/* ===== APP WRAPPER ===== */
.app-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER ===== */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(11, 14, 23, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  height: var(--header-height);
  transition: all 0.3s ease;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-4);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--accent);
  flex-shrink: 0;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}

.header-logo:hover {
  transform: scale(1.05);
}

.header-logo svg {
  width: 32px;
  height: 32px;
}

.logo-accent {
  color: var(--text-primary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: var(--sp-4);
}

.header-nav a {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast), text-shadow 0.3s ease;
}

.header-nav a:hover {
  color: var(--accent);
  text-shadow: 0 0 8px rgba(0, 163, 255, 0.3);
}

.header-nav a.router-link-active,
.header-nav a.router-link-exact-active {
  color: var(--accent);
  text-shadow: 0 0 8px rgba(0, 163, 255, 0.3);
}

.header-search {
  flex: 1;
  max-width: 360px;
  position: relative;
  margin-left: auto;
}

.header-search .search-icon {
  position: absolute;
  left: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-sm);
  color: var(--text-muted);
  pointer-events: none;
}

.header-search input {
  width: 100%;
  padding: 7px var(--sp-3) 7px 34px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow 0.3s ease;
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(0, 163, 255, 0.15);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.hamburger-btn {
  display: none;
  font-size: 20px;
  padding: var(--sp-1);
  color: var(--text-secondary);
}

/* ===== MAIN LAYOUT ===== */
main {
  flex: 1;
}

.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--sp-5) var(--sp-4);
}

.page-with-sidebar {
  display: grid;
  grid-template-columns: var(--sidebar-left) 1fr var(--sidebar-right);
  gap: var(--sp-5);
  align-items: start;
}

.page-content {
  min-width: 0;
}

.page-full {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ===== LEFT SIDEBAR ===== */
.sidebar-left {
  position: sticky;
  top: calc(var(--header-height) + var(--sp-5));
}

.sidebar-left .sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.sidebar-left .sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), text-shadow 0.3s ease;
}

.sidebar-left .sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  text-shadow: 0 0 8px rgba(0, 163, 255, 0.2);
}

.sidebar-left .sidebar-nav-item.active {
  background: var(--accent-bg);
  color: var(--accent);
  text-shadow: 0 0 8px rgba(0, 163, 255, 0.3);
}

.sidebar-left .sidebar-nav-icon {
  width: 20px;
  text-align: center;
  font-size: var(--text-base);
  flex-shrink: 0;
}

.sidebar-left .sidebar-section-label {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--sp-4) var(--sp-3) var(--sp-2);
}

/* ===== RIGHT SIDEBAR ===== */
.page-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--sp-5));
}

.sidebar-section {
  background: rgba(11, 14, 23, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-4);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.sidebar-section:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.sidebar-section-title {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-list {
  padding: var(--sp-1) 0;
}

.sidebar-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast), transform 0.2s ease;
}

.sidebar-list-item:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--accent);
  transform: translateX(2px);
}

.sidebar-list-item .count {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ===== FOOTER ===== */
.app-footer {
  margin-top: auto;
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top-line {
  display: none;
}

.footer-columns {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--sp-12) var(--sp-4) var(--sp-8);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-8);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--accent);
  margin-bottom: var(--sp-4);
  letter-spacing: 0.1em;
}

.footer-logo svg {
  width: 28px;
  height: 28px;
}

.footer-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast), text-shadow 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent);
  text-shadow: 0 0 8px rgba(0, 163, 255, 0.2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--sp-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.footer-bottom-inner a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-bottom-inner a:hover {
  color: var(--accent);
}

/* ===== USER DROPDOWN ===== */
.user-dropdown {
  position: relative;
}

.user-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  cursor: pointer;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.user-dropdown-trigger:hover {
  background: rgba(255, 255, 255, 0.05);
}

.user-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--sp-1);
  background: hsl(224, 47%, 10%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 0, 0, 0.4);
  min-width: 200px;
  z-index: var(--z-dropdown);
  padding: var(--sp-1) 0;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.user-dropdown-menu a,
.user-dropdown-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.user-dropdown-menu a:hover,
.user-dropdown-menu button:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent);
}

.dropdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  margin: var(--sp-1) 0;
}

/* ===== MOBILE NAV ===== */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-nav-backdrop.open {
  opacity: 1;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100vh;
  background: hsl(224, 47%, 7%);
  z-index: var(--z-modal);
  padding: var(--sp-6) var(--sp-4);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: var(--sp-3) var(--sp-3);
  font-size: var(--text-base);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent);
}

.mobile-nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  margin: var(--sp-2) 0;
}

.mobile-search {
  margin-bottom: var(--sp-4);
}

.mobile-search input {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.mobile-search input::placeholder {
  color: var(--text-muted);
}

/* ===== NOTIFICATION BELL ===== */
.notification-bell {
  position: relative;
}

.unread-count {
  position: absolute;
  top: -4px;
  right: -6px;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: var(--weight-bold);
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  line-height: 1;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}