/**
 * POS Web - Layout CSS
 * Sayfa düzeni, grid sistemi, navbar, sidebar, main content
 */

/* ==========================================
   PAGE WRAPPER
   ========================================== */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-4);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar-left,
.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-center {
    flex: 1;
    max-width: 480px;
    margin: 0 var(--space-6);
}

/* Sidebar Toggle */
.sidebar-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-toggle i {
    font-size: var(--text-lg);
}

/* Navbar Brand */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: var(--text-xl);
    box-shadow: var(--shadow-md);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: 1.2;
}

.brand-subtitle {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.2;
}

/* Navbar Search */
.navbar-search {
    position: relative;
    width: 100%;
}

.navbar-search .search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    pointer-events: none;
}

.navbar-search input {
    width: 100%;
    height: 40px;
    padding: 0 var(--space-3) 0 calc(var(--space-3) + 24px);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.navbar-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    background: var(--bg-primary);
}

.navbar-search .search-shortcut {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
}

/* Navbar Actions */
.navbar-action {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.navbar-action:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.navbar-action i {
    font-size: var(--text-lg);
}

.navbar-action .action-label {
    display: none;
}

/* Badge */
.navbar-action.has-badge .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-danger);
    color: var(--text-inverse);
    font-size: 10px;
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn var(--transition-base);
}

/* Navbar User */
.navbar-user {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: var(--space-2);
}

.navbar-user:hover {
    background: var(--bg-tertiary);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: var(--text-sm);
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.user-role {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.user-chevron {
    font-size: var(--text-xs);
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.navbar-user.active .user-chevron {
    transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.navbar-user.active .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
    font-size: var(--text-sm);
}

.dropdown-item.text-danger {
    color: var(--color-danger);
}

.dropdown-item.text-danger:hover {
    background: var(--color-danger-light);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-1) var(--space-2);
}

/* ==========================================
   SIDEBAR
   ========================================== */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: var(--z-fixed);
    transition: transform var(--transition-base), width var(--transition-base);
    overflow: hidden;
}

/* Sidebar Header */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    min-height: 65px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    font-size: var(--text-base);
}

.sidebar-brand .brand-title {
    font-size: var(--text-base);
}

.sidebar-brand .brand-subtitle {
    font-size: 10px;
}

.sidebar-close {
    display: none;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
}

.sidebar-close:hover {
    background: var(--bg-tertiary);
}

/* Sidebar Nav */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-3);
}

.menu-group {
    margin-bottom: var(--space-4);
}

.menu-group-title {
    display: block;
    padding: 0 var(--space-3);
    margin-bottom: var(--space-2);
    font-size: 11px;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.menu-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.menu-item {
    position: relative;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    position: relative;
}

.menu-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.menu-item.active .menu-link {
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    color: var(--color-primary);
    font-weight: var(--font-semibold);
}

.menu-item.active .menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.menu-icon {
    width: 20px;
    text-align: center;
    font-size: var(--text-sm);
}

.menu-label {
    flex: 1;
}

.menu-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--color-danger);
    color: var(--text-inverse);
    font-size: 11px;
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sidebar Shortcuts */
.sidebar-shortcuts {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-color);
}

.shortcuts-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 11px;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.shortcut-item kbd {
    font-size: 10px;
    padding: 1px 4px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-color);
}

.system-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
}

.system-info .version {
    color: var(--text-muted);
}

.system-info .status {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-success);
    font-weight: var(--font-medium);
}

.system-info .status i {
    font-size: 8px;
}

.system-info .status.offline {
    color: var(--color-danger);
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    margin-top: var(--navbar-height);
    padding: var(--space-6);
    min-height: calc(100vh - var(--navbar-height));
    transition: margin-left var(--transition-base);
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.page-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.page-header-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: var(--text-xl);
    box-shadow: var(--shadow-md);
}

.page-header-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.page-header-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: 2px;
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Content Card */
.content-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast);
}

.content-card:hover {
    box-shadow: var(--shadow-md);
}

.content-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-color);
}

.content-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.content-card-body {
    padding: var(--space-6);
}

.content-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ==========================================
   SIDEBAR COLLAPSED STATE
   ========================================== */
body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed);
}

body.sidebar-collapsed .sidebar .brand-text,
body.sidebar-collapsed .sidebar .menu-label,
body.sidebar-collapsed .sidebar .menu-group-title,
body.sidebar-collapsed .sidebar .menu-badge,
body.sidebar-collapsed .sidebar .sidebar-shortcuts,
body.sidebar-collapsed .sidebar .sidebar-footer {
    opacity: 0;
    visibility: hidden;
    width: 0;
    overflow: hidden;
}

body.sidebar-collapsed .sidebar .menu-link {
    justify-content: center;
    padding: var(--space-3);
}

body.sidebar-collapsed .sidebar .menu-icon {
    width: auto;
    font-size: var(--text-lg);
}

body.sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed);
}

body.sidebar-collapsed .sidebar-header {
    justify-content: center;
    padding: var(--space-3);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .navbar-center {
        max-width: 320px;
        margin: 0 var(--space-3);
    }
    
    .navbar-search .search-shortcut {
        display: none;
    }
    
    .main-content {
        padding: var(--space-4);
    }
}

/* Mobil (max-width: 768px) */
@media (max-width: 768px) {
    .navbar {
        padding: 0 var(--space-3);
    }
    
    .navbar-center {
        display: none;
    }
    
    .navbar-brand .brand-text {
        display: none;
    }
    
    .navbar-user .user-info {
        display: none;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
        top: 0;
        z-index: calc(var(--z-fixed) + 10);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-close {
        display: flex;
    }
    
    .sidebar-header .brand-text {
        display: flex;
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--space-3);
    }
    
    body.sidebar-collapsed .main-content {
        margin-left: 0;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .page-header-actions {
        width: 100%;
    }
    
    .grid-cols-4,
    .grid-cols-5,
    .grid-cols-6 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Küçük Mobil (max-width: 480px) */
@media (max-width: 480px) {
    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    .navbar-action .action-label {
        display: none;
    }
    
    .content-card-header,
    .content-card-body,
    .content-card-footer {
        padding: var(--space-4);
    }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .navbar,
    .sidebar,
    .sidebar-overlay,
    .navbar-action,
    .sidebar-toggle,
    .page-header-actions {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        margin-top: 0 !important;
        padding: 0 !important;
    }
    
    .content-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}