/* ============================================================
   app-shell.css — Shared header, nav, and layout shell
   Applies to: dashboard.html, history.html, gallery.html, index.html
   ============================================================ */

body {
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ─────────────────────────────────────────────── */
.app-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 2rem;
  border-radius: 0 !important;
  border-left: none !important;
  border-right: none !important;
  border-top: none !important;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.header-logo {
  display: inline-block !important;
  font-family: 'Bangers', cursive !important;
  font-size: 1.7rem !important;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px !important;
  color: #ffffff !important;
  text-shadow: 2px 2px 0px #000;
  text-decoration: none !important;
  background: linear-gradient(135deg, #e8324a 0%, #ff5e97 100%) !important;
  padding: 0.4rem 1.2rem !important;
  transform: skewX(-12deg) rotate(-2deg);
  border: 4px double #000000 !important;
  box-shadow: 5px 5px 0px #000000 !important;
  flex-shrink: 0;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.header-logo:hover {
  transform: skewX(-12deg) rotate(-2deg) scale(1.05) !important;
  box-shadow: 7px 7px 0px #000000 !important;
}
.header-logo span { display: none; }

.header-nav {
  display: flex;
  gap: 0.4rem;
  flex: 1;
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  border-radius: 0px !important;
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: all 0.2s;
  border: 2px solid transparent;
}
.nav-link:hover {
  color: var(--accent-color) !important;
  background: transparent !important;
}
.nav-link.active {
  color: #fff !important;
  background: var(--accent-color) !important;
  border: 2px solid #000 !important;
  box-shadow: 2px 2px 0px #000 !important;
  border-radius: 0px !important;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-shrink: 0;
}

/* Credit badge */
.credit-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: #000000 !important;
  border: 2px solid #000000 !important;
  box-shadow: 3px 3px 0px var(--accent-color) !important;
  border-radius: 0px !important;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 800;
  color: #ffffff !important;
  cursor: default;
  user-select: none;
  transform: skewX(-6deg);
  transition: all 0.2s;
}
.credit-badge:hover {
  box-shadow: 4px 4px 0px var(--accent-color) !important;
}
.credit-icon { font-size: 0.9rem; color: var(--accent-color); }

/* User menu */
.user-menu { position: relative; }
.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 0px !important;
  border: 2px solid #000 !important;
  box-shadow: 2px 2px 0px #000 !important;
  background: var(--accent-color) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  cursor: pointer;
  user-select: none;
  transform: skewX(-5deg);
  transition: transform 0.2s, box-shadow 0.2s;
}
.user-avatar:hover {
  transform: skewX(-5deg) scale(1.05);
  box-shadow: 3px 3px 0px var(--accent-color) !important;
}

.user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 0.8rem);
  min-width: 200px;
  padding: 0.5rem;
  border-radius: 0px !important;
  border: 3px solid #000000 !important;
  box-shadow: 5px 5px 0px #000000 !important;
  background: #111111 !important;
  display: none;
  flex-direction: column;
  gap: 0.15rem;
  z-index: 200;
}
.user-dropdown.open { display: flex; }

.dropdown-email {
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dropdown-divider {
  border: none;
  border-top: 2px solid #000;
  margin: 0.2rem 0;
}
.dropdown-item {
  padding: 0.55rem 0.75rem;
  border-radius: 0px !important;
  font-size: 0.88rem;
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  transition: all 0.15s;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Nunito', sans-serif !important;
  width: 100%;
}
.dropdown-item:hover {
  background: var(--accent-color) !important;
  color: #ffffff !important;
}
.dropdown-logout { color: #f87171; }
.dropdown-logout:hover { background: #991b1b !important; color: #fff !important; }

/* Header — show login/register links if not logged in */
.header-auth-links {
  display: flex;
  gap: 0.5rem;
}
.auth-link-btn {
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}
.auth-link-btn.outline {
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.12);
}
.auth-link-btn.outline:hover { border-color: var(--accent-color); color: var(--accent-color); }
.auth-link-btn.filled {
  background: var(--accent-color);
  color: white;
}
.auth-link-btn.filled:hover { background: #7c3aed; }

/* Section headings */
.section-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

/* Form group reuse */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group textarea,
.form-group select,
.form-group input[type="text"],
.form-group input[type="email"] {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.92rem;
  padding: 0.65rem 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  resize: none;
}
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.2);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b5cf6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
  cursor: pointer;
}
.form-group select option { background: #1e1b4b; }

/* Hamburger Button (hidden on desktop) */
.hamburger-btn {
  display: none;
}

/* Responsive nav collapse and hamburger menu under 768px */
@media (max-width: 768px) {
  .app-header {
    padding: 0.75rem 1.25rem;
    justify-content: space-between;
  }
  
  /* Hide standard header-nav layout, style as slide-out drawer */
  .header-nav {
    display: none; /* fallback */
    position: fixed;
    top: 0;
    right: -280px; /* Hide offscreen */
    width: 280px;
    height: 100vh;
    background: #000000;
    border-left: var(--manga-border-width, 4px) solid #000000;
    box-shadow: -5px 0 0 #151515, -10px 0 25px rgba(0, 0, 0, 0.7);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 1.5rem 2rem 1.5rem;
    gap: 1.25rem;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 120;
    box-sizing: border-box;
  }
  
  .header-nav.open {
    display: flex !important;
    right: 0;
  }

  .nav-link {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1.1rem;
    border-radius: 0;
    border: 3px solid #000;
    box-shadow: 3px 3px 0 #000;
    box-sizing: border-box;
    text-align: center;
  }
  
  .nav-link.active {
    background: var(--accent-color) !important;
    color: #fff !important;
  }
  
  /* Hamburger button styling */
  .hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 130;
    position: relative;
  }
  
  .hamburger-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-radius: 2px;
  }
  
  .hamburger-btn.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger-btn.open span:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger-btn.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .header-logo {
    font-size: 1.5rem !important;
  }
  
  .header-right {
    gap: 0.75rem;
  }
}

@media (max-width: 375px) {
  .header-logo {
    font-size: 1.25rem !important;
    padding: 0.2rem 0.5rem !important;
  }
  .header-right {
    gap: 0.4rem;
  }
  .credit-badge {
    padding: 0.25rem 0.4rem !important;
    font-size: 0.75rem !important;
  }
  .user-avatar {
    width: 28px !important;
    height: 28px !important;
    font-size: 0.8rem !important;
  }
}


/* ── Nav Backdrop (mobile drawer overlay) ── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  /* MUST stay below .app-header's stacking context (position:sticky; z-index:100).
     The slide-out drawer (.header-nav) is a CHILD of .app-header, so its z-index:120
     is only 120 *within* the header's level-100 context. A backdrop at z:110 (a
     body-level element) therefore painted ABOVE the drawer and swallowed every tap on
     the nav links — breaking tab switching on all drawer pages (index/history/gallery/
     vault). At z:99 the whole header subtree (drawer + hamburger) sits above the
     backdrop, while the backdrop still covers page content and closes the drawer when
     tapped outside. [QA 2026-06-30] */
  z-index: 99;
  backdrop-filter: blur(2px);
}
.nav-backdrop.active {
  display: block;
}

/* ── Halftone Background Pattern ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* All direct children of body should be above the halftone */
body > * { position: relative; z-index: 1; }

/* ── Button Press Animation ── */
.glow-button {
  transition: transform 0.1s ease, box-shadow 0.1s ease !important;
}
.glow-button:active {
  transform: translate(2px, 2px) !important;
  box-shadow: 2px 2px 0 #000 !important;
}

/* ── Logo enhanced hover ── */
.header-logo {
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease !important;
}
.header-logo:hover {
  transform: skewX(-12deg) rotate(-2deg) scale(1.08) !important;
  box-shadow: 9px 9px 0px #000000, 0 0 20px rgba(232, 50, 74, 0.3) !important;
}