/**
 * Sticky Header Component
 * Mobile-first sticky header with hamburger menu
 * Replaces floating hamburger button with organized header structure
 */

:root {
  --header-height: 56px;
  --header-bg: white;
  --header-text: #5a5c69;
  --header-border: #e3e6f0;
  --header-shadow: rgba(58, 59, 69, 0.08);
}

/* Sticky Header Container */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 2px 4px var(--header-shadow);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 1rem;
}

/* Header Content - Flexbox layout */
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  gap: 1rem;
}

/* Hamburger Button - Inside Header */
.hamburger-btn {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: #1A4A91;
  font-size: 1.25rem;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0.375rem;
}

.hamburger-btn:hover {
  background-color: #f8f9fc;
}

.hamburger-btn:active {
  background-color: #f0f2f8;
}

.hamburger-btn i {
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger-btn:hover i {
  transform: scale(1.15);
}

/* Page Title - Center area */
.page-title {
  flex: 1;
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--header-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Header Actions - Right side (notifications, search, etc) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Mobile - Show hamburger and adjust layout */
@media (max-width: 768px) {
  .sticky-header {
    padding: 0 0.75rem;
    gap: 0.75rem;
  }

  .hamburger-btn {
    display: flex;
  }

  .page-title {
    font-size: 0.95rem;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .sticky-header {
    padding: 0 0.5rem;
    gap: 0.5rem;
  }

  .page-title {
    font-size: 0.9rem;
  }

  .hamburger-btn {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
}

/* Adjust main content for sticky header */
.main-content {
  padding-top: 1.5rem;
}

@media (max-width: 768px) {
  .main-content {
    padding-top: 1rem;
  }
}

/* Remove old hamburger button styles that are now in header */
.hamburger-btn-fixed {
  display: none !important;
}