:root {
  --bg: #f4f5ee;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --line: #d9dfcf;
  --text: #223026;
  --muted: #637061;
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-soft: rgba(13, 148, 136, 0.12);
  --warn: #b45309;
  --warn-bg: rgba(245, 158, 11, 0.16);
  --good: #166534;
  --good-bg: rgba(22, 101, 52, 0.1);
  --shadow: 0 18px 40px rgba(31, 42, 31, 0.08);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(13, 148, 136, 0.12), transparent 28rem),
    radial-gradient(circle at right 20%, rgba(245, 158, 11, 0.12), transparent 24rem),
    linear-gradient(180deg, #fbfcf8 0%, #eef4ea 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  border: none;
  border-radius: 14px;
  padding: 11px 14px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

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

button:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

input,
select,
textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong);
  color: var(--text);
}

textarea {
  resize: vertical;
  min-height: 88px;
}

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

.shell {
  width: min(1120px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 18px 0 32px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(217, 223, 207, 0.85);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.brand {
  display: grid;
  gap: 2px;
}

.brand strong {
  font-size: 1.02rem;
}

.brand span,
.subtle,
.muted {
  color: var(--muted);
}

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

.topnav a {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(13, 148, 136, 0.16);
  background: rgba(255, 255, 255, 0.72);
}

.topnav a.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.hero,
.panel,
.feature-card {
  background: var(--panel);
  border: 1px solid rgba(217, 223, 207, 0.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: 26px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 0.98;
  max-width: 11ch;
  margin-bottom: 14px;
}

.hero p {
  max-width: 42rem;
  line-height: 1.5;
}

.hero-grid {
  display: grid;
  gap: 18px;
}

.feature-grid,
.grid,
.stack {
  display: grid;
  gap: 18px;
}

.feature-card {
  padding: 20px;
}

.feature-card h2,
.panel-header h2 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.panel {
  padding: 18px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.status-pill,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.82rem;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid rgba(13, 148, 136, 0.16);
}

.feature-link,
.primary,
.secondary,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.feature-link,
.primary {
  background: var(--accent);
  color: #fff;
}

.secondary {
  background: #edf7f5;
  color: var(--accent-strong);
  border: 1px solid rgba(13, 148, 136, 0.18);
}

.ghost {
  background: #f3f6ee;
  color: var(--text);
  border: 1px solid var(--line);
}

.outline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.inline-actions,
.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.danger-note,
.success-note,
.warning-strip {
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 0.92rem;
}

.danger-note,
.warning-strip {
  background: var(--warn-bg);
  color: var(--warn);
}

.success-note {
  background: var(--good-bg);
  color: var(--good);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 16px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.65);
}

.price-table-wrap,
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th,
td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #ebefdf;
  background: #fff;
  vertical-align: top;
}

th {
  background: #f4f8ef;
  color: var(--muted);
  font-size: 0.88rem;
}

.card-list {
  display: grid;
  gap: 12px;
}

.entry-card,
.price-list-card,
.result-card,
.summary-card {
  border: 1px solid var(--line);
  background: var(--panel-strong);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.price-list-card.current {
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: inset 0 0 0 1px rgba(13, 148, 136, 0.12);
}

.card-row,
.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.option-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.option-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid rgba(217, 223, 207, 0.9);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.76);
}

.option-chip input {
  width: auto;
  margin: 0;
}

.menu-panel {
  padding: 0;
  overflow: hidden;
}

.menu-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: transparent;
}

.menu-content {
  padding: 0 18px 18px;
  border-top: 1px solid rgba(217, 223, 207, 0.85);
}

.menu-content[hidden] {
  display: none;
}

.result-card {
  background: linear-gradient(180deg, #ffffff 0%, #f0fbfa 100%);
}

.result-amount {
  display: grid;
  gap: 4px;
}

.result-amount strong,
.big-number {
  font-size: 1.4rem;
}

.row-editor {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.row-editor-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.section-grid {
  display: grid;
  gap: 18px;
}

.stats-grid {
  display: grid;
  gap: 18px;
}

.summary-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.small {
  font-size: 0.85rem;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}