/* Clean App Layout - Perfect Alignment */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8fafc;
    color: #333333;
}

/* Main App Container - Flexbox layout */
.app-container {
    height: 100vh;
    width: 100vw;
    display: flex;
}

/* Left Sidebar - Collapsible width */
.app-sidebar {
    width: 80px; /* Thu gọn mặc định */
    flex-shrink: 0;
    position: fixed; /* Fixed position để không ảnh hưởng layout */
    top: 0;
    left: 0;
    height: 100vh; /* Full viewport height */
    z-index: 1000;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 12px;
    padding-bottom: 5px;
}

/* Mở rộng khi hover */
.app-sidebar:hover {
    width: 300px;
}

/* Mở rộng khi pinned */
.app-sidebar.pinned {
    width: 300px !important;
}

/* Right Content Area - Dynamic adjustment */
.app-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #f8fafc;
    margin-left: 80px; /* Margin mặc định để tránh sidebar */
    transition: margin-left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    width: calc(100vw - 80px); /* Width mặc định */
    height: 100vh; /* Full viewport height */
}

/* Header Bar - Chỉ dùng app-header */
.app-header {
    height: 60px;
    border-bottom: 1px solid #e5e7eb;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between; /* Push elements to edges */
    padding: 0 1.5rem;
    flex-shrink: 0;
}

/* Header Components */
/* Left Side - Search sát đầu */
.header-left {
    flex: 0 0 auto; /* Only take needed space */
}

/* Center - No space needed */
.header-center {
    display: none; /* Remove center space completely */
}

/* Right Side - Actions and Avatar sát đít */
.header-right {
    flex: 0 0 auto; /* Only take needed space */
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.main-search {
    position: relative;
    width: 280px; /* Fixed compact width */
    max-width: 280px;
}

.main-search input {
    width: 100%;
    padding: 0.625rem 1rem 0.625rem 2.75rem; /* Smaller padding */
    border: 1px solid #e5e7eb;
    border-radius: 8px; /* Smaller border radius */
    background: #f8fafc;
    font-size: 0.875rem;
    color: #374151;
    transition: all 0.2s ease;
}

.main-search input:focus {
    outline: none;
    border-color: #3b82f6;
    background: #ffffff;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.main-search input::placeholder {
    color: #9ca3af;
}

.main-search i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 0.875rem;
}

.action-btn {
    width: 36px; /* Smaller buttons */
    height: 36px;
    border: none;
    background: transparent;
    border-radius: 6px; /* Smaller border radius */
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    cursor: pointer;
}

.action-btn:hover {
    background: #f3f4f6;
    color: #374151;
}

.action-btn i {
    font-size: 1rem; /* Smaller icons */
}

/* User Profile */
.user-profile {
    margin-left: 0.5rem;
    position: relative;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 2px solid #e5e7eb;
    display: block;
    flex-shrink: 0;
}

.user-avatar:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

/* User Dropdown Menu */
.user-dropdown {
    width: 280px;
    border: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 0;
    margin-top: 8px;
    overflow: hidden;
    /* Override Bootstrap default hidden */
    display: none !important;
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1000;
    background-color: white;
}

/* Show dropdown when active */
.user-dropdown.show {
    display: block !important;
    animation: dropdownSlideIn 0.2s ease-out;
}

.user-dropdown .dropdown-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    border: none;
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar-large {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.user-email {
    font-size: 0.8rem;
    opacity: 0.9;
}

.user-dropdown .dropdown-item {
    padding: 12px 20px;
    font-size: 0.9rem;
    color: #374151;
    transition: all 0.2s ease;
    border: none;
    display: flex;
    align-items: center;
}

.user-dropdown .dropdown-item:hover {
    background-color: #f8fafc;
    color: #1f2937;
    padding-left: 24px;
}

.user-dropdown .dropdown-item.text-danger {
    color: #dc2626;
}

.user-dropdown .dropdown-item.text-danger:hover {
    background-color: #fef2f2;
    color: #b91c1c;
}

.user-dropdown .dropdown-divider {
    margin: 0;
    border-color: #e5e7eb;
}

/* Animation cho dropdown */
.user-dropdown.show {
    animation: dropdownSlideIn 0.2s ease-out;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Main Content */
.app-main-wrapper {
    flex: 1;
    padding: 5px;
    background-color: #f8fafc;
    height: calc(100vh - 60px); /* Full height trừ header */
    display: flex;
    flex-direction: column;
}

.app-main {
    border-radius: 12px;
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    overflow-y: auto;
    flex: 1; /* Chiếm toàn bộ không gian còn lại */
    padding: 2rem;
}

/* Content Wrapper for proper alignment */
.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Card containers for content */
.dashboard-card {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .app-header {
        padding: 0 1.25rem;
    }
    
    .main-search {
        width: 250px;
        max-width: 250px;
    }
    
    .app-main {
        padding: 1.5rem;
    }
}

/* Medium screens */
@media (max-width: 992px) {
    .app-sidebar {
        width: 60px; /* Thu nhỏ sidebar hơn */
    }
    
    .app-content {
        margin-left: 60px;
        width: calc(100vw - 60px);
    }
}

@media (max-width: 768px) {
    .app-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 280px; /* Sidebar rộng hơn khi mở trên mobile */
    }
    
    .app-sidebar.open {
        transform: translateX(0);
    }
    
    .app-content {
        width: 100vw;
        margin-left: 0; /* Bỏ margin left trên mobile */
    }
    
    .app-header {
        padding: 0 1rem;
    }
    
    .main-search {
        width: 200px;
        max-width: 200px;
    }
    
    .main-search input {
        padding: 0.5rem 0.75rem 0.5rem 2.25rem;
        font-size: 0.8125rem;
    }
    
    .main-search i {
        left: 0.75rem;
        font-size: 0.8125rem;
    }
    
    .action-btn {
        width: 32px;
        height: 32px;
    }
    
    .action-btn i {
        font-size: 0.9rem;
    }
    
    .user-avatar {
        width: 28px;
        height: 28px;
        border: 1px solid #e5e7eb; /* Border nhỏ hơn cho mobile */
    }
    
    .header-right {
        gap: 0.5rem; /* Smaller gap on mobile */
    }
    
    .app-main {
        padding: 1rem;
    }
}

/* Small screens */
@media (max-width: 576px) {
    .app-main-wrapper {
        padding: 2px; /* Giảm padding để tiết kiệm không gian */
    }
    
    .app-main {
        padding: 1rem;
        border-radius: 8px; /* Bo tròn nhỏ hơn */
    }
    
    .app-header {
        padding: 0 0.5rem;
        height: 50px; /* Header nhỏ hơn */
    }
}

/* Very small screens (480px and below) */
@media (max-width: 480px) {
    .app-header {
        padding: 0 0.75rem; /* Very small padding */
    }
    
    .main-search {
        width: 160px;
        max-width: 160px;
    }
    
    .header-right {
        gap: 0.25rem; /* Very small gap */
    }
}

/* Scrollbar Styling */
.app-sidebar::-webkit-scrollbar,
.app-main::-webkit-scrollbar {
    width: 6px;
}

.app-sidebar::-webkit-scrollbar-track,
.app-main::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb,
.app-main::-webkit-scrollbar-thumb {
    background: #e5e7eb;
    border-radius: 3px;
}

.app-sidebar::-webkit-scrollbar-thumb:hover,
.app-main::-webkit-scrollbar-thumb:hover {
    background: #d1d5db;
}