:root {
  --bg: #f4f8f5;
  --card: #ffffff;
  --card-soft: #f6faf7;
  --card-strong: #ffffff;
  --text: #173025;
  --muted: #5f726a;
  --border: #d7e2db;
  --soft-border: rgba(22, 49, 39, 0.09);
  --tab: #ffffff;
  --tab-border: #d7e2dc;
  --tab-hover: #f3fbf6;
  --tab-text: #214437;
  --header-shadow: 0 18px 30px rgba(22, 49, 39, 0.05);
  --ink-deep: #10261d;
  --ink-rgb: 16, 38, 29;
  --danger: #b42318;
  --danger-soft: #fff2f0;
  --rejected: #b42318;
  --rejected-soft: #fff1ef;
  --shadow-xs: 0 8px 18px rgba(16, 38, 29, 0.06);
  --shadow-sm: 0 14px 30px rgba(16, 38, 29, 0.08);
  --shadow-md: 0 20px 44px rgba(16, 38, 29, 0.1);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;
}

:root,
:root[data-theme="green"] {
  --bg: #f4f8f5;
  --card-soft: #f6faf7;
  --text: #173025;
  --muted: #5f726a;
  --border: #d7e2db;
  --soft-border: rgba(22, 49, 39, 0.09);
  --tab-border: #d7e2dc;
  --tab-hover: #f3fbf6;
  --tab-text: #214437;
  --header-shadow: 0 18px 30px rgba(22, 49, 39, 0.05);
  --ink-deep: #10261d;
  --ink-rgb: 16, 38, 29;
  --accent: #16803c;
  --accent-2: #16803c;
  --accent-deep: #0f5f2b;
  --accent-soft: #e8f5ec;
  --accent-rgb: 22, 128, 60;
  --accent-deep-rgb: 15, 95, 43;
  --accent-wash: rgba(22, 128, 60, 0.08);
  --accent-focus: rgba(22, 128, 60, 0.28);
  --chart-1: #16803c;
  --chart-2: #2f9f55;
  --chart-3: #78c18c;
  --chart-4: #add9b7;
  --chart-5: #d5ecda;
  --chart-6: #e9f6ec;
  --surface-tint-1: color-mix(in srgb, var(--accent-soft) 12%, white);
  --surface-tint-2: color-mix(in srgb, var(--accent-soft) 20%, white);
  --surface-tint-3: color-mix(in srgb, var(--accent-soft) 38%, white);
  --tab-active: #16803c;
  --tab-active-deep: #0f5f2b;
  --green-soft: #edf8f0;
  --green-mist: #f5fbf7;
  --green-deep: #0f5f2b;
  --approved: #16803c;
  --process: #16803c;
}

:root[data-theme="indigo"] {
  --bg: #f7f5fb;
  --card-soft: #faf7fd;
  --text: #281f33;
  --muted: #6f6680;
  --border: #ded5eb;
  --soft-border: rgba(40, 31, 51, 0.08);
  --tab-border: #ded5eb;
  --tab-hover: #f4eefb;
  --tab-text: #38274d;
  --header-shadow: 0 18px 30px rgba(40, 31, 51, 0.08);
  --ink-deep: #24172f;
  --ink-rgb: 36, 23, 47;
  --accent: #8236af;
  --accent-2: #8236af;
  --accent-deep: #642887;
  --accent-soft: #f3e8fb;
  --accent-rgb: 130, 54, 175;
  --accent-deep-rgb: 100, 40, 135;
  --accent-wash: rgba(130, 54, 175, 0.08);
  --accent-focus: rgba(130, 54, 175, 0.28);
  --chart-1: #8236af;
  --chart-2: #9958bf;
  --chart-3: #b384d1;
  --chart-4: #ccb1e2;
  --chart-5: #e6dcf3;
  --chart-6: #f3e8fb;
  --surface-tint-1: color-mix(in srgb, var(--accent-soft) 12%, white);
  --surface-tint-2: color-mix(in srgb, var(--accent-soft) 20%, white);
  --surface-tint-3: color-mix(in srgb, var(--accent-soft) 38%, white);
  --tab-active: #8236af;
  --tab-active-deep: #642887;
  --green-soft: #f3e8fb;
  --green-mist: #faf5fd;
  --green-deep: #642887;
  --approved: #8236af;
  --process: #8236af;
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Montserrat", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(var(--accent-rgb), 0.12), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(var(--ink-rgb), 0.07), transparent 18%),
    linear-gradient(180deg, #fbfdfb 0%, var(--bg) 100%);
}

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

button,
.btn,
.primary-btn,
.secondary-btn,
.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-danger,
.shell-tab,
.subtab,
.admin-nav-btn,
.feature-tab-btn,
.add-btn,
.clear-btn,
.sample-btn,
.report-btn,
.simulate-btn,
button.ghost {
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 0.14s ease, box-shadow 0.16s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-focus);
  outline-offset: 2px;
}

button:hover,
.btn:hover,
.primary-btn:hover,
.secondary-btn:hover,
.btn-primary:hover,
.btn-secondary:hover,
.btn-ghost:hover,
.btn-danger:hover,
.shell-tab:hover,
.subtab:hover,
.admin-nav-btn:hover,
.feature-tab-btn:hover,
.add-btn:hover,
.clear-btn:hover,
.sample-btn:hover,
.report-btn:hover,
.simulate-btn:hover,
button.ghost:hover {
  transform: translateY(-1px);
}

button:disabled,
.btn:disabled,
.primary-btn:disabled,
.secondary-btn:disabled,
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-ghost:disabled,
.btn-danger:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.primary-btn,
.btn-primary,
.add-btn,
.sample-btn,
.report-btn,
.simulate-btn {
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(var(--accent-rgb), 0.2);
}

.primary-btn:hover,
.btn-primary:hover,
.add-btn:hover,
.sample-btn:hover,
.report-btn:hover,
.simulate-btn:hover {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  box-shadow: 0 14px 26px rgba(var(--accent-rgb), 0.22);
}

.secondary-btn,
.btn-secondary,
.btn-ghost,
button.ghost {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  box-shadow: none;
}

.secondary-btn:hover,
.btn-secondary:hover,
.btn-ghost:hover,
button.ghost:hover {
  background: var(--surface-tint-1);
}

.btn-danger,
.clear-btn {
  border: 1px solid rgba(180, 35, 24, 0.12);
  background: var(--danger-soft);
  color: var(--danger);
  box-shadow: none;
}

.btn-danger:hover,
.clear-btn:hover {
  background: #ffe7e3;
  color: #941d14;
}

.shell-tab,
.subtab,
.admin-nav-btn,
.feature-tab-btn {
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  box-shadow: none;
}

.shell-tab.active,
.subtab.active,
.admin-nav-btn.active,
.feature-tab-btn.active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(var(--accent-rgb), 0.18);
}

.shell,
.ai-shell,
.page-header,
.report-header,
.section-card,
.intro-card,
.controls-card,
.flow-card,
.chart-card,
.result-card,
.hero-card,
.formula-card,
.total-card,
.summary-card,
.totals-chart-card,
.admin-summary-card,
.feature-editor-card,
.level-panel,
.metric-card,
.modal-card {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.shell,
.ai-shell,
.page-header,
.report-header,
.section-card,
.intro-card,
.controls-card,
.flow-card,
.chart-card,
.result-card,
.hero-card,
.formula-card,
.feature-editor-card,
.modal-card {
  border-radius: var(--radius-lg);
}

.frame-wrap {
  border-radius: var(--radius-md);
}

.shell-header h1 {
  margin: 0;
  color: var(--ink-deep);
  font-size: clamp(1.6rem, 2.2vw, 2rem);
  line-height: 1.05;
  font-weight: 750;
}

.page-header,
.report-header {
  background: var(--card);
}

.page-header h1,
.report-header h1,
.intro-card h1 {
  margin: 0;
  color: var(--accent-deep);
  font-size: clamp(1.8rem, 2.8vw, 2.45rem);
  line-height: 1.05;
  font-weight: 750;
  text-align: left;
}

.page-intro,
.intro,
.report-header .intro,
.intro-card p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.eyebrow {
  color: var(--accent);
}

.section-head {
  background: linear-gradient(180deg, #ffffff, var(--surface-tint-2));
}

.section-head h2,
.chart-card h3,
.flow-title,
.result-card h2,
.modal-head h2 {
  color: var(--ink-deep);
}

.section-head p,
.chart-card p,
.status,
.sim-status,
.mini-note,
.support-line,
.chart-note,
.formula-card,
.formula,
.formula-box,
.empty-state {
  color: var(--muted);
}

.table-wrap {
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
}

th {
  background: linear-gradient(180deg, var(--surface-tint-1), var(--surface-tint-3));
  color: var(--ink-deep);
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text);
}

input,
select {
  min-height: 44px;
}

.formula,
.formula-box,
.formula-card {
  border: 1px solid rgba(var(--accent-rgb), 0.16);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 90%, white), rgba(255, 255, 255, 0.96));
}

.total-card,
.summary-card,
.metric-card,
.admin-summary-card {
  background: linear-gradient(180deg, #ffffff, color-mix(in srgb, var(--accent-soft) 24%, white));
}

.metric-card.highlight {
  border-color: rgba(var(--accent-rgb), 0.22);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 92%, white), rgba(255, 255, 255, 0.98));
}

.remove-btn,
.icon-btn {
  min-height: 28px;
  min-width: 28px;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  box-shadow: none;
}

.icon-btn {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent-deep);
}

.icon-btn:hover {
  background: rgba(var(--accent-rgb), 0.16);
}

.remove-btn {
  background: rgba(180, 35, 24, 0.08);
  color: var(--danger);
}

.remove-btn:hover {
  background: rgba(180, 35, 24, 0.14);
  color: #941d14;
}

.helper-stack {
  display: grid;
  gap: 8px;
}

.spaced-note {
  margin-top: 8px;
}

.toolbar-spaced {
  margin-bottom: 16px;
}

.feature-editor-main {
  flex: 1;
}

.nested-section-card {
  margin-bottom: 16px;
}

.table-col-process {
  width: 22%;
}

.table-col-cases {
  width: 18%;
}

.table-col-steps,
.table-col-bpu {
  width: 18%;
}

.table-col-actions {
  width: 4%;
}

@media (max-width: 860px) {
  .page-header h1,
  .report-header h1,
  .intro-card h1 {
    font-size: 1.85rem;
  }
}