/**
 * Layout Styles - Shared Layout Components
 * This file contains layout structures used across application pages
 */

/* Import Dependencies */
@import url('variables.css');

/* ========================================
   APP LAYOUT STRUCTURE
   ======================================== */

.app-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 0;
    background: var(--primary);
}

.app-layout.sidebar-collapsed .sidebar {
    width: 60px;
}

.app-layout.sidebar-collapsed .sidebar .sidebar-header h2,
.app-layout.sidebar-collapsed .sidebar .btn-new-project,
.app-layout.sidebar-collapsed .sidebar .search-projects,
.app-layout.sidebar-collapsed .sidebar .projects-list {
    display: none;
}

.app-layout.sidebar-collapsed .main-content {
    margin-left: 60px;
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
    width: var(--sidebar-width);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border-right: 1px solid var(--border-medium);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: var(--z-sticky);
    transition: all var(--transition-slow);
    padding-top: 0;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    color: var(--text-primary);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin: 0;
}

/* Search Projects */
.search-projects {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.search-projects input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-sm);
}

.search-projects input:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

/* Projects List */
.projects-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.project-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-sm);
}

.project-item:hover {
    border-color: var(--secondary);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.2);
    transform: translateY(-1px);
}

.project-item.active {
    border-color: var(--secondary);
    background: rgba(34, 197, 94, 0.06);
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.12);
}

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

.project-title {
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    margin: 0;
    line-height: var(--leading-normal);
    flex: 1;
    padding-right: var(--spacing-sm);
}

.project-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.ai-indicator {
    font-size: 16px;
}

.confidence {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: var(--border-radius-full);
    font-size: 11px;
    font-weight: var(--font-semibold);
    border: 1px solid var(--border);
}

.project-preview {
    color: var(--text-secondary);
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
    margin: 0 0 var(--spacing-md) 0;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-date {
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

.project-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-project-load,
.btn-project-delete {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 14px;
    transition: background var(--transition-slow);
}

.btn-project-load:hover {
    background: rgba(34, 197, 94, 0.1);
    color: var(--secondary);
}

.btn-project-delete:hover {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.no-projects {
    text-align: center;
    color: var(--text-tertiary);
    font-style: italic;
    padding: var(--spacing-xl) var(--spacing-lg);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.btn-toggle-sidebar {
    background: rgba(34, 197, 94, 0.1);
    border: none;
    color: var(--secondary);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-slow);
    font-weight: bold;
}

.btn-toggle-sidebar:hover {
    background: rgba(34, 197, 94, 0.2);
    transform: scale(1.05);
}

/* ========================================
   SIDEBAR NAVIGATION
   ======================================== */

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-slow);
    border-radius: 0 25px 25px 0;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.nav-item:hover {
    background: rgba(34, 197, 94, 0.1);
    color: var(--secondary);
    transform: translateX(5px);
}

.nav-item.active {
    background: rgba(34, 197, 94, 0.15);
    color: var(--secondary);
    font-weight: var(--font-semibold);
    border-left: 3px solid var(--secondary);
}

.nav-item.active .nav-icon {
    font-size: 20px;
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-icon svg {
    display: block;
}

.nav-label {
    font-size: var(--text-sm);
}

/* ========================================
   SIDEBAR USER SECTION
   ======================================== */

.sidebar-user-section {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: flex;
    justify-items: center;
}

.user-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 8px;
    transition: background var(--transition-slow);
}

.user-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.user-avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: 16px;
    flex-shrink: 0;
}

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

.user-name-row {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-primary);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    margin-bottom: 4px;
}

.user-name-row span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-arrow {
    flex-shrink: 0;
    opacity: 0.7;
    transition: transform var(--transition-slow);
}

.user-header:hover .dropdown-arrow {
    opacity: 1;
}

.user-dropdown-menu.show .dropdown-arrow {
    transform: rotate(180deg);
}

.user-credits {
    width: 60%;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    align-items: center;
    color: var(--secondary-light);
    font-size: 16px;
}

.user-dropdown-menu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-slow);
    margin-top: var(--spacing-xs);
}

.user-dropdown-menu.show {
    max-height: 200px;
    opacity: 1;
}

.user-dropdown-menu .dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all var(--transition-slow);
    font-size: var(--text-sm);
}

.user-dropdown-menu .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(4px);
}

.user-dropdown-menu .dropdown-item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.user-dropdown-menu .dropdown-item:hover svg {
    opacity: 1;
}

/* ========================================
   MAIN CONTENT AREA
   ======================================== */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-slow);
    padding: var(--spacing-xl);
}

.container {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: 0;
}

.container-wide {
    max-width: 910px;
    margin: 0 auto;
    padding: 0;
}

/* Content Card Wrapper */
.content-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-medium);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200%;
    background: rgba(34, 197, 94, 0.03);
    transform: rotate(15deg);
    pointer-events: none;
}

/* ========================================
   MOBILE NAVIGATION
   ======================================== */

.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-overlay);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.mobile-overlay.show {
    opacity: 1;
}

/* ========================================
   RESPONSIVE LAYOUT
   ======================================== */

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex;
    }

    .mobile-overlay.show {
        display: block;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .sidebar {
        transform: translateX(-100%);
    }

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

    .container {
        padding: var(--spacing-md);
    }
}

@media (min-width: 769px) {
    .mobile-nav-toggle {
        display: none;
    }

    .mobile-overlay {
        display: none;
    }
}