/* ==========================================================================
   Layout CSS - Sidebar, Main Content, Pages
   ========================================================================== */

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--color-brand);
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow: hidden;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.1);
    transition: width var(--transition-normal);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 10px;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .header-text {
    display: none;
}

.sidebar.collapsed .menu-text {
    display: none;
}

.sidebar.collapsed .menu-item {
    justify-content: center;
    padding: 15px;
}

.sidebar.collapsed .menu-item:hover {
    padding-left: 15px;
}

.sidebar.collapsed .menu-item.active {
    padding-left: 11px;
}

.sidebar.collapsed .logout-container {
    padding: 15px 10px;
}

.sidebar.collapsed .btn-logout span:last-child {
    display: none;
}

/* Sidebar Header */
.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 0 10px 20px;
}

.header-text h2 {
    font-size: 20px;
    font-weight: 600;
}

.header-text p {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 5px;
}

/* Botón hamburguesa */
.menu-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    padding: 10px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: none;
    box-shadow: none;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.sidebar.collapsed .menu-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.sidebar.collapsed .menu-toggle span:nth-child(2) {
    opacity: 0;
}

.sidebar.collapsed .menu-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Menu Items */
.menu-item {
    padding: 15px 20px;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 25px;
}

.menu-item.active {
    background: rgba(255, 255, 255, 0.2);
    border-left: 4px solid white;
    padding-left: 16px;
    font-weight: 600;
}

.menu-icon {
    font-size: 18px;
}

/* Submenú desplegable */
.has-submenu {
    position: relative;
}

.submenu-arrow {
    margin-left: auto;
    font-size: 10px;
    transition: transform var(--transition-normal);
}

.has-submenu.open .submenu-arrow {
    transform: rotate(180deg);
}

.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: rgba(0, 0, 0, 0.1);
}

.submenu.open {
    max-height: 200px;
}

.submenu-item {
    padding: 12px 20px 12px 45px;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    opacity: 0.9;
}

.submenu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 50px;
}

.submenu-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-left: 3px solid rgba(255, 255, 255, 0.8);
    padding-left: 42px;
}

.submenu-icon {
    font-size: 14px;
}

.sidebar.collapsed .submenu {
    display: none;
}

.sidebar.collapsed .submenu-arrow {
    display: none;
}

/* Logout button */
.logout-container {
    flex-shrink: 0;
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: auto;
}

.btn-logout {
    width: 100%;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-logout:active {
    transform: scale(0.98);
}

/* Main Content */
.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 30px;
    transition: margin-left var(--transition-normal);
}

.main-content.expanded {
    margin-left: 70px;
}

/* Pages */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Header */
.header {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.subtitle {
    color: var(--color-gray-600);
    font-size: 16px;
}

/* Content */
.content {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}