/* ==========================================================================
   XYZ Tools - Layout, Sidebar & Redesigned Modals (Sobre & Novidades)
   ========================================================================== */

/* Main App Container */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--bg-sidebar-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.sidebar-header {
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.brand-logo-img {
  height: 26px;
  width: auto;
  filter: var(--logo-filter);
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.03);
}

/* Beautiful Sidebar Capsule for TOOLS */
.brand-capsule-tools {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.18) 0%, rgba(16, 185, 129, 0.18) 100%);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: #38bdf8;
  text-transform: uppercase;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

/* Sidebar Search Box */
.sidebar-search-box {
  padding: 0.75rem 0.95rem;
}

.sidebar-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.sidebar-search-icon {
  position: absolute;
  left: 10px;
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}

.sidebar-search-input {
  width: 100%;
  padding: 7px 10px 7px 32px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 0.65rem;
  color: var(--text-primary);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  outline: none;
}

.sidebar-search-input:focus {
  border-color: var(--accent-primary);
  background-color: var(--bg-input-focus);
}

/* Sidebar Nav Scroll Area */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Sidebar Home Link */
.nav-home-section {
  margin-bottom: 4px;
}

/* Nav Group & Accordion */
.nav-group {
  margin-bottom: 4px;
}

.nav-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  cursor: pointer;
  user-select: none;
  border-radius: 0.5rem;
  transition: background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.nav-group-header:hover {
  background-color: var(--bg-sidebar-hover);
}

/* Slightly smaller category titles for clear visual hierarchy */
.nav-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.cat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.nav-group-chevron {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
}

.nav-group.collapsed .nav-group-chevron {
  transform: rotate(-90deg);
}

.nav-group.collapsed .nav-list {
  display: none;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
}

.nav-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 0.65rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.nav-item-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--category-accent, var(--accent-primary));
  transition: transform var(--transition-fast);
}

.nav-icon svg {
  width: 17px;
  height: 17px;
}

.nav-item-link:hover {
  background-color: var(--bg-sidebar-hover);
  color: var(--text-primary);
}

.nav-item-link:hover .nav-icon {
  transform: scale(1.12);
}

/* Active Link State */
.nav-item-link.active {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-weight: 600;
  border: 1px solid var(--border-subtle);
}

.nav-item-link.active .nav-icon {
  color: var(--category-accent, var(--accent-primary));
}

/* Sidebar Footer (Feito no Brasil) */
.sidebar-footer {
  padding: 0.85rem 0.95rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Feito no Brasil Badge */
.made-in-br-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  user-select: none;
}

.heart-br-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  animation: brazilHeartFlow 14s infinite ease-in-out;
}

@keyframes brazilHeartFlow {
  0% {
    color: #10b981;
    fill: #10b981;
    transform: scale(1);
  }
  25% {
    color: #f59e0b;
    fill: #f59e0b;
    transform: scale(1.08);
  }
  50% {
    color: #3b82f6;
    fill: #3b82f6;
    transform: scale(1);
  }
  75% {
    color: #eab308;
    fill: #eab308;
    transform: scale(1.08);
  }
  100% {
    color: #10b981;
    fill: #10b981;
    transform: scale(1);
  }
}

/* Header Action Buttons (Responsive Text/Icon) */
.btn-header-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 0.65rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-header-nav:hover {
  color: var(--text-primary);
}

.btn-header-label {
  font-size: 0.8125rem;
  font-weight: 500;
}

@media (max-width: 768px) {
  .btn-header-label {
    display: none !important;
  }
  .btn-header-nav {
    padding: 8px !important;
  }
}

.btn-about-yellow {
  color: #f59e0b !important;
}

.btn-about-yellow:hover {
  color: #fbbf24 !important;
  background-color: rgba(245, 158, 11, 0.1) !important;
}

.btn-changelog-sparkle {
  color: #06b6d4 !important;
}

.btn-changelog-sparkle:hover {
  color: #38bdf8 !important;
  background-color: rgba(6, 182, 212, 0.1) !important;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */
.app-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

/* Header */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-app);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 30;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.mobile-menu-btn {
  display: none;
  color: var(--text-secondary);
  padding: 6px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
}

.header-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

.header-breadcrumb a:hover {
  color: var(--text-primary);
}

.header-breadcrumb-separator {
  color: var(--border-medium);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kbd-shortcut {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 5px;
  border-radius: var(--radius-xs);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* Main Canvas */
.app-main {
  flex: 1;
  padding: var(--space-lg) var(--space-xl);
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}

/* Active Tool Banner & Category Capsule */
.tool-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

.tool-title-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: fit-content;
}

.tool-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.tool-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Redesigned Modals: Sobre & Novidades
   ========================================================================== */
.modal-about-hero {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.modal-about-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

.modal-about-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.author-badge-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 0.75rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.pix-donation-card {
  padding: 16px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid rgba(245, 158, 11, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.pix-qr-image {
  width: 140px;
  height: 140px;
  border-radius: 8px;
  background-color: #ffffff;
  padding: 6px;
  box-shadow: var(--shadow-sm);
}

/* Integrated Pix Key Box */
.pix-key-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 320px;
  padding: 6px 8px 6px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pix-key-box:hover {
  border-color: var(--accent-primary);
  background-color: var(--bg-surface-elevated);
}

.pix-key-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
  user-select: all;
}

.pix-copy-inner-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 0.5rem;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  color: var(--btn-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pix-key-box:hover .pix-copy-inner-btn {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

/* Beta Alert Box in Changelog */
.beta-alert-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 0.75rem;
  margin-bottom: 16px;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.beta-alert-box strong {
  color: var(--color-warning);
}

.changelog-tool-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 0.75rem;
  transition: border-color var(--transition-fast);
}

.changelog-tool-item:hover {
  border-color: var(--border-active);
}

/* ==========================================================================
   Responsive & Mobile Drawer
   ========================================================================== */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.sidebar-backdrop.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 900px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
    z-index: 100;
  }

  .app-sidebar.open {
    transform: translateX(0);
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .app-main {
    padding: var(--space-md);
  }

  .nav-item-link {
    font-size: 0.98rem;
    padding: 10px 12px;
  }
}