/* ============================================================
   neirostat.ru — Modern CSS Stylesheet
   ============================================================ */

/* ── Google Fonts (Inter) ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── CSS Variables ── */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-accent: #10b981;
  --color-accent-dark: #059669;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #212529;
  --color-text-secondary: #6c757d;
  --color-text-muted: #adb5bd;
  --color-border: #dee2e6;
  --color-footer-bg: #e9ecef;
  --color-error: #dc3545;
  --color-success: #198754;
  --color-warning: #ffc107;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  --transition: 0.2s ease;
  --max-content-width: 720px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ── Header ── */
.site-header {
  width: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  animation: headerGlow 8s ease-in-out infinite alternate;
}

@keyframes headerGlow {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(30px, 20px); }
}

.site-header h1 {
  font-size: 2rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.site-header .subtitle {
  margin-top: 0.4rem;
  opacity: 0.9;
  font-size: 1rem;
  font-weight: 400;
  position: relative;
  z-index: 1;
}

/* ── Navigation ── */
.site-nav {
  width: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-nav .nav-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0.6rem 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom-color: var(--color-primary);
}

/* ── Main container ── */
.main-container {
  width: 100%;
  max-width: var(--max-content-width);
  padding: 1.5rem 1rem 2rem;
  flex: 1;
}

/* ── Card ── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

/* ── Form ── */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.form-group input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group input[type="text"]::placeholder {
  color: var(--color-text-muted);
}

.hint {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-top: 0.3rem;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: opacity var(--transition), transform 0.1s ease, box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  opacity: 0.92;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  color: #fff;
  transition: opacity var(--transition), transform 0.1s ease;
}

.btn-secondary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.97);
}

.btn-copy {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.btn-download {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

/* ── Logs ── */
.logs-card {
  display: none;
}

.logs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.logs-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

#logs-container {
  max-height: 320px;
  overflow-y: auto;
  background: #1e1e2e;
  color: #cdd6f4;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  padding: 1rem;
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
  word-break: break-word;
  scrollbar-width: thin;
  scrollbar-color: #45475a #1e1e2e;
}

#logs-container::-webkit-scrollbar {
  width: 6px;
}

#logs-container::-webkit-scrollbar-track {
  background: #1e1e2e;
}

#logs-container::-webkit-scrollbar-thumb {
  background: #45475a;
  border-radius: 3px;
}

#logs-container .log-line {
  margin-bottom: 2px;
}

#logs-container .log-error {
  color: #f38ba8;
}

/* ── Status badge ── */
.badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-running {
  background: #fef3c7;
  color: #92400e;
}

.badge-done {
  background: #d1fae5;
  color: #065f46;
}

.badge-error {
  background: #fee2e2;
  color: #991b1b;
}

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ── Result section ── */
.result-section {
  display: none;
}

.result-meta {
  margin-bottom: 1rem;
}

.result-meta h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}

.result-meta p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 0.2rem;
}

#article-editor {
  width: 100%;
  min-height: 400px;
  padding: 1.2rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.7;
  resize: vertical;
  background: #fafbfc;
  color: var(--color-text);
  white-space: pre-wrap;
  word-break: break-word;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

#article-editor:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  background: var(--color-surface);
}

.action-buttons {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* ── Ad block placeholder ── */
.ad-block {
  text-align: center;
  padding: 1.5rem 1rem;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ── Footer ── */
.site-footer {
  width: 100%;
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 1rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── Content pages (privacy, terms, about, contacts) ── */
.content-page {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
  flex: 1;
}

.content-page h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-text);
  line-height: 1.3;
}

.content-page h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  color: var(--color-text);
}

.content-page p {
  margin-bottom: 1rem;
  color: var(--color-text);
  line-height: 1.75;
}

.content-page ul,
.content-page ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.content-page li {
  margin-bottom: 0.4rem;
  line-height: 1.6;
}

.content-page .back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.content-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
}

/* ── Responsive: Tablets ── */
@media (max-width: 768px) {
  .site-header {
    padding: 2rem 1rem 1.5rem;
  }

  .site-header h1 {
    font-size: 1.6rem;
  }

  .site-header .subtitle {
    font-size: 0.9rem;
  }

  .main-container {
    padding: 1rem 0.8rem 1.5rem;
  }

  .card {
    padding: 1.3rem;
    border-radius: var(--radius-md);
  }
}

/* ── Responsive: Mobile ── */
@media (max-width: 480px) {
  .site-header {
    padding: 1.5rem 0.8rem 1.2rem;
  }

  .site-header h1 {
    font-size: 1.35rem;
  }

  .site-header .subtitle {
    font-size: 0.85rem;
  }

  .site-nav .nav-inner {
    gap: 0.8rem;
    padding: 0.5rem 0.6rem;
  }

  .site-nav a {
    font-size: 0.82rem;
  }

  .main-container {
    padding: 0.8rem 0.6rem 1rem;
  }

  .card {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
  }

  .form-group input[type="text"] {
    padding: 0.65rem 0.8rem;
    font-size: 0.95rem;
  }

  .btn-primary {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  #logs-container {
    max-height: 220px;
    font-size: 0.75rem;
    padding: 0.8rem;
  }

  #article-editor {
    min-height: 300px;
    padding: 0.9rem;
    font-size: 0.85rem;
  }

  .action-buttons {
    flex-direction: column;
  }

  .action-buttons .btn-secondary {
    width: 100%;
  }

  .footer-links {
    gap: 0.8rem;
  }

  .footer-links a {
    font-size: 0.8rem;
  }

  .content-page {
    padding: 1.2rem 0.6rem 2rem;
  }

  .content-page h1 {
    font-size: 1.4rem;
  }

  .content-card {
    padding: 1.2rem;
  }
}

/* ── Utility: animation for loading ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

/* ── Print styles ── */
@media print {
  .site-header, .site-nav, .site-footer, .ad-block,
  .action-buttons, .logs-card { display: none !important; }

  body { background: #fff; }

  .card { box-shadow: none; border: 1px solid #ccc; }

  #article-editor {
    border: none;
    background: #fff;
    font-size: 12pt;
  }
}
/* Центрирование основного контента */
.main-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}