/* ============================================
   MODERN DESIGN SYSTEM - Sales Control
   ============================================ */

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --info-color: #3b82f6;
    
    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-bg: #1f2937;
    --sidebar-text: #e5e7eb;
    --sidebar-hover: #374151;
    --sidebar-active: #2563eb;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

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

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: var(--transition);
}

.sidebar-brand i {
    font-size: 1.5rem;
    color: var(--primary-light);
}

.sidebar-brand:hover {
    color: var(--primary-light);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--sidebar-text);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    display: none;
}

.sidebar-user {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary-light);
}

.sidebar-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.sidebar-user-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--sidebar-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

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

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

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

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

.nav-item {
    margin: 0.25rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.nav-link:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text);
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--sidebar-active);
    color: white;
    box-shadow: var(--shadow-md);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

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

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

/* ============================================
   TOP NAVBAR
   ============================================ */

.navbar-top {
    background: white;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-top-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-menu-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-600);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    display: none;
}

.btn-menu-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.navbar-top-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    color: var(--gray-700);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-user:hover {
    background: var(--gray-100);
}

.btn-user img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.btn-user i {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: 0.5rem;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dropdown-item:hover {
    background: var(--gray-100);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
}

/* ============================================
   PAGE CONTENT
   ============================================ */

.page-content {
    flex: 1;
    padding: 2rem;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

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

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-title i {
    color: var(--primary-color);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn i {
    font-size: 0.875rem;
}

/* ============================================
   TABLES
   ============================================ */

.table-wrapper {
    overflow-x: auto;
    border-radius: 0.5rem;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
}

.table thead {
    background: var(--gray-50);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: 0.5rem 0 0 0.5rem;
}

.input-group-btn {
    display: flex;
}

.input-group-btn .btn {
    border-radius: 0 0.5rem 0.5rem 0;
    border-left: none;
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-color: #a7f3d0;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-color: #bfdbfe;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-danger {
    background: var(--danger-color);
    color: white;
}

.badge-warning {
    background: var(--warning-color);
    color: white;
}

.badge-info {
    background: var(--info-color);
    color: white;
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.pagination li {
    margin: 0;
}

.pagination a,
.pagination span {
    display: block;
    padding: 0.5rem 0.875rem;
    border-radius: 0.375rem;
    text-decoration: none;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.pagination .active span {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .disabled span {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   FOOTER
   ============================================ */

.page-footer {
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
    margin-top: auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
}

.footer-image {
    max-width: 80px;
    height: auto;
}

.footer-text {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* ============================================
   UTILITIES
   ============================================ */

.text-primary {
    color: var(--primary-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-muted {
    color: var(--gray-500) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-success {
    background-color: var(--success-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

.pull-right {
    float: right;
}

.pull-left {
    float: left;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .btn-menu-toggle {
        display: block;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .page-content {
        padding: 1rem;
    }
    
    .navbar-top {
        padding: 1rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .table-wrapper {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 576px) {
    .sidebar {
        width: 100%;
    }
    
    .page-content {
        padding: 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   LEGACY SUPPORT
   ============================================ */

/* Support for old panel classes */
.panel,
.panel-default {
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.panel-heading {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-body {
    padding: 1.5rem;
}

.panel-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Support for old table classes */
.table-hover tbody tr:hover {
    background: var(--gray-50);
}

.table-responsive,
.table_responsive_style {
    overflow-x: auto;
    border-radius: 0.5rem;
}

/* Support for old form classes */
.form-horizontal .form-group {
    margin-bottom: 1.5rem;
}

.form-horizontal .control-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* Support for old button classes */
.btn-default {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-default:hover {
    background: var(--gray-300);
}

/* Legacy color classes */
.red {
    color: var(--danger-color) !important;
}

.green {
    color: var(--success-color) !important;
}

.blue {
    color: var(--info-color) !important;
}

/* Legacy utility classes */
.no_cursor {
    cursor: default !important;
}

#title_panel {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}