/* Alchemy Dark Theme - Charcoal Monochrome */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&family=Roboto:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&display=swap');

:root {
  --charcoal-bg: #101112;
  --charcoal-dark: #161718;
  --charcoal-light: #232426;
  --accent: #232426;
  --text-main: #f8fafd;
  --text-secondary: #e0e2e6;
  --border: #18191a;
  --font-main: 'Inter', 'Roboto', monospace;
}

body,
.alchemy-root,
.dash-app {
  background: var(--charcoal-bg) !important;
  color: var(--text-main) !important;
  font-family: var(--font-main) !important;
  font-size: 1rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-main) !important;
  font-family: 'Inter', 'Roboto', monospace !important;
  font-weight: 600;
}

h1 {
  font-size: 2.8rem;
  letter-spacing: 0.03em;
}

h2 {
  font-size: 2.2rem;
  letter-spacing: 0.02em;
}

h3 {
  font-size: 1.6rem;
  font-weight: 700;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

p,
label,
.dash-table-container,
.tab-content {
  color: var(--text-secondary) !important;
  font-family: var(--font-main) !important;
  font-size: 0.98rem;
}

/* Improve form label legibility */
label,
.form-label,
.dash-radio-items label,
.dash-checklist label {
  color: #cfd3da !important;
  font-weight: 600;
}

.alchemy-title {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-main);
  text-align: center;
  margin-top: 48px;
  margin-bottom: 24px;
  font-family: 'Playfair Display', 'Didot', 'Inter', 'Roboto', monospace;
}

.alchemy-tabs {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto 24px auto;
  border-radius: 10px;
  box-shadow: 0 2px 16px 0 rgba(0, 0, 0, 0.22);
  background: var(--charcoal-dark);
}

.dcc-tabs {
  background: var(--charcoal-dark) !important;
  border-radius: 10px 10px 0 0;
  border-bottom: none;
  box-shadow: none;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  white-space: nowrap !important;
  scroll-behavior: smooth;
}

.dcc-tab {
  background: var(--charcoal-dark) !important;
  color: var(--text-main) !important;
  border: none !important;
  font-family: var(--font-main) !important;
  font-size: 0.98em;
  font-weight: 600;
  padding: 14px 18px;
  margin-right: 8px;
  transition: color 0.2s, background 0.2s;
  border-radius: 10px 10px 0 0;
  white-space: nowrap !important;
  min-width: 150px;
  overflow: visible;
  text-overflow: initial;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

.dcc-tab--selected {
  background: var(--charcoal-bg) !important;
  color: var(--text-main) !important;
  border-bottom: 3px solid var(--accent) !important;
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.22);
}

/* Dash core tabs (alternate class names) */
.tab {
  background: var(--charcoal-dark) !important;
  color: var(--text-main) !important;
  border: none !important;
  font-family: var(--font-main) !important;
  font-size: 0.96em;
  font-weight: 600;
  padding: 14px 24px;
  margin-right: 6px;
  border-radius: 10px 10px 0 0;
  white-space: nowrap !important;
  min-width: 140px;
  overflow: visible;
  text-overflow: initial;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

.tab:hover {
  background: #1a1b1c !important;
}

.tab--selected {
  background: var(--charcoal-bg) !important;
  color: var(--text-main) !important;
  border-bottom: 3px solid var(--accent) !important;
}

/* Thin scrollbar for overflowing tabs */
.dcc-tabs::-webkit-scrollbar {
  height: 8px;
}

.dcc-tabs::-webkit-scrollbar-track {
  background: #0f1011;
}

.dcc-tabs::-webkit-scrollbar-thumb {
  background: #2a2b2e;
  border-radius: 6px;
}

.dcc-tabs::-webkit-scrollbar-thumb:hover {
  background: #3a3b3d;
}

.dash-table-container .dash-spreadsheet {
  background: var(--charcoal-dark) !important;
  color: var(--text-secondary) !important;
}

.dash-graph {
  background: transparent !important;
}

/* Containers */
.alchemy-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.alchemy-hero {
  padding: 18px 0 8px;
  text-align: center;
}

.alchemy-hero .title {
  font-family: 'Playfair Display', 'Didot', 'Inter', serif;
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.alchemy-hero .subtitle {
  color: #cfd3da;
  margin-top: 10px;
  font-size: 1.02rem;
}

.quick-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.btn-primary,
.btn-ghost {
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  background: #2d2f31;
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-primary:hover {
  background: #333537;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: #1a1b1c;
}

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

.kpi-card {
  background: var(--charcoal-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.kpi-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.kpi-value {
  color: var(--text-main);
  font-size: 1.3rem;
  font-weight: 800;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 8px;
}

.feature-card {
  background: var(--charcoal-dark);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.feature-card:hover {
  background: var(--charcoal-light);
}

/* Stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.stats-card {
  background: var(--charcoal-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.stats-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.stats-value {
  color: var(--text-main);
  font-size: 1.2rem;
  font-weight: 800;
}

.mono {
  font-family: "Courier New", monospace;
}

.positive {
  color: #04bd19;
}

.negative {
  color: #f51000;
}

#upload-data {
  background: var(--charcoal-dark) !important;
  color: var(--text-main) !important;
  border: 2px dashed var(--border) !important;
  border-radius: 8px;
  font-family: var(--font-main) !important;
  font-size: 1em;
}

#output-data-upload {
  background: var(--charcoal-dark) !important;
  color: var(--text-main) !important;
  border-radius: 8px;
  margin-top: 16px;
  padding: 16px;
  font-family: var(--font-main) !important;
}

a,
a:visited {
  color: var(--text-main);
  text-decoration: underline;
}

a:hover {
  color: var(--text-secondary);
}

hr {
  border-color: var(--border);
}

input,
select,
textarea {
  background: var(--charcoal-dark) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border) !important;
  border-radius: 4px;
  font-family: var(--font-main) !important;
}

/* Placeholder visibility */
::placeholder {
  color: #9aa0a6 !important;
}

/* Radio/checkbox emphasis */
input[type="radio"],
input[type="checkbox"] {
  accent-color: #6aa0ff;
}

/* Dropdowns (dcc.Dropdown / react-select) */
.Select-control {
  background: var(--charcoal-dark) !important;
  border: 1px solid #3a3b3d !important;
  box-shadow: none !important;
}

.Select--single>.Select-control .Select-value,
.Select-placeholder {
  color: var(--text-main) !important;
}

.Select-menu-outer {
  background: #111214 !important;
  border: 1px solid #3a3b3d !important;
}

.Select-menu {
  background: transparent !important;
}

.Select-option {
  background: transparent !important;
  color: var(--text-secondary) !important;
}

.Select-option.is-selected {
  background: #232426 !important;
  color: var(--text-main) !important;
}

.Select-option.is-focused {
  background: #1a1b1c !important;
}

.Select-value-label {
  color: var(--text-main) !important;
}

.Select-value {
  background: #1b1c1e !important;
  border: 1px solid #2c2d30 !important;
  color: var(--text-main) !important;
}

.Select-value-icon {
  color: #9aa0a6 !important;
  border-right: none !important;
}

.Select-arrow {
  border-top-color: #9aa0a6 !important;
}

/* Sliders (rc-slider) */
.rc-slider-rail {
  background-color: #2a2b2e !important;
}

.rc-slider-track {
  background-color: #6aa0ff !important;
}

.rc-slider-dot,
.rc-slider-dot-active {
  border-color: #2a2b2e !important;
  background: #2a2b2e !important;
}

.rc-slider-handle {
  border: 2px solid #6aa0ff !important;
  background: #141517 !important;
}

.rc-slider-mark-text {
  color: #a8adb2 !important;
}