/* ==========================================================================
   DUB DESIGN SYSTEM — DADOS FISCAIS STYLE REFERENCE (DESIGN.md)
   ========================================================================== */

:root {
  /* Colors */
  --color-canvas-white: #ffffff;
  --color-paper-mist: #f5f5f5;
  --color-ash: #e5e5e5;
  --color-smoke: #d4d4d4;
  --color-pebble: #c8c8c8;
  --color-midnight-ink: #0a0a0a;
  --color-charcoal: #171717;
  --color-graphite: #262626;
  --color-slate: #404040;
  --color-steel: #525252;
  --color-fog: #737373;
  --color-silver: #a3a3a3;

  /* Accents */
  --color-electric-blue: #2563eb;
  --color-deep-sapphire: #1e40af;
  --color-soft-mint: #dcfce7;
  --color-vivid-green: #16a34a;
  --color-tangerine: #ea580c;
  --color-lavender: #7c3aed;
  --color-primary-action-fill: #0a0a0a;

  /* Fonts */
  --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-satoshi: 'Satoshi', 'Inter', -apple-system, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing & Shapes */
  --radius-pill: 9999px;
  --radius-card: 12px;
  --radius-card-lg: 16px;
  --radius-button: 8px;
  --radius-input: 6px;

  --max-width: 1200px;
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-inter);
  background-color: var(--color-canvas-white);
  color: var(--color-charcoal);
  line-height: 1.45;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* --- Layout Container --- */
.df-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Navigation Header --- */
.df-navbar {
  background: var(--color-canvas-white);
  border-bottom: 1px solid var(--color-ash);
  height: 56px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.df-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.df-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-midnight-ink);
  letter-spacing: -0.02em;
}

.df-brand-badge {
  background: var(--color-paper-mist);
  border: 1px solid var(--color-ash);
  color: var(--color-electric-blue);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.df-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.df-nav-item {
  color: var(--color-charcoal);
  font-size: 13.5px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: background-color 0.2s ease;
}

.df-nav-item:hover {
  background-color: var(--color-paper-mist);
}

.df-nav-item.active {
  background-color: var(--color-paper-mist);
  color: var(--color-electric-blue);
}

.df-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-inter);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-midnight-ink);
  color: var(--color-canvas-white);
}
.btn-primary:hover {
  opacity: 0.9;
}

.btn-outline {
  background-color: var(--color-canvas-white);
  color: var(--color-charcoal);
  border-color: var(--color-ash);
}
.btn-outline:hover {
  background-color: var(--color-paper-mist);
  border-color: var(--color-smoke);
}

.btn-blue {
  background-color: var(--color-electric-blue);
  color: var(--color-canvas-white);
}
.btn-blue:hover {
  background-color: var(--color-deep-sapphire);
}

/* --- Inputs --- */
.df-input {
  background-color: var(--color-canvas-white);
  color: var(--color-charcoal);
  border: 1px solid var(--color-midnight-ink);
  border-radius: var(--radius-input);
  padding: 8px 12px;
  font-size: 13.5px;
  font-family: var(--font-inter);
  width: 100%;
  outline: none;
  transition: box-shadow 0.2s ease;
}

.df-input:focus {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* --- Hero Section (Compact Density) --- */
.df-hero {
  text-align: center;
  padding: 20px 20px 12px 20px;
  max-width: 860px;
  margin: 0 auto;
}

.df-hero-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.df-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-canvas-white);
  border: 1px solid var(--color-ash);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-charcoal);
}

.df-pill-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.df-pill-tag.orange .dot { background-color: var(--color-tangerine); }
.df-pill-tag.violet .dot { background-color: var(--color-lavender); }
.df-pill-tag.green .dot { background-color: var(--color-vivid-green); }

.df-hero h1 {
  font-family: var(--font-satoshi);
  font-size: 30px;
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-midnight-ink);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.df-hero p {
  font-size: 14px;
  color: var(--color-steel);
  line-height: 1.4;
  margin-bottom: 14px;
}

/* --- Search Box Component --- */
.df-search-wrapper {
  position: relative;
  max-width: 540px;
  margin: 0 auto 12px auto;
}

.df-search-input {
  width: 100%;
  padding: 10px 16px 10px 38px;
  font-size: 14px;
  border-radius: var(--radius-button);
  border: 1px solid var(--color-midnight-ink);
  background: var(--color-canvas-white);
}

.df-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-fog);
  pointer-events: none;
}

/* --- Cards & Grid (Compact Density) --- */
.df-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.df-card {
  background-color: var(--color-canvas-white);
  border: 1px solid var(--color-ash);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  transition: border-color 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.df-card:hover {
  border-color: var(--color-smoke);
  transform: translateY(-2px);
}

.df-card-icon {
  font-size: 22px;
  margin-bottom: 6px;
}

.df-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-midnight-ink);
  margin-bottom: 4px;
}

.df-card p {
  font-size: 13px;
  color: var(--color-steel);
  line-height: 1.35;
  margin-bottom: 10px;
  flex-grow: 1;
}

.df-card-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-electric-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.df-card.disabled {
  background-color: var(--color-paper-mist);
  opacity: 0.7;
}

.df-badge {
  display: inline-block;
  background-color: var(--color-ash);
  color: var(--color-slate);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  margin-top: 6px;
  align-self: flex-start;
}

/* --- Link Lists Component --- */
.df-link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.df-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-canvas-white);
  border: 1px solid var(--color-ash);
  border-radius: var(--radius-button);
  padding: 10px 14px;
  transition: all 0.2s ease;
}

.df-link-item:hover {
  border-color: var(--color-electric-blue);
  background-color: #f8fafc;
}

.df-link-title {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-charcoal);
  display: flex;
  align-items: center;
  gap: 8px;
}

.df-link-desc {
  font-size: 11.5px;
  color: var(--color-fog);
  margin-top: 1px;
}

/* --- Select Dropdown --- */
.df-select {
  width: 100%;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-midnight-ink);
  background-color: var(--color-canvas-white);
  border: 1px solid var(--color-midnight-ink);
  border-radius: var(--radius-input);
  outline: none;
  cursor: pointer;
}

/* --- Section Title --- */
.df-section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-midnight-ink);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Footer --- */
.df-footer {
  border-top: 1px solid var(--color-ash);
  padding: 24px 0;
  margin-top: 36px;
  background-color: var(--color-paper-mist);
}

.df-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--color-fog);
}

.df-footer-links {
  display: flex;
  gap: 16px;
  list-style: none;
}

.df-footer-links a:hover {
  color: var(--color-charcoal);
}

/* --- Responsive Helpers --- */
@media (max-width: 768px) {
  .df-hero h1 { font-size: 24px; }
  .df-hero p { font-size: 13px; }
  .df-navbar-inner { flex-direction: column; gap: 8px; height: auto; padding: 8px 0; }
  .df-nav-links { flex-wrap: wrap; justify-content: center; }
}