/**
 * JBA Admin Dashboard - Main Layout Styles
 *
 * Grid-based layout for the admin dashboard with header, sidebar, and main content
 */

/* ============================================================================
   Base Styles
   ============================================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   App Shell Layout (Grid)
   ============================================================================ */

app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--header-height) 1fr;
    grid-template-areas:
        "header header"
        "sidebar main";
    height: 100vh;
    width: 100%;
}

/* When sidebar is collapsed */
app-shell.sidebar-collapsed {
    grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

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

app-header {
    grid-area: header;
    background: var(--header-bg);
    border-bottom: var(--border-width) solid var(--header-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--content-padding);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

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

app-sidebar {
    grid-area: sidebar;
    background: var(--sidebar-bg);
    border-right: var(--border-width) solid var(--sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    transition: var(--transition-base);
}

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

.main-content {
    grid-area: main;
    overflow-y: auto;
    overflow-x: auto;
    padding: var(--content-padding);
    background: var(--bg-light);
    min-width: 0;
}

/* Smooth scrolling */
.main-content {
    scroll-behavior: smooth;
}

/* Custom scrollbar (Webkit browsers) */
.main-content::-webkit-scrollbar,
app-sidebar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.main-content::-webkit-scrollbar-track,
app-sidebar::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.main-content::-webkit-scrollbar-thumb,
app-sidebar::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--border-radius-full);
}

.main-content::-webkit-scrollbar-thumb:hover,
app-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

/* Tablet and below */
@media (max-width: 1024px) {
    app-shell {
        grid-template-columns: 1fr;
        grid-template-rows: var(--header-height) 1fr;
        grid-template-areas:
            "header"
            "main";
    }

    app-sidebar {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        height: calc(100vh - var(--header-height));
        width: var(--sidebar-width);
        z-index: var(--z-fixed);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    /* Show sidebar when menu is open */
    app-shell.menu-open app-sidebar {
        left: 0;
    }

    /* Overlay when sidebar is open */
    app-shell.menu-open::before {
        content: '';
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: calc(var(--z-fixed) - 1);
        animation: fadeIn 0.3s ease;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md);
    }

    app-header {
        padding: 0 var(--spacing-md);
    }
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Text */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* Colors */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }
.text-muted { color: var(--text-light); }

/* Visibility */
.hidden { display: none !important; }
.visible { display: block !important; }

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: var(--animation-spin);
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {
    app-sidebar,
    app-header {
        display: none;
    }

    app-shell {
        grid-template-areas: "main";
        grid-template-columns: 1fr;
        grid-template-rows: 1fr;
    }

    .main-content {
        padding: 0;
    }

    .no-print {
        display: none !important;
    }
}