/**
 * KMC BROKER - Layout Components
 * Sidebar, Navbar, and Main Content Area styles
 */

/* ===== CSS RESET FOR LAYOUT ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* ===== APP LAYOUT ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: 260px;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  position: fixed;
  left: 0;
  top: 0;
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-base) var(--ease-out),
              width var(--duration-base) var(--ease-out);
}

.sidebar--collapsed {
  width: 80px;
}

.sidebar--collapsed .sidebar__logo-text,
.sidebar--collapsed .sidebar__menu-text,
.sidebar--collapsed .sidebar__group-title {
  display: none;
}

/* Sidebar Logo */
.sidebar__header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.sidebar__logo-image {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.sidebar__logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
  font-family: var(--font-display);
}

/* Sidebar Close Button (Mobile) */
.sidebar__close {
  display: none;
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.sidebar__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Sidebar Menu */
.sidebar__menu {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.sidebar__menu::-webkit-scrollbar {
  width: 6px;
}

.sidebar__menu::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar__menu::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

/* Menu Group */
.sidebar__group {
  margin-bottom: var(--space-2);
}

.sidebar__group-title {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
}

/* Menu Items */
.sidebar__nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar__nav-item {
  margin: 0 var(--space-3);
}

.sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--duration-fast) var(--ease-out);
}

.sidebar__nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.sidebar__nav-link--active {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}

.sidebar__nav-icon {
  font-size: var(--text-xl);
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__menu-text {
  white-space: nowrap;
}

/* ===== MAIN CONTENT AREA ===== */
.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--duration-base) var(--ease-out);
}

.sidebar--collapsed ~ .main-content {
  margin-left: 80px;
}

/* ===== NAVBAR ===== */
.navbar {
  background: linear-gradient(90deg, var(--color-primary-600) 0%, var(--color-primary-500) 100%);
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
}

.navbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar__toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  transition: background var(--duration-fast) var(--ease-out);
}

.navbar__toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.navbar__mobile-toggle {
  display: none;
}

.navbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* User Dropdown */
.user-dropdown {
  position: relative;
}

.user-dropdown__trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-full);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out);
}

.user-dropdown__trigger:hover {
  background: var(--bg-tertiary);
}

.user-dropdown__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.user-dropdown__menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 220px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--duration-fast) var(--ease-out);
  z-index: var(--z-dropdown);
}

.user-dropdown__menu--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown__header {
  padding: var(--space-4);
  background: var(--color-primary-50);
  border-bottom: 1px solid var(--border-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.user-dropdown__name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.user-dropdown__role {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.user-dropdown__items {
  padding: var(--space-2);
  list-style: none;
  margin: 0;
}

.user-dropdown__item {
  margin: 0;
}

.user-dropdown__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: background var(--duration-fast) var(--ease-out);
  border: none;
  background: none;
  width: 100%;
  cursor: pointer;
}

.user-dropdown__link:hover {
  background: var(--color-neutral-100);
}

.user-dropdown__link--danger:hover {
  background: var(--color-danger-50);
  color: var(--color-danger-500);
}

.user-dropdown__icon {
  font-size: var(--text-xl);
}

/* ===== PAGE CONTENT ===== */
.page-content {
  flex: 1;
  padding: var(--space-6);
  background: var(--bg-primary);
}

/* ===== SIDEBAR OVERLAY (Mobile) ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-fixed) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out);
}

.sidebar-overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar__close {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar--collapsed ~ .main-content {
    margin-left: 0;
  }

  .navbar__toggle {
    display: none;
  }

  .navbar__mobile-toggle {
    display: flex;
  }

  .sidebar-overlay {
    display: block;
  }
}

@media (max-width: 768px) {
  .page-content {
    padding: var(--space-4);
  }

  .navbar {
    padding: var(--space-3) var(--space-4);
  }
}

/* ===== DARK MODE ===== */
[data-theme="dark"] .sidebar {
  background: linear-gradient(180deg, var(--color-primary-700) 0%, var(--color-primary-800) 100%);
}

[data-theme="dark"] .navbar {
  background: linear-gradient(90deg, var(--color-primary-700) 0%, var(--color-primary-600) 100%);
}

[data-theme="dark"] .user-dropdown__menu {
  background: var(--bg-secondary);
  border-color: var(--border-primary);
}

[data-theme="dark"] .user-dropdown__header {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .user-dropdown__link:hover {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .page-content {
  background: var(--bg-primary);
}

/* ===== MAIN FOOTER ===== */
.main-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  padding: var(--space-4) var(--space-6);
  margin-top: auto;
}

.main-footer__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.main-footer__left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.main-footer__copyright {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.main-footer__copyright strong {
  color: var(--color-primary-500);
  font-weight: var(--font-semibold);
}

.main-footer__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.main-footer__version {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: var(--font-medium);
}

.main-footer__divider {
  color: var(--border-primary);
  font-size: var(--text-sm);
}

.main-footer__link {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.main-footer__link:hover {
  color: var(--color-primary-500);
}

@media (max-width: 768px) {
  .main-footer__content {
    flex-direction: column;
    text-align: center;
  }
}

[data-theme="dark"] .main-footer {
  background: var(--bg-secondary);
  border-color: var(--border-primary);
}

/* ===== THEME TOGGLE ICONS ===== */
.theme-icon {
  font-size: var(--text-xl);
}

/* Light mode: show sun, hide moon */
[data-theme="light"] .theme-icon--light {
  display: block;
}

[data-theme="light"] .theme-icon--dark {
  display: none;
}

/* Dark mode: show moon, hide sun */
[data-theme="dark"] .theme-icon--light {
  display: none;
}

[data-theme="dark"] .theme-icon--dark {
  display: block;
}