 0.14);
  --border-strong: rgba(15, 23, 42, 0.28);
  --border-subtle: rgba(15, 23, 42, 0.12);
  --border-card: rgba(15, 23, 42, 0.1);
  --border-dashed: rgba(15, 23, 42, 0.28);
  --border-locked: rgba(15, 23, 42, 0.2);
  --field-bg: #f1f4ff;
  --field-bg-hover: #e6ecff;
  --field-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.06);
  --field-hover-border: rgba(31, 75, 209, 0.35);
  --focus-shadow: 0 8px 16px rgba(31, 75, 209, 0.12);
  --accent: #3a6dff;
  --accent-strong: #1f4bd1;
  --accent-soft: rgba(58, 109, 255, 0.18);
  --accent-glow: rgba(58, 109, 255, 0.28);
  --accent-ring: rgba(58, 109, 255, 0.22);
  --hero-bg-start: rgba(255, 255, 255, 0.95);
  --hero-bg-end: rgba(248, 250, 255, 0.9);
  --hero-bg: linear-gradient(135deg, var(--hero-bg-start), var(--hero-bg-end));
  --hero-border: rgba(15, 23, 42, 0.12);
  --section-bg-start: #ffffff;
  --section-bg-end: #f7f9ff;
  --section-bg: linear-gradient(180deg, var(--section-bg-start) 0%, var(--section-bg-end) 100%);
  --locked-bg-start: #f9fafc;
  --locked-bg-end: #f1f4fb;
  --locked-bg: linear-gradient(180deg, var(--locked-bg-start) 0%, var(--locked-bg-end) 100%);
  --locked-text: #2c3449;
  --locked-subtext: rgba(44, 52, 73, 0.72);
  --locked-tag-text: rgba(15, 23, 42, 0.45);
  --locked-tag-border: rgba(15, 23, 42, 0.18);
  --locked-tag-bg: rgba(255, 255, 255, 0.7);
  --locked-icon: rgba(15, 23, 42, 0.45);
  --locked-hover-bg: #eef2fb;
  --locked-hover-text: #384055;
  --locked-hover-border: rgba(15, 23, 42, 0.38);
  --notice-bg: #f6f8fe;
  --notice-border: rgba(15, 23, 42, 0.12);
  --extra-bg-start: #ffffff;
  --extra-bg-end: #f6f8fe;
  --extra-bg: linear-gradient(180deg, var(--extra-bg-start) 0%, var(--extra-bg-end) 100%);
  --extra-hover-bg: #f2f5ff;
  --extra-hover-shadow: 0 16px 28px rgba(19, 32, 68, 0.14);
  --breakdown-bg-start: #f5f7ff;
  --breakdown-bg-end: #eef2fb;
  --breakdown-bg: linear-gradient(180deg, var(--breakdown-bg-start) 0%, var(--breakdown-bg-end) 100%);
  --callout-bg-start: #ffffff;
  --callout-bg-end: #f7f9ff;
  --callout-bg: linear-gradient(180deg, var(--callout-bg-start) 0%, var(--callout-bg-end) 100%);
  --total-bg: linear-gradient(135deg, #0f1f3a 0%, #142c54 45%, #1a3b74 100%);
  --total-border: rgba(255, 255, 255, 0.12);
  --total-shadow: 0 20px 40px rgba(12, 24, 48, 0.3);
  --summary-note: rgba(255, 255, 255, 0.75);
  --btn-secondary-bg: rgba(255, 255, 255, 0.96);
  --btn-secondary-border: rgba(15, 23, 42, 0.22);
  --btn-secondary-shadow: 0 8px 18px rgba(15, 23, 42, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  --btn-secondary-hover-bg: #eef2ff;
  --btn-secondary-hover-text: #1f2b45;
  --btn-secondary-hover-border: rgba(31, 75, 209, 0.35);
  --btn-tertiary-hover-bg: rgba(232, 238, 252, 0.5);
  --btn-tertiary-hover-text: #2a3550;
  --btn-share-bg: #1f7a5c;
  --btn-share-border: #1a6a50;
  --btn-share-text: #f4fdf9;
  --btn-share-shadow: 0 12px 22px rgba(16, 84, 62, 0.28);
  --btn-share-hover-bg: #1a6b50;
  --btn-share-hover-border: #155843;
  --btn-share-active-bg: #165a44;
  --btn-share-active-border: #124b38;
  --btn-share-ring: rgba(31, 122, 92, 0.45);
  --btn-pdf-bg: #1f2937;
  --btn-pdf-border: #111827;
  --btn-pdf-text: #f8fafc;
  --btn-pdf-shadow: 0 12px 22px rgba(15, 23, 42, 0.35);
  --btn-pdf-hover-bg: #18212e;
  --btn-pdf-hover-border: #0b1220;
  --btn-pdf-active-bg: #111827;
  --btn-pdf-active-border: #0b111d;
  --btn-pdf-ring: rgba(15, 23, 42, 0.45);
  --theme-toggle-bg: rgba(255, 255, 255, 0.86);
  --theme-toggle-border: rgba(15, 23, 42, 0.18);
  --theme-toggle-shadow: 0 10px 22px rgba(15, 23, 42, 0.1);
  --theme-toggle-track: rgba(15, 23, 42, 0.1);
  --theme-toggle-thumb: #ffffff;
  --theme-toggle-text: #2a3550;
  --theme-toggle-glow: rgba(58, 109, 255, 0.16);
  --shadow: 0 32px 70px rgba(15, 23, 42, 0.16);
  --shadow-soft: 0 18px 48px rgba(15, 23, 42, 0.1);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --control-height: 50px;
  --control-padding-x: 14px;
  --control-line-height: 1.2;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --transition-base: 0.45s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.75s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-entrance: 1.6s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-theme: 0.25s ease;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b101a;
  --bg-top: #141a28;
  --bg-glow-1: rgba(109, 147, 255, 0.22);
  --bg-glow-2: rgba(45, 212, 191, 0.12);
  --bg-glow-3: rgba(129, 140, 248, 0.16);
  --bg-overlay: linear-gradient(180deg, rgba(7, 10, 20, 0.7) 0%, rgba(7, 10, 20, 0) 60%);
  --card: #121826;
  --card-glass: rgba(18, 24, 38, 0.86);
  --card-sheen-start: rgba(255, 255, 255, 0.08);
  --card-sheen-end: rgba(255, 255, 255, 0);
  --text: #f4f6ff;
  --text-strong: #e3e9ff;
  --muted: #a9b3c8;
  --text-inverse: #f9fbff;
  --border: rgba(148, 163, 184, 0.2);
  --border-strong: rgba(148, 163, 184, 0.38);
  --border-subtle: rgba(148, 163, 184, 0.18);
  --border-card: rgba(148, 163, 184, 0.2);
  --border-dashed: rgba(148, 163, 184, 0.4);
  --border-locked: rgba(148, 163, 184, 0.3);
  --field-bg: #0e1422;
  --field-bg-hover: #141c2f;
  --field-shadow: inset 0 1px 2px rgba(5, 8, 18, 0.6);
  --field-hover-border: rgba(109, 147, 255, 0.5);
  --focus-shadow: 0 10px 18px rgba(15, 24, 45, 0.6);
  --accent: #6d93ff;
  --accent-strong: #8fb0ff;
  --accent-soft: rgba(109, 147, 255, 0.22);
  --accent-glow: rgba(109, 147, 255, 0.36);
  --accent-ring: rgba(109, 147, 255, 0.35);
  --hero-bg-start: rgba(18, 24, 38, 0.98);
  --hero-bg-end: rgba(14, 20, 34, 0.94);
  --hero-border: rgba(148, 163, 184, 0.3);
  --section-bg-start: #141b2b;
  --section-bg-end: #0f1626;
  --locked-bg-start: #151c2c;
  --locked-bg-end: #101625;
  --locked-text: #e2e8f6;
  --locked-subtext: rgba(226, 232, 246, 0.7);
  --locked-tag-text: rgba(226, 232, 246, 0.65);
  --locked-tag-border: rgba(148, 163, 184, 0.3);
  --locked-tag-bg: rgba(15, 23, 42, 0.55);
  --locked-icon: rgba(226, 232, 246, 0.6);
  --locked-hover-bg: #1b2438;
  --locked-hover-text: #f3f6ff;
  --locked-hover-border: rgba(148, 163, 184, 0.5);
  --notice-bg: #121a2a;
  --notice-border: rgba(148, 163, 184, 0.2);
  --extra-bg-start: #151c2d;
  --extra-bg-end: #101827;
  --extra-hover-bg: #1b2438;
  --extra-hover-shadow: 0 16px 28px rgba(6, 10, 24, 0.45);
  --breakdown-bg-start: #12192a;
  --breakdown-bg-end: #0f1626;
  --callout-bg-start: #141b2b;
  --callout-bg-end: #0f1626;
  --total-bg: linear-gradient(135deg, #1a2743 0%, #1b335b 45%, #26467f 100%);
  --total-border: rgba(255, 255, 255, 0.2);
  --total-shadow: 0 20px 40px rgba(6, 12, 24, 0.6);
  --summary-note: rgba(230, 236, 255, 0.7);
  --btn-secondary-bg: rgba(24, 32, 50, 0.96);
  --btn-secondary-border: rgba(148, 163, 184, 0.4);
  --btn-secondary-shadow: 0 10px 22px rgba(4, 8, 20, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --btn-secondary-hover-bg: #1b243a;
  --btn-secondary-hover-text: #f4f7ff;
  --btn-secondary-hover-border: rgba(109, 147, 255, 0.55);
  --btn-tertiary-hover-bg: rgba(109, 147, 255, 0.12);
  --btn-tertiary-hover-text: #d3ddff;
  --btn-share-bg: #2f8f72;
  --btn-share-border: #37a082;
  --btn-share-text: #f1fff8;
  --btn-share-shadow: 0 14px 24px rgba(9, 34, 26, 0.55);
  --btn-share-hover-bg: #2a7f65;
  --btn-share-hover-border: #2c8c72;
  --btn-share-active-bg: #256f58;
  --btn-share-active-border: #22745b;
  --btn-share-ring: rgba(63, 197, 156, 0.5);
  --btn-pdf-bg: #2f3b52;
  --btn-pdf-border: #3c4a63;
  --btn-pdf-text: #f5f7ff;
  --btn-pdf-shadow: 0 14px 26px rgba(5, 10, 24, 0.6);
  --btn-pdf-hover-bg: #283347;
  --btn-pdf-hover-border: #4a5c7a;
  --btn-pdf-active-bg: #222c3e;
  --btn-pdf-active-border: #3c4c66;
  --btn-pdf-ring: rgba(148, 163, 184, 0.55);
  --theme-toggle-bg: rgba(17, 23, 37, 0.92);
  --theme-toggle-border: rgba(148, 163, 184, 0.32);
  --theme-toggle-shadow: 0 10px 22px rgba(5, 8, 18, 0.6);
  --theme-toggle-track: rgba(109, 147, 255, 0.2);
  --theme-toggle-thumb: #f8faff;
  --theme-toggle-text: #e4e9f7;
  --theme-toggle-glow: rgba(109, 147, 255, 0.32);
  --shadow: 0 32px 70px rgba(5, 10, 24, 0.55);
  --shadow-soft: 0 18px 48px rgba(5, 10, 24, 0.4);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-theme: 0ms;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg-gradient);
  min-height: 100vh;
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
  overflow-anchor: none;
  transition: background var(--transition-theme), color var(--transition-theme);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  background: radial-gradient(circle at 20% 20%, var(--bg-glow-1), transparent 55%),
    radial-gradient(circle at 80% 10%, var(--bg-glow-2), transparent 48%),
    radial-gradient(circle at 50% 80%, var(--bg-glow-3), transparent 55%);
  opacity: 0.9;
}

body::after {
  background: var(--bg-overlay);
}

.is-loading .stagger-item {
  opacity: 0;
  transform: translateY(24px);
}

.is-ready .stagger-item {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-entrance),
    transform var(--transition-entrance);
  transition-delay: var(--stagger-delay, 0ms);
}

.stagger-item {
  will-change: opacity, transform;
}

.is-loading .stagger-item,
.is-ready .stagger-item {
  pointer-events: none;
}

.is-ready .stagger-item {
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .is-loading .stagger-item,
  .is-ready .stagger-item {
    transform: none;
    transition: none;
  }

  .is-loading .stagger-item {
    opacity: 0;
  }

  .is-ready .stagger-item {
    opacity: 1;
    pointer-events: auto;
  }
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) 24px 64px;
  position: relative;
  z-index: 1;
}

.hero {
  margin-bottom: var(--space-4);
  background: var(--hero-bg);
  border-radius: calc(var(--radius-xl) + 4px);
  padding: var(--space-3);
  border: 1px solid var(--hero-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transition: background var(--transition-theme), border-color var(--transition-theme),
    box-shadow var(--transition-theme);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  color: var(--accent-strong);
  font-weight: 600;
  margin: 0 0 var(--space-1);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-1);
}

.subhead {
  max-width: 640px;
  color: var(--muted);
  margin: 0;
}

.layout {
  display: grid;
  gap: var(--space-3);
}

.utility-row {
  display: block;
  margin: 0 0 var(--space-3);
}

.utility-actions {
  display: grid;
  align-items: center;
  justify-items: center;
  gap: var(--space-2);
  width: 100%;
  grid-template-columns: minmax(0, 1fr);
}

.utility-row .locked-panel {
  width: min(420px, 100%);
  justify-self: center;
}

.utility-row .locked-entry {
  padding: 10px 12px;
  font-size: 0.92rem;
  background: var(--locked-bg);
  border-color: var(--border-locked);
}

.utility-row .locked-tag {
  font-size: 0.72rem;
}

.utility-row .locked-notice {
  font-size: 0.88rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  justify-self: center;
}

.theme-toggle-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--theme-toggle-border);
  background: var(--theme-toggle-bg);
  color: var(--theme-toggle-text);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: var(--theme-toggle-shadow);
  transition: background var(--transition-theme), border-color var(--transition-theme),
    color var(--transition-theme), box-shadow var(--transition-theme),
    transform var(--transition-slow);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
}

.theme-toggle-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.theme-toggle-track {
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--theme-toggle-track);
  display: inline-flex;
  align-items: center;
  padding: 3px;
  box-shadow: inset 0 1px 2px var(--theme-toggle-glow);
  transition: background var(--transition-theme), box-shadow var(--transition-theme);
}

.theme-toggle-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--theme-toggle-thumb);
  box-shadow: 0 2px 6px var(--theme-toggle-glow);
  transform: translateX(0);
  transition: transform var(--transition-base), background var(--transition-theme);
}

.theme-toggle-button[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(14px);
}

.theme-toggle-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-ring), var(--theme-toggle-shadow);
}

.card {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: var(--space-3);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-card);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-theme), border-color var(--transition-theme),
    box-shadow var(--transition-theme);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--card-sheen-start), var(--card-sheen-end));
  opacity: 0.6;
  pointer-events: none;
}

.card-header h2 {
  margin: 0 0 var(--space-1);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.card-header p {
  margin: 0;
  color: var(--muted);
}

.form-sections {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-3) 0;
}

.form-section {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--section-bg);
  padding: var(--space-2);
  display: grid;
  gap: var(--space-2);
  box-shadow: var(--shadow-inset);
  transition: background var(--transition-theme), border-color var(--transition-theme),
    box-shadow var(--transition-theme);
}

.section-header h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.section-header p {
  margin: 0;
}

.form-grid {
  display: grid;
  gap: var(--space-2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: 0.95rem;
}

.field span {
  font-weight: 600;
  color: var(--text-strong);
}

.field input,
.field textarea {
  width: 100%;
  height: var(--control-height);
  padding: 0 var(--control-padding-x);
  line-height: var(--control-line-height);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--field-bg);
  font-size: 1rem;
  color: var(--text);
  box-shadow: var(--field-shadow);
  box-sizing: border-box;
  transition: border var(--transition-base), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-theme);
}

.field textarea {
  min-height: 120px;
  padding: 12px var(--control-padding-x);
  line-height: 1.4;
  resize: vertical;
}

.field input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.field input[type="number"]::-webkit-outer-spin-button,
.field input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.field select {
  width: 100%;
  height: var(--control-height);
  padding: 0 var(--control-padding-x);
  line-height: var(--control-line-height);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--field-bg);
  font-size: 1rem;
  color: var(--text);
  box-shadow: var(--field-shadow);
  appearance: none;
  box-sizing: border-box;
  transition: border var(--transition-base), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-theme);
}

.field input:hover,
.field textarea:hover,
.field select:hover {
  border-color: var(--field-hover-border);
  background: var(--field-bg-hover);
}

.input-prefix:hover {
  border-color: var(--field-hover-border);
  background: var(--field-bg-hover);
}

.field input:focus,
.field input:focus-visible,
.field textarea:focus,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 2px var(--accent-ring), var(--focus-shadow);
}

.field select:focus,
.field select:focus-visible {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 2px var(--accent-ring), var(--focus-shadow);
}

.toggle-row input:focus,
.toggle-row input:focus-visible,
.extra-item input:focus,
.extra-item input:focus-visible,
.input-prefix:hover input,
.input-prefix input:focus,
.input-prefix input:focus-visible {
  outline: none;
  box-shadow: none;
}

.input-prefix:focus-within {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 2px var(--accent-ring), var(--focus-shadow);
}

.field.is-disabled {
  opacity: 0.55;
}

.field.is-disabled input,
.field.is-disabled select {
  cursor: not-allowed;
}

.field-toggle {
  gap: var(--space-1);
  grid-column: 1 / -1;
}

.toggle-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--field-bg);
  font-size: 0.95rem;
  color: var(--muted);
  box-shadow: var(--field-shadow);
  transition: border var(--transition-base), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-theme);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.toggle-row input {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  box-sizing: border-box;
  accent-color: var(--accent);
}

.input-prefix {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  background: var(--field-bg);
  padding: 0 var(--control-padding-x);
  border-radius: var(--radius-md);
  height: var(--control-height);
  width: 100%;
  box-sizing: border-box;
  line-height: var(--control-line-height);
  box-shadow: var(--field-shadow);
  transition: border var(--transition-base), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-theme);
  overflow: hidden;
}

.input-prefix span {
  color: var(--muted);
  font-weight: 600;
}

.input-prefix input {
  border: 0;
  background: transparent;
  height: 100%;
  padding: 0;
  line-height: var(--control-line-height);
  flex: 1;
  min-width: 0;
  box-sizing: border-box;
  border-radius: 0;
  box-shadow: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: textfield;
  margin: 0;
}

.input-prefix input:hover,
.input-prefix input:focus,
.input-prefix input:focus-visible {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  outline: none;
}

.helper {
  color: var(--muted);
  font-size: 0.92rem;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-3) 0;
  transition: background var(--transition-theme);
}

.extras {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.locked-panel {
  display: grid;
  gap: 12px;
}

.locked-entry {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-dashed);
  background: var(--locked-bg);
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: border var(--transition-base), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-base);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.locked-entry .lock-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--locked-icon);
}

.locked-entry .lock-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.locked-entry .locked-text {
  color: var(--locked-text);
  font-weight: 600;
  display: block;
}

.locked-entry .locked-subtext {
  display: block;
  margin-top: 2px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--locked-subtext);
}

.locked-entry .locked-tag {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--locked-tag-text);
  border: 1px solid var(--locked-tag-border);
  padding: 4px 8px;
  border-radius: 999px;
  justify-self: end;
  background: var(--locked-tag-bg);
}

.locked-entry:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-ring);
}

.locked-notice {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--notice-border);
  background: var(--notice-bg);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
  transition: background var(--transition-theme), border-color var(--transition-theme),
    color var(--transition-theme);
}

.extra-list {
  display: grid;
  gap: var(--space-1);
}

.extra-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--extra-bg);
  transition: border var(--transition-slow), transform var(--transition-slow),
    box-shadow var(--transition-slow), background var(--transition-slow),
    color var(--transition-theme);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.extra-item input {
  width: 18px;
  height: 18px;
  box-sizing: border-box;
  accent-color: var(--accent);
}

.extra-amount {
  font-weight: 600;
  color: var(--text);
}

.summary-card {
  position: static;
}

.breakdown {
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.98rem;
}

.breakdown-row .label {
  color: var(--muted);
}

.breakdown-group {
  background: var(--breakdown-bg);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  border: 1px solid var(--border-strong);
  display: grid;
  gap: 10px;
  transition: background var(--transition-theme), border-color var(--transition-theme);
}

.group-title {
  margin: 0 0 6px;
  font-weight: 600;
  color: var(--text);
}

.total {
  display: grid;
  gap: 10px;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--total-bg);
  color: var(--text-inverse);
  box-shadow: var(--total-shadow);
  border: 1px solid var(--total-border);
  transition: background var(--transition-theme), border-color var(--transition-theme),
    box-shadow var(--transition-theme);
}

.total strong {
  font-size: 1.8rem;
}

.summary-note {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--summary-note);
}

.callout {
  margin-top: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: var(--callout-bg);
  transition: background var(--transition-theme), border-color var(--transition-theme);
}

.callout h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.callout ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

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

.is-hidden {
  display: none;
}

.message-card {
  margin-top: var(--space-3);
}

.message-grid {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-1);
}

.message-preview {
  display: grid;
  gap: 8px;
}

.message-preview textarea {
  width: 100%;
  min-height: 180px;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--field-bg);
  font-size: 0.98rem;
  line-height: 1.5;
  white-space: pre-wrap;
  resize: vertical;
  color: var(--text);
  box-shadow: var(--field-shadow);
  transition: border var(--transition-base), box-shadow var(--transition-base),
    background var(--transition-base), color var(--transition-theme);
}

.message-preview textarea:focus,
.message-preview textarea:focus-visible {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 2px var(--accent-ring), var(--focus-shadow);
}

.action-panel {
  margin-top: var(--space-2);
  display: grid;
  gap: var(--space-1);
}

.btn {
  height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow),
    background var(--transition-slow), border-color var(--transition-slow),
    color var(--transition-slow);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: var(--text-inverse);
  box-shadow: 0 16px 30px var(--accent-glow);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--text);
  border-color: var(--btn-secondary-border);
  box-shadow: var(--btn-secondary-shadow);
}

.btn-tertiary {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}

.btn-share {
  background: var(--btn-share-bg);
  color: var(--btn-share-text);
  border-color: var(--btn-share-border);
  box-shadow: var(--btn-share-shadow);
}

.btn-pdf {
  background: var(--btn-pdf-bg);
  color: var(--btn-pdf-text);
  border-color: var(--btn-pdf-border);
  box-shadow: var(--btn-pdf-shadow);
}

.btn-share:hover {
  background: var(--btn-share-hover-bg);
  border-color: var(--btn-share-hover-border);
}

.btn-pdf:hover {
  background: var(--btn-pdf-hover-bg);
  border-color: var(--btn-pdf-hover-border);
}

.btn-share:active {
  background: var(--btn-share-active-bg);
  border-color: var(--btn-share-active-border);
  box-shadow: none;
}

.btn-pdf:active {
  background: var(--btn-pdf-active-bg);
  border-color: var(--btn-pdf-active-border);
  box-shadow: none;
}

.btn-share:focus-visible {
  box-shadow: 0 0 0 2px var(--btn-share-ring), var(--focus-shadow);
}

.btn-pdf:focus-visible {
  box-shadow: 0 0 0 2px var(--btn-pdf-ring), var(--focus-shadow);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-ring), var(--focus-shadow);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.copy-status {
  font-size: 0.9rem;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.6s ease;
}

.action-panel .copy-status {
  grid-column: 1 / -1;
}

.copy-status.is-visible {
  opacity: 1;
}

.reset-panel {
  margin-top: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 720px) {
  .form-sections {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .action-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
  }
}

@media (max-width: 719px) {
  .theme-toggle {
    width: 100%;
  }

  .theme-toggle-button {
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    gap: 8px;
  }

  .theme-toggle-text {
    display: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .toggle-row:focus-within,
  .input-prefix:focus-within,
  .extra-item:focus-within {
    border-color: var(--accent-strong);
    box-shadow: 0 0 0 2px var(--accent-ring), var(--focus-shadow);
  }

  .toggle-row:hover {
    border-color: var(--field-hover-border);
    background: var(--field-bg-hover);
  }

  .input-prefix:hover {
    border-color: var(--field-hover-border);
    background: var(--field-bg-hover);
  }

  .extra-item:hover {
    border-color: var(--field-hover-border);
    background: var(--extra-hover-bg);
    transform: translateY(-2px);
    box-shadow: var(--extra-hover-shadow);
  }

  .locked-entry:hover {
    border-color: var(--locked-hover-border);
    background: var(--locked-hover-bg);
    color: var(--locked-hover-text);
  }

  .theme-toggle-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px var(--theme-toggle-glow);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 36px var(--accent-glow);
  }

  .btn-secondary:hover {
    border-color: var(--btn-secondary-hover-border);
    color: var(--btn-secondary-hover-text);
    background: var(--btn-secondary-hover-bg);
  }

  .btn-tertiary:hover {
    border-color: var(--btn-secondary-hover-border);
    color: var(--btn-tertiary-hover-text);
    background: var(--btn-tertiary-hover-bg);
  }
}

@media (hover: none) and (pointer: coarse) {
  .extra-item:active,
  .toggle-row:active {
    transform: scale(0.98);
    box-shadow: none;
    background: var(--field-bg-hover);
    border-color: var(--field-hover-border);
  }

  .btn:active {
    transform: translateY(1px) scale(0.98);
  }
}

@media (min-width: 980px) {
  .layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .utility-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .theme-toggle {
    justify-self: end;
  }

  .summary-card {
    position: sticky;
    top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .extra-item,
  .theme-toggle-button {
    transition: none;
  }
}