:root {
  --bg-page: #faf9f5;
  --bg-card: #ffffff;
  --bg-surface: #f5f3ec;
  --bg-accent-soft: #fbf2dd;
  --bg-success-soft: #e8f3eb;
  --bg-warning-soft: #faeed6;
  --bg-error-soft: #f8e3e0;

  --text-primary: #1c1c1a;
  --text-secondary: #56564f;
  --text-muted: #8a8a82;
  --text-accent: #8a6420;
  --text-success: #1e5832;
  --text-warning: #8a5410;
  --text-error: #8a2828;

  --border-subtle: #e8e6dd;
  --border-default: #d6d4cb;
  --border-strong: #aaa8a0;

  --accent: #b08742;
  --accent-hover: #936e2f;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-focus: 0 0 0 3px rgba(176, 135, 66, 0.2);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #16161a;
    --bg-card: #1f1f23;
    --bg-surface: #25252a;
    --bg-accent-soft: #322a18;
    --bg-success-soft: #1a2a20;
    --bg-warning-soft: #322618;
    --bg-error-soft: #2e1c1c;

    --text-primary: #ececea;
    --text-secondary: #b8b6ad;
    --text-muted: #80807a;
    --text-accent: #d4ad6a;
    --text-success: #8acca0;
    --text-warning: #d4ad6a;
    --text-error: #e09494;

    --border-subtle: #2b2b30;
    --border-default: #3a3a40;
    --border-strong: #55555c;

    --accent: #c89e5a;
    --accent-hover: #d4ad6a;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.lede {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 640px;
  margin: 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.card-header h2,
.card-header h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0;
}

.card-header h3 {
  font-size: 15px;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

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

.small {
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-accent-soft);
  color: var(--text-accent);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
}

/* Buttons */
button {
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  padding: 9px 16px;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  padding: 6px 12px;
  font-size: 13px;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-surface);
  color: var(--text-primary);
}

/* Form elements */
input[type="text"],
input[type="password"],
input[type="number"],
textarea {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  padding: 9px 12px;
  border: 1px solid var(--border-default);
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}

textarea {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
}

label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.checkbox-row {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
  accent-color: var(--accent);
}

/* Spot prices section */
.prices-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.prices-group h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 0 0 8px;
  font-weight: 600;
}

.prices-table {
  display: grid;
  gap: 6px;
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.price-row:last-child {
  border-bottom: none;
}

.price-row label {
  font-weight: 400;
  color: var(--text-primary);
  font-size: 13px;
  flex: 1;
}

.price-row input {
  width: 80px;
  text-align: right;
  padding: 5px 8px;
  font-size: 13px;
}

.price-prefix {
  color: var(--text-muted);
  font-size: 13px;
}

/* Credentials section */
.credentials-modes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.radio-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.radio-row:hover {
  background: var(--bg-surface);
}

.radio-row:has(input:checked) {
  border-color: var(--accent);
  background: var(--bg-accent-soft);
}

.radio-row input[type="radio"] {
  margin-top: 4px;
}

.radio-row strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.radio-row p {
  margin: 0;
}

.credentials-inputs {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.credentials-inputs[hidden] {
  display: none;
}

/* Search params */
.param-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.queries-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.queries-section .card-header {
  margin-bottom: 8px;
}

.run-row {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Progress */
.progress {
  flex: 1;
  min-width: 180px;
}

.progress-bar {
  height: 6px;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.3s ease;
}

/* Error box */
.error-box {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--bg-error-soft);
  color: var(--text-error);
  border-radius: var(--radius-md);
  font-size: 14px;
}

.error-box[hidden] {
  display: none;
}

/* Results table */
.results-card[hidden] {
  display: none;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

th {
  background: var(--bg-surface);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  white-space: nowrap;
}

th[data-sort] {
  cursor: pointer;
  user-select: none;
}

th[data-sort]:hover {
  color: var(--text-primary);
}

th[data-dir="desc"]::after {
  content: " \25BC";
  font-size: 9px;
  color: var(--accent);
}

th[data-dir="asc"]::after {
  content: " \25B2";
  font-size: 9px;
  color: var(--accent);
}

tbody tr:hover {
  background: var(--bg-surface);
}

tbody tr:last-child td {
  border-bottom: none;
}

td.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

td.discount-good {
  color: var(--text-success);
  font-weight: 600;
}

td.discount-mid {
  color: var(--text-warning);
  font-weight: 500;
}

.title-cell {
  max-width: 280px;
  min-width: 200px;
}

.title-cell a {
  color: var(--text-accent);
  text-decoration: none;
}

.title-cell a:hover {
  text-decoration: underline;
}

.page-footer {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.page-footer p {
  margin: 0;
}

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

/* Mobile */
@media (max-width: 640px) {
  .container {
    padding: 20px 16px 48px;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .prices-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .card {
    padding: 16px;
  }

  .param-grid {
    grid-template-columns: 1fr;
  }

  th, td {
    padding: 8px 10px;
    font-size: 12px;
  }
}