/**
 * base.css — Global Base Styles for newsletterBot
 *
 * Provides universal reset, typography, button/alert components,
 * layout containers, footer, and responsive breakpoints.
 *
 * All colors reference CSS custom properties from themes.css —
 * no hardcoded color values.
 *
 * Extracted from src/views/layouts/main.hbs (base styles) and
 * src/views/partials/sidebar-navigation.hbs (body reset).
 */

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

/* Body reset from sidebar-navigation + main layout */
body {
  margin: 0;
  padding: 20px;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--nb-text);
  background-color: var(--nb-surface);
}

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--nb-bg);
  padding: 40px;
}

/* Unified Page Container — shared dimensions for all page types */
.page-container,
.content-guide-page,
.style-guide-page,
.extract-facts-page,
.create-newsletter-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px;
}

/* Content containers — ensure they don't exceed page width */
.content-guide-container,
.style-guide-container,
.newsletter-container {
  max-width: 100%;
}

/* View content containers for historical document pages */
.view-content {
  background: var(--nb-bg);
  padding: 40px;
}

/* === TYPOGRAPHY === */
h1 {
  color: var(--nb-text);
  margin-bottom: 16px;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 36px;
}

h2 {
  color: var(--nb-text);
  margin-bottom: 20px;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 28px;
}

/* === HEADER === */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 4px solid var(--nb-border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* === BUTTON STYLES === */
.btn {
  padding: 12px 20px;
  border: 3px solid var(--nb-border);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  transition: all 0.1s;
  box-shadow: 4px 4px 0 var(--nb-border);
  /* Reserve space for shadow to prevent layout shift */
  margin-right: 4px;
  margin-bottom: 4px;
}

.btn:hover {
  /* Keep button in same position, only change shadow for no layout shift */
  box-shadow: 3px 3px 0 var(--nb-border);
}

.btn-primary {
  background-color: var(--nb-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--nb-primary-dark);
  color: white;
}

.btn-secondary {
  background-color: var(--nb-surface);
  color: var(--nb-text);
  border: 3px solid var(--nb-border);
}

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

.btn-success {
  background-color: var(--nb-success);
  color: white;
}

.btn-success:hover {
  background-color: var(--nb-success-dark);
  color: white;
}

.btn-danger {
  background-color: var(--nb-danger);
  color: white;
}

.btn-danger:hover {
  background-color: var(--nb-danger-dark);
  color: white;
}

/* === ALERT STYLES === */
.alert {
  padding: 16px 20px;
  margin-bottom: 20px;
  border: 3px solid var(--nb-border);
  box-shadow: 4px 4px 0 var(--nb-border);
  font-weight: 600;
}

.alert-error {
  background-color: var(--nb-danger);
  color: white;
}

.alert-success {
  background-color: var(--nb-success);
  color: white;
}

.alert-info {
  background-color: var(--nb-amber-light);
  color: var(--nb-text);
  border-color: var(--nb-amber);
}

/* === CONTENT === */
.content {
  margin-top: 20px;
}

/* === FOOTER === */
footer {
  margin-top: 60px;
  padding: 24px;
  border-top: 4px solid var(--nb-border);
  text-align: center;
  background: var(--nb-surface);
  border: 4px solid var(--nb-border);
  box-shadow: 6px 6px 0 var(--nb-border);
}

footer p {
  color: var(--nb-text);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

footer svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* === RESPONSIVE BREAKPOINTS === */

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
  body {
    padding: 12px 8px;
  }

  .container {
    padding: 24px 12px;
  }

  .page-container,
  .content-guide-page,
  .style-guide-page,
  .extract-facts-page,
  .create-newsletter-page {
    padding: 32px 16px;
  }
}

/* Mobile (≤ 768px) */
@media (max-width: 768px) {
  body {
    padding: 8px 6px;
  }

  .container {
    padding: 16px 10px;
  }

  .page-container,
  .content-guide-page,
  .style-guide-page,
  .extract-facts-page,
  .create-newsletter-page {
    padding: 24px 14px;
  }

  .view-content {
    padding: 24px 14px;
  }
}

/* Small phone (≤ 480px) */
@media (max-width: 480px) {
  body {
    padding: 4px 4px;
  }

  .container {
    padding: 12px 8px;
  }

  .page-container,
  .content-guide-page,
  .style-guide-page,
  .extract-facts-page,
  .create-newsletter-page {
    padding: 20px 12px;
  }

  .view-content {
    padding: 20px 12px;
  }
}