/* Google Fonts import: Manrope & IBM Plex Mono */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Surface Tokens */
  --surface-app: #f8fafc;
  --surface-card: #ffffff;
  --surface-sunken: #f1f5f9;
  --surface-board: #e9eef4;

  /* Border Tokens */
  --border-hairline: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: #1f6fb8;

  /* Text Tokens */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  /* Action & Accent Tokens */
  --accent-action: #1f6fb8;
  --accent-action-hover: #14507f;

  /* State Tokens */
  --state-keep: #157f4e;
  --state-keep-bg: #eef8f2;
  --state-keep-border: #cbdcd0;
  --state-keep-text: #0d5f3a;

  --state-review: #b57314;
  --state-review-bg: #fdf6e8;
  --state-review-border: #ecd9ac;
  --state-review-text: #8a6113;

  --state-transfer: #b3392c;
  --state-transfer-bg: #fef2f2;
  --state-transfer-border: #e6c4bf;
  --state-transfer-text: #8e2c21;

  /* Variant Tokens */
  --variant-shadow: #6d4aa8;
  --variant-shadow-tint: #f3efff;
  --variant-shadow-border: #d9cdf2;

  --variant-purified: #0f8a86;
  --variant-purified-tint: #ecfbf9;
  --variant-purified-border: #bfe8e5;

  --variant-lucky: #a9781a;
  --variant-lucky-tint: #fdf5e4;
  --variant-lucky-border: #ecd9ac;

  /* Fonts */
  --font-sans: 'Manrope', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--surface-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 72px;
}

.container {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.app-header {
  background-color: var(--surface-card);
  border-bottom: 1px solid var(--border-hairline);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}

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

.brand-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--surface-sunken);
  border: 1px solid var(--border-hairline);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Top Mode Switcher */
.view-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 3px;
  background-color: var(--surface-sunken);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
}

.btn-view-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.btn-view-tab.active {
  background-color: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.07);
}

/* View Sections */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* Responsive Grid Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 14px;
}

@media (min-width: 820px) {
  .main-layout {
    grid-template-columns: 370px 1fr;
  }
}

.left-column, .right-column {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Card Base */
.card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.card-section-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text-muted);
}

/* Disable default spinner overlay arrows on numeric inputs */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0 !important;
}

input[type="number"] {
  -moz-appearance: textfield !important;
  appearance: textfield !important;
}