:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --bg-main: #f1f5f9;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    
    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    
    --sidebar-width: 260px;
    --header-height: 70px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    overflow-x: hidden;
}

/* Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 1.5rem;
}

.nav-links {
    list-style: none;
    padding: 24px 16px;
    flex: 1;
}

.nav-links li {
    margin-bottom: 8px;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

.nav-links a:hover {
    background-color: var(--bg-main);
    color: var(--primary);
    transform: translateX(4px);
}

.nav-links li.active a {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-links li.active a:hover {
    transform: none;
}

.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px 16px;
    border-top: 1px solid var(--border-color);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.sidebar-footer a:hover {
    background-color: var(--bg-main);
    color: var(--primary);
    transform: translateX(4px);
}

.sidebar-footer a.logout-btn:hover {
    background-color: var(--danger-bg);
    color: var(--danger);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* Header */
.top-header {
    height: var(--header-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-main);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    width: 350px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-bar i {
    color: var(--text-muted);
    margin-right: 10px;
}

.search-bar input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: 0.9rem;
    color: var(--text-main);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    height: 16px;
    width: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--bg-card);
}

/* Outline Buttons */
.outline-btn {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
}

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

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

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

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Dashboard Body */
.dashboard-body {
    padding: 32px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

.primary-btn {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.primary-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(99, 102, 241, 0.4);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.revenue { background-color: var(--success-bg); color: var(--success); }
.stat-icon.orders { background-color: var(--info-bg); color: var(--info); }
.stat-icon.customers { background-color: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.stat-icon.stock { background-color: var(--danger-bg); color: var(--danger); }

.stat-details {
    flex: 1;
}

.stat-details p {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-details h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.trend {
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.trend.positive { background-color: var(--success-bg); color: var(--success); }
.trend.negative { background-color: var(--danger-bg); color: var(--danger); }
.trend.neutral { background-color: var(--warning-bg); color: var(--warning); }

.alert-card {
    border-color: rgba(239, 68, 68, 0.3);
    background: linear-gradient(to right, #ffffff, var(--danger-bg));
}

/* Data Section */
.data-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.data-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.view-all {
    font-size: 0.85rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.view-all:hover {
    text-decoration: underline;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    background-color: #f8fafc;
}

.data-table td {
    font-size: 0.9rem;
    font-weight: 500;
}

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

.data-table tbody tr:hover {
    background-color: #f8fafc;
}

/* Status Labels */
.status, .stock-status {
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.status.completed { background-color: var(--success-bg); color: var(--success); }
.status.pending { background-color: var(--warning-bg); color: var(--warning); }
.status.cancelled { background-color: var(--danger-bg); color: var(--danger); }

.stock-status.ok { background-color: var(--success-bg); color: var(--success); }
.stock-status.low { background-color: var(--warning-bg); color: var(--warning); }
.stock-status.critical { background-color: var(--danger-bg); color: var(--danger); }

/* Action Button */
.action-btn {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover:not(.disabled) {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.action-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Status Colors for Users */
.status.admin { background-color: #f3e8ff; color: #9333ea; }
.status.manager { background-color: #e0f2fe; color: #0284c7; }
.status.staff { background-color: #fef9c3; color: #ca8a04; }
.status.customer { background-color: var(--success-bg); color: var(--success); }
.status.supplier { background-color: #ffedd5; color: #ea580c; }

/* Font mono */
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; letter-spacing: 0.05em; }
.text-sm { font-size: 0.85rem; }
.text-muted { color: var(--text-muted); font-size: 0.8rem; }
.text-right { text-align: right !important; }

/* People Detail Table Cells */
.person-detail, .contact-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.person-detail strong { font-weight: 600; color: var(--text-main); }
.location { font-size: 0.8rem; color: var(--text-muted); }

/* Action Buttons in Table */
.action-buttons {
    display: flex;
    gap: 8px;
}
.icon-action {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--bg-main);
    color: var(--text-muted);
}
.icon-action:hover {
    background-color: var(--primary);
    color: white;
}
.icon-action.delete:hover {
    background-color: var(--danger);
    color: white;
}

/* Header Actions Group (Toggle Buttons) */
.header-actions-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.view-toggle {
    display: flex;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.view-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.view-btn:hover {
    color: var(--primary);
    background-color: var(--bg-main);
}

.view-btn.active {
    background-color: var(--bg-main);
    color: var(--primary);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

/* Filter Bar & Floating Labels */
.filter-bar {
    display: flex;
    gap: 16px;
    align-items: center;
    background-color: var(--bg-card);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    width: 100%;
}

.floating-group {
    position: relative;
    flex: 1; /* evenly distribute space */
}

.floating-input {
    width: 100%;
    padding: 18px 16px 6px;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-main);
    color: var(--text-main);
    outline: none;
    transition: var(--transition);
}

.floating-input:focus {
    border-color: var(--primary);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.floating-label {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: var(--transition);
    pointer-events: none;
}

/* Float the label when focused or has value */
.floating-input:focus ~ .floating-label,
.floating-input:not(:placeholder-shown) ~ .floating-label,
select.floating-input:valid ~ .floating-label {
    top: 10px;
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 600;
}

.floating-input::-webkit-calendar-picker-indicator {
    opacity: 0.6;
    cursor: pointer;
    transition: 0.2s;
}
.floating-input::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.search-submit-btn,
.pdf-export-btn {
    flex: 0 0 auto;
    height: 46px;
    width: 46px;
    padding: 0;
    justify-content: center;
    font-size: 1.1rem;
}

/* Card View Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    background-color: var(--bg-main);
}

.person-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
}

.person-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ref-badge {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: var(--bg-main);
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.person-card-body {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar-placeholder {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.person-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-color);
}

.contact-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info i {
    width: 16px;
    color: var(--text-main);
}

.card-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
    padding-top: 16px;
}

.card-actions .action-btn {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.card-actions .delete-btn {
    flex: 0 0 auto;
    width: 40px;
}

.card-actions .delete-btn:hover {
    background-color: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pagination {
    display: flex;
    list-style: none;
    gap: 8px;
}

.page-btn {
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    color: var(--text-main);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover:not(.disabled) {
    background-color: var(--bg-card);
    border-color: var(--primary);
    color: var(--primary);
}

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

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-card);
}

/* Modal System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: var(--bg-card);
    width: 100%;
    max-width: 700px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.95);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-modal-btn {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.close-modal-btn:hover {
    color: var(--danger);
    transform: scale(1.1);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form Layout System */
.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    width: 100%;
}
.form-row:last-child {
    margin-bottom: 0;
}
.col-12 { flex: 1; }
.col-4 { flex: 1; }

textarea.floating-input {
    min-height: 100px;
    padding-top: 24px;
}
textarea.floating-input:focus ~ .floating-label,
textarea.floating-input:not(:placeholder-shown) ~ .floating-label,
textarea.floating-input:valid ~ .floating-label {
    top: 16px;
}

.floating-input[readonly], .floating-input[disabled] {
    background-color: var(--bg-main);
    cursor: default;
    color: var(--text-main);
    opacity: 1; /* For iOS Safari */
}
.floating-input[readonly]:focus, .floating-input[disabled]:focus {
    box-shadow: none;
    border-color: var(--border-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .data-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .search-bar {
        width: 200px;
    }
}

/* Sidebar Collapsed State */
body.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}
body.sidebar-collapsed .main-content {
    margin-left: 0;
}