/**
 * RaceDesk - Layout Shell Styles
 * Header (Logo, Dynamic Title, Login, Language Switcher), Full-Width Content, Footer
 */

.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* =========================================
   1. GLOBAL APP HEADER
   ========================================= */
.app-header {
  background-color: var(--color-header-bg);
  color: var(--color-header-text);
  border-bottom: 1px solid var(--color-header-border);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.header-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.header-title-divider {
  width: 1px;
  height: 24px;
  background-color: #334155;
}

.header-content-title {
  font-size: 17px;
  font-weight: 600;
  color: #f1f5f9;
  letter-spacing: -0.01em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Header Navigation & Buttons */
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}

.header-nav-btn,
.header-nav .btn,
.app-header .btn-auth,
.app-header .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #1e293b;
  color: #f8fafc;
  border: 1px solid #334155;
  padding: 6px 14px;
  min-height: 32px;
  font-size: 13px !important;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
  transition: all 0.15s ease;
}

.header-nav-btn:hover,
.header-nav .btn:hover,
.app-header .btn-auth:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.header-nav-btn.active,
.header-nav-btn.btn-primary,
.header-nav .btn.btn-primary,
.header-nav .btn-primary,
.app-header .btn-primary {
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: #ffffff;
  font-size: 13px !important;
  font-weight: 600;
  padding: 6px 14px;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.4);
}

/* Language Selector */
.lang-selector {
  display: flex;
  align-items: center;
  background: #1e293b;
  border-radius: var(--radius-md);
  padding: 2px;
  border: 1px solid #334155;
}

.lang-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 12px !important;
  font-weight: 700;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.12s ease;
  line-height: 1.2;
}
.lang-btn:hover {
  color: #ffffff;
}
.lang-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  font-size: 12px !important;
  font-weight: 700;
}

/* =========================================
   2. MAIN CONTENT AREA (Full-Width)
   ========================================= */
.app-main {
  flex: 1 0 auto;
  background-color: var(--color-content-bg);
  width: 100%;
  padding: 24px;
}

.page-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-heading {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

.page-subheading {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* =========================================
   3. FOOTER
   ========================================= */
.app-footer {
  background-color: #f8fafc;
  border-top: 1px solid var(--color-border);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.footer-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* =========================================
   4. RESPONSIVE BREAKPOINTS
   ========================================= */
@media (max-width: 768px) {
  .app-header {
    padding: 0 12px;
    height: 56px;
  }
  .header-title-divider, .header-content-title {
    display: none;
  }
  .app-main {
    padding: 12px;
  }
  .app-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 12px;
  }
}