/* ===========================================
   ObraFlow Dashboard - Layout Styles
   =========================================== */

/* ========== APP LAYOUT ========== */
.app {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* ========== SIDEBAR ========== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    z-index: var(--z-fixed);
    transition: width var(--transition-normal);
    overflow: visible;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: var(--spacing-4) var(--spacing-5);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    border-bottom: 1px solid var(--color-border);
    min-height: 64px;
    overflow: visible;
}

.sidebar-logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-primary);
    letter-spacing: -1px;
    white-space: nowrap;
    flex-shrink: 0;
}

.sidebar-logo .dot {
    color: var(--color-accent);
}

.sidebar-toggle {
    margin-left: auto;
    color: var(--color-text-tertiary);
    padding: var(--spacing-2);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

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

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

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: var(--spacing-4);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: var(--spacing-6);
}

.sidebar-section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.sidebar.collapsed .sidebar-section-title {
    display: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-1);
    cursor: pointer;
    white-space: nowrap;
}

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

.nav-item.active {
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
}

.nav-item.active .nav-item-icon {
    color: var(--color-accent);
}

.nav-item-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.nav-item:hover .nav-item-icon {
    color: var(--color-text-primary);
}

.nav-item-text {
    flex: 1;
}

.nav-item-badge {
    background-color: var(--color-error);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: var(--border-radius-full);
    min-width: 20px;
    text-align: center;
}

.sidebar.collapsed .nav-item-text,
.sidebar.collapsed .nav-item-badge {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: var(--spacing-3);
}

.sidebar-footer {
    padding: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.sidebar.collapsed .sidebar-user-info,
.sidebar.collapsed .sidebar-user-actions {
    display: none;
}

.sidebar.collapsed .sidebar-user {
    justify-content: center;
}

/* ========== MAIN CONTENT ========== */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0; /* Previene overflow en flex children */
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed + .main {
    margin-left: var(--sidebar-collapsed-width);
}

/* ========== HEADER ========== */
.header {
    height: var(--header-height);
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-6);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

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

.header-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.header-breadcrumb-separator {
    color: var(--color-text-tertiary);
}

.header-breadcrumb a:hover {
    color: var(--color-text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.header-search {
    position: relative;
    width: 280px;
}

.header-search input {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-4);
    padding-left: var(--spacing-10);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.header-search input:focus {
    border-color: var(--color-border-hover);
    background-color: var(--color-bg-card);
}

.header-search-icon {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    width: 18px;
    height: 18px;
}

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

.header-action-btn {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.header-action-btn:hover {
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
}

.header-action-btn svg {
    width: 20px;
    height: 20px;
}

.header-action-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background-color: var(--color-error);
    border-radius: 50%;
}

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

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

.page-header-content {
    flex: 1;
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-2);
}

.page-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

/* ========== GRID LAYOUTS ========== */
.grid-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-4);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.grid-cols-2-1 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-4);
}

.grid-cols-1-2 {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1280px) {
    .grid-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-2-1,
    .grid-cols-1-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main {
        margin-left: 0;
    }
    
    .header-search {
        display: none;
    }
}

@media (max-width: 768px) {
    .page {
        padding: var(--spacing-4);
    }
    
    .page-header {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .page-actions {
        width: 100%;
    }
    
    .page-actions .btn {
        flex: 1;
    }
    
    .grid-stats {
        grid-template-columns: 1fr;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}