/* ============================================
   Modern Layout System
   ============================================ */

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.modern-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============================================
   Modern App Bar
   ============================================ */

.modern-app-bar {
    position: fixed;
    top: 0;
    left: 260px;
    right: 0;
    height: 64px;
    background: #ffffff;
    border-bottom: 1px solid #e8e2d8;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    transition: left 0.3s ease;
}

/* No sidebar (logged out): app bar spans full width */
.modern-app-bar.no-sidebar {
    left: 0;
}

.app-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 1.5rem;
}

.sidebar-toggle {
    width: 38px;
    height: 38px;
    border: 1px solid #e8e2d8;
    background: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #18181b;
    font-size: 1.25rem;
}

.sidebar-toggle:hover {
    background: rgba(221, 122, 40, 0.08);
    color: #DD7A28;
    border-color: #DD7A28;
}

.app-bar-brand {
    display: flex;
    align-items: center;
    font-size: 1.05rem;
    font-weight: 700;
    margin-left: 0.75rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.brand-link:hover {
    opacity: 0.85;
}

.app-bar-logo {
    height: 38px;
    width: auto;
    border-radius: 6px;
    background: transparent;
    padding: 0;
    object-fit: contain;
}

.brand-text {
    color: #18181b;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: 1.15rem;
}

.app-bar-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.app-bar-btn {
    position: relative;
    width: 38px;
    height: 38px;
    border: 1px solid #e8e2d8;
    background: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #4b5563;
    font-size: 1.1rem;
    text-decoration: none;
}

.app-bar-btn:hover {
    background: rgba(221, 122, 40, 0.08);
    color: #DD7A28;
    border-color: #DD7A28;
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 17px;
    height: 17px;
    background: #DD7A28;
    color: #ffffff;
    border-radius: 50%;
    font-size: 0.62rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 4px 12px 4px 6px;
    border-radius: 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: 0.35rem;
    background: #faf7f2;
    border: 1px solid #e8e2d8;
}

.user-profile:hover {
    background: #f4efe6;
    border-color: #d6cebf;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #DD7A28;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
}

.user-name {
    font-weight: 700;
    color: #18181b;
    font-size: 0.85rem;
}

/* ============================================
   Modern Sidebar — Dark Obsidian Matte
   ============================================ */

.modern-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    background: #1A1A1A;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    overflow-y: auto;
    overflow-x: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

.modern-sidebar.collapsed {
    width: 80px;
}

.modern-sidebar::-webkit-scrollbar {
    width: 6px;
}

.modern-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.modern-sidebar::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.modern-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ============================================
   Modern Navigation
   ============================================ */

.modern-nav-container {
    padding: 0.5rem 0;
}

.modern-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.modern-nav-item {
    padding: 0 0.75rem;
}

.modern-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.875rem;
    border-radius: 8px;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.875rem;
}

.modern-nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    color: var(--gray-500);
}

.modern-nav-link:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.modern-nav-link:hover i {
    color: var(--primary);
}

.modern-nav-link.active {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.modern-nav-link.active i {
    color: var(--white);
}

/* ============================================
   Navigation Sections
   ============================================ */

.nav-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 0.75rem 1rem;
}

.modern-nav-section {
    margin: 0.25rem 0;
}

.modern-nav-section-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.75rem;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--gray-500);
    border-radius: 6px;
    margin: 0.25rem 0;
}

.modern-nav-section-toggle:hover {
    background: var(--gray-50);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.section-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--gray-500);
    transition: all 0.2s ease;
}

.modern-nav-section-toggle:hover .section-icon {
    color: var(--primary);
}

.chevron {
    font-size: 0.7rem;
    color: var(--gray-400);
    transition: all 0.2s ease;
    position: absolute;
    right: 0.75rem;
}

.modern-nav-section-toggle:hover .chevron {
    color: var(--primary);
}

.modern-nav-section-toggle {
    position: relative;
}

/* ============================================
   Navigation Submenu
   ============================================ */

.modern-nav-submenu {
    padding: 0.25rem 0.5rem 0.5rem 0.5rem;
    animation: slideDown 0.25s ease;
    background: var(--gray-50);
    border-radius: 6px;
    margin: 0.25rem 0.75rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modern-nav-submenu .modern-nav-link {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.125rem;
    font-size: 0.85rem;
    border-radius: 6px;
    background: transparent;
}

.modern-nav-submenu .modern-nav-link:hover {
    background: var(--white);
}

.modern-nav-submenu .modern-nav-link i {
    font-size: 1rem;
}

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

.modern-main-content {
    margin-top: 64px;
    margin-left: 260px;
    background: #f4efe6 !important;
    min-height: calc(100vh - 64px);
    transition: margin-left 0.3s ease;
    overflow-y: auto;
    position: relative;
    z-index: 10;
}

/* Logged-out state: no sidebar, content fills full width */
.modern-main-content.no-sidebar {
    margin-left: 0;
}

.modern-sidebar.collapsed ~ .modern-main-content {
    margin-left: 80px;
}

.modern-sidebar.collapsed ~ .modern-app-bar {
    left: 80px;
}

.content-wrapper {
    width: 100%;
}

/* Add padding for admin/owner pages */
.content-wrapper > .container-fluid {
    padding: 2rem;
}

/* ============================================
   Collapsed Sidebar Styles
   ============================================ */

.modern-sidebar.collapsed .nav-text {
    display: none;
}

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

.modern-sidebar.collapsed .chevron {
    display: none;
}

.modern-sidebar.collapsed .modern-nav-link {
    justify-content: center;
    padding: 0.75rem;
}

.modern-sidebar.collapsed .modern-nav-section-toggle {
    justify-content: center;
    padding: 0.75rem;
}

.modern-sidebar.collapsed .section-header {
    gap: 0;
}

.modern-sidebar.collapsed .modern-nav-submenu {
    display: none;
}

/* ============================================
   Modern Error UI
   ============================================ */

.modern-error-ui {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    z-index: 10000;
    display: none;
}

.modern-error-ui:not(:empty) {
    display: block;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.error-content i {
    font-size: 1.5rem;
    color: var(--danger);
}

.error-content span {
    flex: 1;
    color: var(--gray-800);
    font-weight: 500;
}

.error-content .reload {
    padding: 0.5rem 1rem;
    background: var(--primary-gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.error-content .reload:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.error-content .dismiss {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--gray-600);
    transition: all 0.3s ease;
}

.error-content .dismiss:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

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

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 1000;
}

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

@media (max-width: 992px) {
    /* On mobile, sidebar is hidden by default (when NOT collapsed). 
       When toggled (collapsed class added), it slides in. */
    .modern-sidebar:not(.collapsed) {
        transform: translateX(-100%);
    }
    
    .modern-sidebar.collapsed {
        transform: translateX(0);
        width: 260px !important; /* Full width instead of mini */
    }

    /* Restore text/icons that get hidden by .collapsed on desktop */
    .modern-sidebar.collapsed .nav-text,
    .modern-sidebar.collapsed .section-title,
    .modern-sidebar.collapsed .chevron {
        display: block !important;
    }
    
    .modern-sidebar.collapsed .modern-nav-link,
    .modern-sidebar.collapsed .modern-nav-section-toggle {
        justify-content: flex-start !important;
        padding: 0.65rem 0.875rem !important;
    }
    
    .modern-sidebar.collapsed .section-header {
        gap: 0.5rem !important;
    }
    
    .modern-sidebar.collapsed .modern-nav-submenu {
        display: flex !important;
    }

    /* Main content & App bar always full width */
    .modern-main-content,
    .modern-sidebar.collapsed ~ .modern-main-content {
        margin-left: 0 !important;
    }

    .modern-app-bar,
    .modern-sidebar.collapsed ~ .modern-app-bar {
        left: 0 !important;
    }
    
    .app-bar-brand .brand-text {
        display: none;
    }
    
    .user-name {
        display: none;
    }
    
    .sidebar-backdrop.active {
        display: block;
    }
}

@media (max-width: 576px) {
    .app-bar-content {
        padding: 0 1rem;
    }
    
    .content-wrapper > .container-fluid {
        padding: 1rem !important;
    }
}