/**
 * @file layout.css
 * @description Layout principal: header, sidebar e área de conteúdo.
 */

/* ============================================================
 * Container Principal
 * ============================================================ */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* ============================================================
 * Sidebar
 * ============================================================ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: var(--z-sticky);
    transition: width var(--transition-normal);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Toggle button */
.sidebar-toggle {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    margin-left: auto;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.sidebar-toggle:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
}

.sidebar-toggle i {
    transition: transform var(--transition-normal);
    font-size: var(--font-size-sm);
}

/* ============================================================
 * Estado Colapsado
 * ============================================================ */

.sidebar.collapsed {
    width: 64px;
}

.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item span:not(.nav-badge),
.sidebar.collapsed .sidebar-footer span {
    opacity: 0;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-sm);
}

.sidebar.collapsed .sidebar-logo {
    display: none;
}

.sidebar.collapsed .sidebar-logo i {
    margin-right: 0;
}

.sidebar.collapsed .sidebar-toggle {
    margin: 0;
}

.sidebar.collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

.sidebar.collapsed .nav-section {
    padding: 0 var(--spacing-xs);
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .nav-item i {
    margin: 0;
}

.sidebar.collapsed .nav-item .nav-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    margin: 0;
    padding: 0 4px;
    font-size: 9px;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
}

/* Tooltip on hover when collapsed */
.sidebar.collapsed .nav-item {
    position: relative;
}

.sidebar.collapsed .nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-800);
    color: white;
    padding: 4px 10px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    pointer-events: none;
    z-index: 9999;
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed .nav-item:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Main content adjusts */
/* Mobile specific elements (hidden on desktop) */
.mobile-header,
.sidebar-overlay,
.sidebar-mobile-close {
    display: none;
}

.sidebar.collapsed~.main-content {
    margin-left: 64px;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: var(--header-height);
}

.sidebar-logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
}

.sidebar-logo i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
}

.sidebar-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.nav-section {
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    color: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    position: relative;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
}

.nav-item.active {
    background: var(--primary-color);
    color: var(--text-white);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-base);
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-bold);
    min-width: 20px;
    text-align: center;
}

/* ============================================================
 * Main Content
 * ============================================================ */

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

/* ============================================================
 * Header
 * ============================================================ */

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

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

.header-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.header-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--bg-secondary, #f3f4f6);
    padding: 4px 12px;
    border-radius: var(--border-radius-full);
    border: 1px solid var(--border-color);
    font-weight: var(--font-weight-medium);
}

.header-group i {
    color: var(--primary-color);
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.header-breadcrumb .separator {
    color: var(--gray-300);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-notification {
    position: relative;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--text-secondary);
}

.header-notification:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.header-notification .notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    background: var(--danger-color);
    color: white;
    font-size: 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
}

.header-date {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ============================================================
 * Painel de Notificações (dropdown do sino)
 * ============================================================ */

.notif-painel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 360px;
    background: var(--surface-color, #fff);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg, 10px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.14);
    z-index: 1000;
    overflow: hidden;
    animation: notif-fadeIn 0.15s ease;
}

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

.notif-painel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--gray-50, #f9fafb);
}

.notif-painel-header h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notif-painel-header button {
    background: none;
    border: none;
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

.notif-painel-header button:hover {
    background: var(--primary-light, #e8f0fe);
}

.notif-lista {
    max-height: 400px;
    overflow-y: auto;
}

.notif-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.notif-item:last-child {
    border-bottom: none;
}

.notif-item:hover {
    background: var(--gray-50, #f9fafb);
}

.notif-item-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.notif-item-icon.danger  { background: var(--danger-light,  #fee2e2); color: var(--danger-color); }
.notif-item-icon.warning { background: var(--warning-light, #fef3c7); color: var(--warning-color); }
.notif-item-icon.info    { background: var(--primary-light, #e8f0fe); color: var(--primary-color); }

.notif-item-body {
    flex: 1;
    min-width: 0;
}

.notif-item-titulo {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notif-item-detalhe {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.notif-item-valor {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--danger-color);
    white-space: nowrap;
    margin-top: 2px;
}

.notif-painel-footer {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gray-50, #f9fafb);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.notif-painel-footer a {
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
}

.notif-painel-footer a:hover {
    text-decoration: underline;
}

.notif-empty {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.notif-empty i {
    font-size: 32px;
    color: var(--success-color);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.notif-item-meses {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 4px;
}

.notif-mes-tag {
    font-size: 10px;
    background: var(--danger-light, #fee2e2);
    color: var(--danger-color);
    border-radius: 3px;
    padding: 1px 5px;
    font-weight: var(--font-weight-semibold);
}

/* ============================================================
 * Content Area
 * ============================================================ */

.content-area {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: var(--content-max-width);
    width: 100%;
}

/* ============================================================
 * Page Container (each page's wrapper)
 * ============================================================ */

.page-container {
    display: none;
    animation: fadeIn 0.2s ease;
}

.page-container.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
 * Responsive: Laptop (1366px)
 * ============================================================ */

@media (max-width: 1400px) {
    :root {
        --sidebar-width: 220px;
    }
}