/* ==========================================================================
   FPAS Test Site - Styles
   Site estático para validação de First-Party Ad Serving
   ========================================================================== */

:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-primary: #2563eb;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-warning: #d97706;
  --color-border: #e5e7eb;
  --color-ad-bg: #f9fafb;
  --color-ad-border: #d1d5db;
  --color-log-bg: #1e1e2e;
  --color-log-text: #cdd6f4;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.site-logo span {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.875rem;
  margin-left: 0.5rem;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Ad Slots */
.ad-slot {
  background: var(--color-ad-bg);
  border: 2px dashed var(--color-ad-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
}

.ad-slot::before {
  content: 'AD';
  position: absolute;
  top: 4px;
  left: 8px;
  font-size: 0.625rem;
  background: var(--color-ad-border);
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--color-text-muted);
}

.ad-leaderboard {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 1.5rem auto;
}

.ad-rectangle {
  width: 300px;
  height: 250px;
}

.ad-skyscraper {
  width: 300px;
  height: 600px;
}

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  padding: 2rem 0;
}

/* Articles */
.articles-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.article-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.article-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.article-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.article-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Diagnostics Section */
.diagnostics-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.diagnostics-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.diagnostics-section .subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.test-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
}

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

.btn-secondary:hover {
  background: var(--color-border);
}

/* Test Results */
.test-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.test-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--color-border);
}

.test-card h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.test-card .test-url {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  word-break: break-all;
  margin-bottom: 0.75rem;
  font-family: monospace;
  background: var(--color-surface);
  padding: 0.375rem 0.5rem;
  border-radius: 4px;
}

.test-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.test-status.success {
  color: var(--color-success);
}

.test-status.error {
  color: var(--color-error);
}

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

.test-latency {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Summary */
.test-summary {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  font-weight: 500;
}

.test-summary.highlight-success {
  border-color: var(--color-success);
  background: #f0fdf4;
  color: var(--color-success);
}

.test-summary.highlight-error {
  border-color: var(--color-error);
  background: #fef2f2;
  color: var(--color-error);
}

.test-summary.highlight-warning {
  border-color: var(--color-warning);
  background: #fffbeb;
  color: var(--color-warning);
}

/* Log Console */
.log-console {
  background: var(--color-log-bg);
  border-radius: var(--radius);
  margin: 2rem 0;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: #181825;
  border-bottom: 1px solid #313244;
}

.log-header h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #a6adc8;
}

.log-header button {
  font-size: 0.75rem;
  background: none;
  border: 1px solid #45475a;
  color: #a6adc8;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
}

.log-header button:hover {
  background: #313244;
}

.log-entries {
  padding: 1rem;
  max-height: 400px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.8rem;
  line-height: 1.8;
}

.log-entry {
  display: flex;
  gap: 0.75rem;
  padding: 0.125rem 0;
}

.log-entry .log-time {
  color: #6c7086;
  white-space: nowrap;
}

.log-entry .log-type {
  min-width: 50px;
  font-weight: 600;
}

.log-entry .log-msg {
  color: var(--color-log-text);
  word-break: break-all;
}

.log-entry.log-info .log-type {
  color: #89b4fa;
}

.log-entry.log-success .log-type {
  color: #a6e3a1;
}

.log-entry.log-error .log-type {
  color: #f38ba8;
}

.log-entry.log-warn .log-type {
  color: #f9e2af;
}

/* Responsive */
@media (max-width: 900px) {
  .main-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .ad-leaderboard {
    max-width: 100%;
    height: 60px;
  }

  .test-results {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .site-header .container {
    flex-direction: column;
    gap: 0.75rem;
  }

  .site-nav a {
    margin-left: 1rem;
  }

  .test-controls {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}