:root {
  color-scheme: light;
  --color-neutral-100: #f8fafc;
  --color-neutral-200: #eef2f6;
  --color-neutral-300: #dbe3eb;
  --color-neutral-400: #9aa9ba;
  --color-neutral-500: #607086;
  --color-neutral-700: #243143;
  --color-neutral-900: #101927;

  --color-brand-100: #d7f3e7;
  --color-brand-300: #7ed3ad;
  --color-brand-500: #1e8f67;
  --color-brand-700: #126146;

  --color-accent-100: #e5efff;
  --color-accent-300: #9fc0ff;
  --color-accent-500: #2d6cdf;
  --color-accent-700: #1f4b9a;

  --color-danger-100: #ffe2e2;
  --color-danger-500: #d64545;

  --text-primary: var(--color-neutral-900);
  --text-secondary: #526173;
  --text-muted: #6f8094;
  --text-on-brand: #ffffff;

  --surface-page: #f4f7fb;
  --surface-panel: rgba(255, 255, 255, 0.86);
  --surface-panel-strong: rgba(255, 255, 255, 0.94);
  --surface-subtle: #edf3f8;
  --surface-contrast: #0f1b2b;
  --border-default: rgba(88, 111, 136, 0.18);
  --border-strong: rgba(52, 86, 121, 0.28);
  --shadow-soft: 0 20px 50px rgba(14, 28, 45, 0.10);
  --shadow-card: 0 12px 28px rgba(15, 23, 42, 0.08);

  --radius-xxs: 0.5rem;
  --radius-xs: 0.75rem;
  --radius-sm: 1rem;
  --radius-md: 1.25rem;
  --radius-lg: 1.75rem;
  --radius-xl: 2.5rem;
  --radius-pill: 999rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-9: 2.5rem;
  --space-10: 3rem;

  --container-main: 78rem;
  --input-height: 3rem;
  --step-size: 3rem;
  --transition-base: 180ms ease;
}

body.dark {
  color-scheme: dark;
  --text-primary: #ecf3fb;
  --text-secondary: #b8c8d8;
  --text-muted: #91a2b5;
  --text-on-brand: #f8fbff;

  --surface-page: #08121d;
  --surface-panel: rgba(11, 23, 37, 0.82);
  --surface-panel-strong: rgba(13, 27, 42, 0.9);
  --surface-subtle: rgba(20, 36, 54, 0.95);
  --surface-contrast: #06101a;
  --border-default: rgba(145, 169, 194, 0.14);
  --border-strong: rgba(145, 169, 194, 0.28);
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.28);
  --shadow-card: 0 14px 32px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at top left, rgba(30, 143, 103, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(45, 108, 223, 0.12), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, var(--surface-page) 100%);
  transition: background var(--transition-base), color var(--transition-base);
}

body.dark {
  background:
    radial-gradient(circle at top left, rgba(126, 211, 173, 0.08), transparent 26%),
    radial-gradient(circle at top right, rgba(159, 192, 255, 0.08), transparent 22%),
    linear-gradient(180deg, #07121d 0%, var(--surface-page) 100%);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent-500);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  background: none;
}

.page-body {
  position: relative;
}

.page-wrapper,
.main-wrapper,
.section-shell {
  position: relative;
}

.padding-global {
  padding: var(--space-8) var(--space-4) var(--space-10);
}

.container-large {
  width: min(100%, var(--container-main));
  margin-inline: auto;
}

.pattern {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.1;
  overflow: hidden;
}

.pattern-icon {
  position: absolute;
  font-size: 1.75rem;
  color: color-mix(in srgb, var(--color-accent-500) 65%, transparent);
}

body.dark .pattern-icon {
  color: color-mix(in srgb, var(--color-brand-300) 52%, transparent);
}

.app-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
  padding: clamp(1.25rem, 2vw, 2rem);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  background: var(--surface-panel);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.top-bar,
.header-content,
.title-actions,
.panel-heading,
.summary-info,
.summary-values,
.button-group,
.hero-panel,
.hero-copy,
.total-banner,
.shortcuts-block {
  display: flex;
}

.top-bar {
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-content {
  flex-direction: column;
  gap: var(--space-3);
}

.title-card {
  margin: 0;
}

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

.title-main {
  display: block;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.title-description {
  display: block;
  max-width: 38rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.55;
}

.title-actions {
  align-items: center;
  gap: var(--space-2);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition:
    transform var(--transition-base),
    background var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base);
  cursor: pointer;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.68;
  cursor: not-allowed;
  transform: none;
}

.material-symbols-rounded {
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
}

.button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--color-accent-500) 22%, transparent);
}

.button.is-ghost,
.icon-btn {
  width: 3rem;
  min-width: 3rem;
  padding: 0;
  border-color: var(--border-default);
  background: var(--surface-panel-strong);
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
}

.icon-btn .icon-light {
  display: none;
}

body.dark .icon-btn .icon-dark {
  display: none;
}

body.dark .icon-btn .icon-light {
  display: inline;
}

.hero-panel {
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  padding: clamp(1.25rem, 2vw, 1.75rem);
  border: 1px solid rgba(45, 108, 223, 0.16);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(45, 108, 223, 0.12), rgba(30, 143, 103, 0.1)),
    var(--surface-panel-strong);
  box-shadow: var(--shadow-card);
}

body.dark .hero-panel {
  background:
    linear-gradient(135deg, rgba(45, 108, 223, 0.18), rgba(30, 143, 103, 0.14)),
    var(--surface-panel-strong);
}

.hero-copy {
  flex-direction: column;
  gap: var(--space-2);
}

.eyebrow {
  margin: 0;
  color: var(--color-accent-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-highlight {
  min-width: 15rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  background: var(--surface-contrast);
  color: #eff8ff;
  box-shadow: var(--shadow-card);
}

.hero-highlight-label {
  display: block;
  margin-bottom: 0.35rem;
  color: rgba(239, 248, 255, 0.74);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-highlight strong {
  font-size: clamp(1.4rem, 2vw, 2rem);
  letter-spacing: -0.04em;
}

.grid-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: var(--space-6);
}

.card-surface {
  padding: var(--space-6);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--surface-panel-strong);
  box-shadow: var(--shadow-card);
}

.panel-left,
.panel-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.panel-heading {
  flex-direction: column;
  gap: var(--space-2);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-icon,
.summary-icon,
.total-icon {
  color: var(--color-accent-500);
}

.panel-description {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.55;
}

.capture-group,
.distribution,
.form-field {
  display: grid;
  gap: var(--space-4);
}

.subsection-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: 16px;
}

.row:last-child {
  margin-bottom: 0;
}

label {
  display: inline-block;
  color: var(--text-primary);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.field-group,
.input-group {
  display: grid;
  grid-template-columns: var(--step-size) minmax(5.5rem, 6.5rem) var(--step-size);
  align-items: center;
  gap: 0.35rem;
}

.input-group input,
.concept-input {
  width: 100%;
  border: 1px solid var(--border-default);
  background: var(--surface-subtle);
  color: var(--text-primary);
}

.input-group input {
  height: var(--input-height);
  padding: 0 0.9rem;
  border-radius: var(--radius-pill);
  text-align: center;
  font-weight: 700;
}

.input-group input::-webkit-outer-spin-button,
.input-group input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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

.step-btn,
.button.is-step {
  width: var(--step-size);
  height: var(--input-height);
  min-height: 34px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 999rem;
  background: var(--surface-panel-strong);
  color: var(--color-accent-500);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.24);
  font-size: 1.15rem;
  font-weight: 800;
}

.step-btn:hover,
.button.is-step:hover {
  border-color: rgba(45, 108, 223, 0.4);
  background: color-mix(in srgb, var(--color-accent-100) 75%, var(--surface-panel-strong));
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.summary-card {
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 1rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(237, 243, 248, 0.8));
}

body.dark .summary-card {
  background: linear-gradient(180deg, rgba(19, 34, 51, 0.92), rgba(12, 25, 39, 0.96));
}

.summary-total {
  grid-column: 1 / -1;
  border-color: rgba(30, 143, 103, 0.22);
  background: linear-gradient(135deg, rgba(30, 143, 103, 0.12), rgba(45, 108, 223, 0.08));
}

.summary-info {
  align-items: center;
  gap: 0.55rem;
  font-size: 0.92rem;
  font-weight: 800;
}

.summary-values {
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  text-align: right;
}

.summary-values strong {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.amount-words {
  color: var(--text-secondary);
  font-size: 0.76rem;
  line-height: 1.45;
}

.form-field label {
  margin-bottom: -0.25rem;
}

.concept-input {
  min-height: 6.5rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  resize: vertical;
  line-height: 1.55;
}

.button.is-secondary,
.btn-secondary {
  min-height: 3.25rem;
  padding-inline: 1.1rem;
  border-color: var(--border-default);
  background: var(--surface-panel-strong);
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
  font-weight: 700;
}

.button.is-secondary:hover,
.btn-secondary:hover {
  border-color: rgba(45, 108, 223, 0.28);
  background: var(--surface-subtle);
}

.distribution-list {
  display: grid;
  gap: 0.85rem;
}

.dist-row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
}

.dist-label,
.dist-value {
  font-size: 0.85rem;
  font-weight: 700;
}

.dist-label {
  color: var(--text-secondary);
}

.dist-bar {
  position: relative;
  height: 0.7rem;
  overflow: hidden;
  border-radius: 999rem;
  background: color-mix(in srgb, var(--color-accent-100) 60%, var(--surface-subtle));
}

.dist-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-accent-500), var(--color-brand-500));
  transition: width 220ms ease;
}

.dist-value {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
}

.dist-amount {
  min-width: 4.8rem;
  text-align: right;
}

.dist-percent {
  min-width: 2.4rem;
  color: var(--text-muted);
}

.total-banner {
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(30, 143, 103, 0.18);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(30, 143, 103, 0.1), rgba(45, 108, 223, 0.08));
  font-weight: 800;
}

#total-text {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.footer-shell,
.shortcuts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-default);
}

.shortcuts-block {
  flex-direction: column;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.shortcuts-block strong {
  color: var(--text-primary);
}

.footer-note,
.footer-time {
  margin: 0;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.7rem;
  min-height: 1.7rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border-default);
  border-bottom-width: 2px;
  border-radius: 0.55rem;
  background: var(--surface-subtle);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 800;
}

@media (max-width: 991px) {
  .grid-layout,
  .footer-shell,
  .shortcuts {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .top-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-highlight {
    min-width: 0;
  }
}

@media (max-width: 767px) {
  .padding-global {
    padding-inline: 0.85rem;
    padding-top: 1rem;
    padding-bottom: 2rem;
  }

  .app-shell {
    padding: 1rem;
    border-radius: 1.5rem;
  }

  .card-surface,
  .hero-panel {
    padding: 1rem;
    border-radius: 1.25rem;
  }

  .summary-cards {
    grid-template-columns: 1fr;
  }

  .summary-total {
    grid-column: auto;
  }

  .row,
  .dist-row {
    grid-template-columns: 1fr;
  }

  .field-group,
  .input-group {
    justify-content: start;
  }

  .dist-value {
    justify-content: space-between;
  }

  .title-actions {
    justify-content: flex-start;
  }
}

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