/* ============================================
   EAD Play - Layout Principal
   Sidebar, Header, Content Area
   ============================================ */

/* ---- Layout base com sidebar ---- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: var(--z-fixed);
    transition: width var(--transition-base), transform var(--transition-base);
    overflow: hidden;
}

/* ---- Sidebar Header ---- */
.sidebar-header {
    padding: var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--sidebar-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
    background: linear-gradient(180deg, rgba(79, 90, 255, 0.04) 0%, transparent 100%);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.sidebar-logo-img {
    max-height: 30px;
    max-width: 130px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

/* Menu da Sidebar */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3) var(--space-3);
}

.sidebar-nav::-webkit-scrollbar {
    width: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--sidebar-border);
    border-radius: var(--radius-full);
}

.nav-section {
    margin-bottom: var(--space-6);
}

/* Label de seção (ex: MENTORIA, GESTÃO EAD) */
.nav-section-label {
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    color: var(--sidebar-text);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-5) var(--space-3) var(--space-2);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--sidebar-border) 0%, transparent 100%);
}

.nav-section-label:first-child {
    padding-top: var(--space-2);
}

/* Logo highlight */
.brand-highlight {
    color: var(--primary-400);
}

/* ---- Nav Item ---- */
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 8px 10px;
    border-radius: var(--radius-md);
    color: var(--sidebar-text);
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    position: relative;
    margin-bottom: 2px;
    cursor: pointer;
    text-decoration: none;
}

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

.nav-item:hover .nav-item-icon {
    background: rgba(79, 90, 255, 0.15);
    color: var(--primary-400);
}

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

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    background: var(--primary-500);
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
    box-shadow: 0 0 8px rgba(79, 90, 255, 0.4);
}

/* Icon container inside nav items */
.nav-item-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(139, 143, 163, 0.08);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.nav-item-icon i {
    font-size: 12px;
    line-height: 1;
}

/* ---- Badge de não lidas no nav ---- */
.nav-badge {
    margin-left: auto;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    flex-shrink: 0;
}

/* ---- Toasts globais ---- */
#globalToastContainer {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.global-toast {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #1e293b;
    color: #f1f5f9;
    border-radius: 12px;
    padding: 12px 16px;
    min-width: 280px;
    max-width: 340px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    pointer-events: all;
    cursor: pointer;
    animation: toastIn 0.3s ease;
}

.global-toast-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(99,102,241,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 15px;
    color: #818cf8;
}

.global-toast-body { flex: 1; min-width: 0; }
.global-toast-title { font-size: 13px; font-weight: 700; }
.global-toast-sub   { font-size: 11px; color: #94a3b8; margin-top: 2px; }

.global-toast-close {
    background: none;
    border: none;
    color: #64748b;
    font-size: 16px;
    cursor: pointer;
    padding: 0 0 0 4px;
    line-height: 1;
    flex-shrink: 0;
}
.global-toast-close:hover { color: #f1f5f9; }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.nav-item.active .nav-item-icon {
    background: rgba(79, 90, 255, 0.18);
    color: var(--primary-400);
}

/* Fallback for items without .nav-item-icon wrapper */
.nav-item > i:first-child {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(139, 143, 163, 0.08);
    font-size: 12px;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.nav-item:hover > i:first-child {
    background: rgba(79, 90, 255, 0.15);
    color: var(--primary-400);
}

.nav-item.active > i:first-child {
    background: rgba(79, 90, 255, 0.18);
    color: var(--primary-400);
}

/* Badges de contagem no menu */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-500);
    color: white;
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    min-width: 22px;
    text-align: center;
    line-height: 1.5;
    flex-shrink: 0;
}

.nav-item > .nav-badge:first-of-type {
    margin-left: auto;
}

.nav-item > .nav-badge + .nav-badge {
    margin-left: 1px;
}

.nav-badge-orange {
    background: linear-gradient(135deg, #e67e22, #f39c12);
}
.nav-badge-red {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}
.nav-badge-blue {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-400));
}
.nav-badge-yellow {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

/* Chevron para submenus */
.nav-chevron {
    margin-left: auto;
    font-size: 10px !important;
    transition: transform var(--transition-fast);
    width: auto !important;
    opacity: 0.5;
}

.nav-item:hover .nav-chevron {
    opacity: 1;
}

/* Grupos com submenu */
.nav-item-group.open > .nav-chevron,
.nav-item-group.open .nav-item-toggle .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

/* Quando o toggle tem badge(s), o chevron fica no final sem margin-left:auto extra */
.nav-item-toggle .nav-badge ~ .nav-chevron,
.nav-item-toggle .nav-badge-orange ~ .nav-chevron,
.nav-item-toggle .nav-badge-red ~ .nav-chevron,
.nav-item-toggle .nav-badge-yellow ~ .nav-chevron {
    margin-left: var(--space-1);
}
/* nav-subitem com badge inline */
.nav-subitem {
    display: flex;
    align-items: center;
}

/* Submenus */
.nav-submenu {
    display: none;
    padding: var(--space-1) 0 var(--space-2) 0;
    margin-left: 24px;
    overflow: hidden;
    position: relative;
    border-left: 1px solid rgba(139, 143, 163, 0.12);
}

.nav-item-group.open .nav-submenu {
    display: block;
    animation: submenuOpen 0.25s ease;
}

@keyframes submenuOpen {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.nav-subitem {
    display: block;
    padding: 6px 12px 6px 16px;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    margin-bottom: 1px;
    margin-left: 4px;
}

.nav-subitem::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 50%;
    width: 8px;
    height: 1px;
    background: rgba(139, 143, 163, 0.12);
    transition: background var(--transition-fast);
}

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

.nav-subitem:hover::before,
.nav-subitem.active::before {
    background: var(--primary-400);
}

.nav-subitem.active {
    color: var(--primary-400);
    background: rgba(79, 90, 255, 0.08);
    font-weight: var(--font-weight-semibold);
}

/* ---- Sidebar Footer ---- */
.sidebar-footer {
    padding: var(--space-3) var(--space-3);
    border-top: 1px solid var(--sidebar-border);
    flex-shrink: 0;
    background: linear-gradient(0deg, rgba(79, 90, 255, 0.03) 0%, transparent 100%);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 8px 10px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-bold);
    font-size: 12px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(79, 90, 255, 0.2);
}

.sidebar-user-info {
    flex: 1;
    overflow: hidden;
}

.sidebar-user-name {
    color: var(--text-inverse);
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.sidebar-user-role {
    color: var(--sidebar-text);
    font-size: 11px;
    line-height: 1.3;
}

.sidebar-user .logout-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-user:hover .logout-icon {
    color: var(--danger-400);
    background: rgba(248, 113, 113, 0.1);
}

/* ---- Conteúdo Principal ---- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-base);
}

/* ---- Top Header ---- */
.top-header {
    background: var(--content-surface);
    border-bottom: 1px solid var(--content-border);
    padding: var(--space-4) var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

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

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

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: var(--content-bg);
    color: var(--text-primary);
}

.page-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* ---- Content Area ---- */
.content-area {
    flex: 1;
    padding: var(--space-8);
}

/* ---- Overlay para mobile ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* ---- Responsivo ---- */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .menu-toggle {
        display: flex;
    }

    .content-area {
        padding: var(--space-5);
    }

    .top-header {
        padding: var(--space-4) var(--space-5);
    }
}

@media (max-width: 640px) {
    .content-area {
        padding: var(--space-4);
    }

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