/* =============================================
   POS Verdulería — Layout (Sidebar, Navbar, Content)
   ============================================= */

/* ---- App Shell ---- */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: linear-gradient(180deg, var(--color-primary-darker) 0%, var(--color-primary-dark) 40%, var(--color-primary) 100%);
    color: var(--color-text-inverse);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-base), transform var(--transition-base);
    overflow-y: auto;
    overflow-x: hidden;
}

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

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

/* Sidebar Header */
.sidebar-header {
    padding: var(--space-lg) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: var(--navbar-height);
}

.sidebar-logo {
    width: 38px;
    height: 38px;
    background: var(--color-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.sidebar-brand {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-lg);
    line-height: var(--line-height-tight);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-brand small {
    display: block;
    font-size: var(--font-xs);
    font-weight: var(--font-weight-normal);
    opacity: 0.6;
    font-family: var(--font-family);
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--space-base) var(--space-sm);
}

.sidebar-section {
    margin-bottom: var(--space-lg);
}

.sidebar-section-title {
    font-size: var(--font-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.45;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    font-size: var(--font-sm);
    font-weight: var(--font-weight-medium);
    position: relative;
    white-space: nowrap;
    user-select: none;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.sidebar-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-weight: var(--font-weight-semibold);
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--color-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar-link i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.85;
}

.sidebar-link .badge-sidebar {
    margin-left: auto;
    background: var(--color-danger);
    color: #fff;
    font-size: var(--font-xs);
    padding: 2px 7px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    min-width: 20px;
    text-align: center;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-base) var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-sm);
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
}

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

.sidebar-user-role {
    font-size: var(--font-xs);
    opacity: 0.5;
}

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

/* Sidebar Collapsed State (Desktop) */
body.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}

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

body.sidebar-collapsed .btn-sidebar-toggle .icon-close {
    display: none !important;
}

body.sidebar-collapsed .btn-sidebar-toggle .icon-open {
    display: block !important;
}

/* ---- Navbar ---- */
.navbar {
    height: var(--navbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    position: sticky;
    top: 0;
    z-index: var(--z-navbar);
    box-shadow: var(--shadow-sm);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-base);
}

.navbar-title {
    font-family: var(--font-heading);
    font-size: var(--font-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.navbar-breadcrumb {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-base);
}

.btn-sidebar-toggle {
    display: flex;
    background: var(--color-primary);
    border: 2px solid var(--color-primary);
    cursor: pointer;
    color: #fff;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(45, 90, 61, 0.3);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.btn-sidebar-toggle i,
.btn-sidebar-toggle svg {
    width: 22px;
    height: 22px;
    display: block;
}

.btn-sidebar-toggle:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(45, 90, 61, 0.4);
}

.navbar-datetime {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-base);
}

.page-header h2 {
    font-size: var(--font-2xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ---- Overlay (mobile sidebar) ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sidebar) - 1);
    backdrop-filter: blur(2px);
}

/* ---- Responsive ---- */
@media (max-width: 1150px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

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

    .btn-sidebar-toggle {
        display: flex;
    }

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

    .navbar {
        padding: 0 var(--space-base);
    }
}

@media (max-width: 640px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-header h2 {
        font-size: var(--font-xl);
    }

    .navbar-datetime {
        display: none;
    }
}