/* Layout System - Main Structure */

/* Main Layout Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    direction: rtl;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px var(--shadow-light);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    direction: rtl;
}

.header-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-brand:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

.header-brand-icon {
    width: 32px;
    height: 32px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-search {
    position: relative;
    display: flex;
    align-items: center;
}

.header-search input {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-color);
    font-family: inherit;
    font-size: var(--font-size-sm);
    width: 250px;
    direction: rtl;
    text-align: right;
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.header-search input::placeholder {
    color: var(--text-muted);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
}

/* Main Content Area */
.main-content {
    margin-top: var(--header-height);
    display: flex;
    min-height: calc(100vh - var(--header-height));
    direction: rtl;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 999;
    direction: rtl;
}

.sidebar-header {
    padding: 1.5rem 1rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.sidebar-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Navigation */
.nav-section {
    padding: 1rem 0;
}

.nav-section-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 1rem;
    margin-bottom: 0.5rem;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-speed) ease;
    border-right: 3px solid transparent;
    gap: 0.75rem;
}

.nav-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-color);
    text-decoration: none;
}

.nav-link.active {
    background-color: var(--primary-color);
    color: white;
    border-right-color: var(--primary-hover);
}

.nav-link-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

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

.nav-link-badge {
    background-color: var(--primary-color);
    color: white;
    font-size: var(--font-size-xs);
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.nav-link.active .nav-link-badge {
    background-color: white;
    color: var(--primary-color);
}

/* Collapsible Navigation */
.nav-collapsible {
    position: relative;
}

.nav-collapsible-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    text-align: right;
    color: var(--text-color);
    font-size: var(--font-size-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-speed) ease;
}

.nav-collapsible-toggle:hover {
    background-color: var(--bg-tertiary);
}

.nav-collapsible-icon {
    transition: transform var(--transition-speed) ease;
}

.nav-collapsible.open .nav-collapsible-icon {
    transform: rotate(180deg);
}

.nav-collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed) ease;
}

.nav-collapsible.open .nav-collapsible-content {
    max-height: 500px;
}

.nav-collapsible-content .nav-link {
    padding-right: 2.5rem;
    font-size: var(--font-size-xs);
}

/* Content Area */
.content {
    flex: 1;
    margin-right: var(--sidebar-width);
    padding: 2rem;
    direction: rtl;
    max-width: calc(100vw - var(--sidebar-width));
    overflow-x: hidden;
}

.content-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.content-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.content-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: var(--font-size-sm);
    direction: rtl;
}

.breadcrumb-item {
    color: var(--text-secondary);
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.breadcrumb-item:not(:last-child)::after {
    content: "←";
    margin-right: 0.5rem;
    color: var(--text-muted);
}

.breadcrumb-item.active {
    color: var(--text-color);
    font-weight: 500;
}

/* Progress Indicator */
.progress-container {
    margin-bottom: 2rem;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: var(--font-size-sm);
}

.progress {
    width: 100%;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
    border-radius: 4px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content {
        margin-right: 0;
        padding: 1.5rem;
    }
    
    .sidebar {
        transform: translateX(100%);
        transition: transform var(--transition-speed) ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-search input {
        width: 200px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
    }
    
    .header-search {
        display: none;
    }
    
    .content {
        padding: 1rem;
    }
    
    .content-title {
        font-size: var(--font-size-2xl);
    }
    
    .sidebar {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .header-brand {
        font-size: var(--font-size-lg);
    }
    
    .content-title {
        font-size: var(--font-size-xl);
    }
    
    .breadcrumb {
        flex-wrap: wrap;
    }
}