/* ODE Brand Implementation Guide
   Observatório de Dados da Extensão
   ====================================== */

/* ============================================
   1. CSS VARIABLES (Root)
   ============================================ */
:root {
  /* Primary Colors */
  --color-brand-dark: #052630;
  --color-brand-main: #094454;
  --color-brand-accent: #4fd1c5;

  /* Secondary Colors */
  --color-gold: #C19A3A;
  --color-green: #5A8D6A;

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-light: #F5F7F9;
  --color-border: #D4DADF;
  --color-gray: #6B7684;
  --color-text: #0F1419;

  /* Status Colors */
  --color-success: #5A8D6A;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* Spacing Scale */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);

  /* Z-index */
  --z-dropdown: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;
}

/* ============================================
   2. TYPOGRAPHY
   ============================================ */

/* Font Families */
:root {
  --font-sans: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'Monaco', 'Courier New', monospace;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
}

/* Headings */
h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--color-brand-dark);
}

h2 {
  font-size: 36px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.25px;
  color: var(--color-brand-dark);
}

h3 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-brand-dark);
}

h4 {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-brand-dark);
}

h5 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-brand-dark);
}

h6 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-brand-dark);
}

/* Text Sizes */
.text-lg {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
}

.text-body {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

.text-sm {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
}

.text-xs {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
}

.text-caption {
  font-size: 11px;
  font-weight: 400;
  line-height: 1.5;
}

/* Text Weights */
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Code */
code, pre {
  font-family: var(--font-mono);
  background-color: var(--color-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

pre {
  padding: var(--spacing-lg);
  overflow-x: auto;
  border: 1px solid var(--color-border);
}

/* ============================================
   3. BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

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

/* Button Variants */
.btn-primary {
  background-color: var(--color-brand-main);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-brand-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-brand-main);
  border: 2px solid var(--color-brand-main);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-light);
  border-color: var(--color-brand-dark);
  color: var(--color-brand-dark);
}

.btn-accent {
  background-color: var(--color-brand-accent);
  color: var(--color-brand-dark);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.btn-accent:hover:not(:disabled) {
  background-color: #3DB8B0;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-danger:hover:not(:disabled) {
  background-color: #DC2626;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border: none;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-light);
}

/* Button Sizes */
.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* ============================================
   4. FORMS
   ============================================ */

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--spacing-xl);
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

label .required {
  color: var(--color-error);
  margin-left: 4px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), 
              box-shadow var(--transition-fast);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
textarea::placeholder {
  color: var(--color-gray);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-brand-accent);
  box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.1);
}

input[type="text"]:disabled,
input[type="email"]:disabled,
textarea:disabled {
  background-color: var(--color-light);
  color: var(--color-gray);
  cursor: not-allowed;
}

.help-text {
  font-size: 12px;
  color: var(--color-gray);
  margin-top: var(--spacing-md);
  display: block;
}

.form-error {
  border-color: var(--color-error) !important;
  background-color: #FEE2E2 !important;
}

.error-message {
  color: var(--color-error);
  font-size: 12px;
  margin-top: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ============================================
   5. CARDS
   ============================================ */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-header {
  padding: var(--spacing-xl);
  background-color: var(--color-light);
  border-bottom: 1px solid var(--color-border);
}

.card-header h3 {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 20px;
  color: var(--color-brand-dark);
}

.card-header p {
  margin: 0;
  font-size: 14px;
  color: var(--color-gray);
}

.card-body {
  padding: var(--spacing-xl);
}

.card-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  background-color: var(--color-light);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-md);
}

/* ============================================
   6. BADGES & TAGS
   ============================================ */

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid;
  white-space: nowrap;
}

.badge-success {
  background-color: #EEF5F0;
  color: var(--color-green);
  border-color: var(--color-green);
}

.badge-warning {
  background-color: #FEF3C7;
  color: #D97706;
  border-color: #D97706;
}

.badge-error {
  background-color: #FEE2E2;
  color: var(--color-error);
  border-color: var(--color-error);
}

.badge-info {
  background-color: #EFF6FF;
  color: var(--color-info);
  border-color: var(--color-info);
}

.badge-gold {
  background-color: #FEF7E8;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.badge-teal {
  background-color: #E6F9F7;
  color: var(--color-brand-accent);
  border-color: var(--color-brand-accent);
}

/* ============================================
   7. ALERTS & NOTIFICATIONS
   ============================================ */

.alert {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin-bottom: var(--spacing-xl);
}

.alert-success {
  background-color: #EEF5F0;
  border-left-color: var(--color-green);
  color: #1F4620;
}

.alert-warning {
  background-color: #FEF3C7;
  border-left-color: #F59E0B;
  color: #78350F;
}

.alert-error {
  background-color: #FEE2E2;
  border-left-color: var(--color-error);
  color: #7F1D1D;
}

.alert-info {
  background-color: #EFF6FF;
  border-left-color: var(--color-info);
  color: #1E3A8A;
}

/* ============================================
   8. CARDS ESPECIAIS
   ============================================ */

/* Admin Dashboard Card */
.card-metric {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand-main) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl);
}

.card-metric-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-brand-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
}

.card-metric-value {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.card-metric-change {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.card-metric.trending-up .card-metric-change {
  color: #86EFAC;
}

.card-metric.trending-down .card-metric-change {
  color: #FCA5A5;
}

/* ============================================
   9. LAYOUT UTILITIES
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ============================================
   10. HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand-main) 100%);
  background-image: 
    linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand-main) 100%),
    url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%234fd1c5" fill-opacity="0.08"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  background-size: 100%, 60px 60px;
  color: var(--color-white);
  padding: var(--spacing-3xl) var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 18px;
  color: var(--color-brand-accent);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

/* ============================================
   11. ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
  :root {
    --color-gray: #333;
    --color-border: #000;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-light: #1a1a1a;
    --color-white: #0F0F0F;
    --color-border: #333;
    --color-text: #F5F5F5;
  }

  body {
    background-color: #0a0a0a;
  }

  input[type="text"],
  input[type="email"],
  textarea {
    background-color: #1a1a1a;
    border-color: #333;
    color: #F5F5F5;
  }

  .card {
    background-color: #1a1a1a;
    border: 1px solid #333;
  }
}

/* ============================================
   12. RESPONSIVE BREAKPOINTS
   ============================================ */

@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 28px; }
  h3 { font-size: 24px; }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }

  .card-footer {
    flex-direction: column;
  }
}

/* ============================================
   13. UTILITIES
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-muted { color: var(--color-gray); }
.text-success { color: var(--color-green); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

.bg-dark { background-color: var(--color-brand-dark); }
.bg-main { background-color: var(--color-brand-main); }
.bg-accent { background-color: var(--color-brand-accent); }
.bg-light { background-color: var(--color-light); }
.bg-white { background-color: var(--color-white); }

.rounded { border-radius: var(--radius-lg); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.hidden { display: none; }
.invisible { visibility: hidden; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   14. PRINT STYLES
   ============================================ */

@media print {
  body {
    background: white;
    color: black;
  }

  .btn {
    border: 1px solid #000;
    background: white;
  }

  a {
    text-decoration: underline;
  }
}