/**
 * MUHUGA Traceability System - Main Styles
 * Color scheme: Green (#2e7d32 primary)
 */

:root {
    /* Primary Colors */
    --muhuga-primary: #2e7d32;
    --muhuga-primary-light: #4caf50;
    --muhuga-primary-dark: #1b5e20;
    --muhuga-primary-bg: #e8f5e9;
    
    /* Secondary Colors */
    --muhuga-secondary: #00838f;
    --muhuga-accent: #ff9800;
    
    /* Status Colors */
    --muhuga-success: #4caf50;
    --muhuga-warning: #ff9800;
    --muhuga-error: #f44336;
    --muhuga-info: #2196f3;
    
    /* Neutral Colors */
    --muhuga-text: #333333;
    --muhuga-text-light: #666666;
    --muhuga-text-muted: #999999;
    --muhuga-border: #e0e0e0;
    --muhuga-bg: #f5f5f5;
    --muhuga-bg-white: #ffffff;
    
    /* Shadows */
    --muhuga-shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --muhuga-shadow: 0 4px 12px rgba(0,0,0,0.1);
    --muhuga-shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    /* Transitions */
    --muhuga-transition: all 0.3s ease;
    
    /* Spacing */
    --muhuga-spacing-xs: 4px;
    --muhuga-spacing-sm: 8px;
    --muhuga-spacing-md: 16px;
    --muhuga-spacing-lg: 24px;
    --muhuga-spacing-xl: 32px;
    
    /* Border Radius */
    --muhuga-radius-sm: 4px;
    --muhuga-radius: 8px;
    --muhuga-radius-lg: 12px;
    --muhuga-radius-xl: 16px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--muhuga-text);
    background: var(--muhuga-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--muhuga-primary);
    text-decoration: none;
    transition: var(--muhuga-transition);
}

a:hover {
    color: var(--muhuga-primary-dark);
}

/* ===== AUTH PAGES ===== */
.muhuga-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 50%, #4caf50 100%);
    padding: 20px;
}

.muhuga-auth-container {
    display: flex;
    gap: 40px;
    max-width: 1000px;
    width: 100%;
}

.muhuga-auth-card {
    background: var(--muhuga-bg-white);
    border-radius: var(--muhuga-radius-xl);
    padding: 40px;
    box-shadow: var(--muhuga-shadow-lg);
    width: 100%;
    max-width: 440px;
}

.muhuga-register-card {
    max-width: 560px;
}

.muhuga-auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.muhuga-auth-logo {
    max-width: 160px;
    height: auto;
    margin-bottom: 20px;
}

.muhuga-auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--muhuga-primary-dark);
    margin-bottom: 8px;
}

.muhuga-auth-header p {
    color: var(--muhuga-text-light);
    font-size: 0.9rem;
}

.muhuga-auth-features {
    color: white;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.muhuga-auth-features h2 {
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.muhuga-auth-features ul {
    list-style: none;
}

.muhuga-auth-features li {
    padding: 12px 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.muhuga-auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--muhuga-border);
}

.muhuga-auth-footer p {
    color: var(--muhuga-text-light);
}

/* ===== FORMS ===== */
.muhuga-form,
.muhuga-auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.muhuga-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.muhuga-form-group label {
    font-weight: 500;
    color: var(--muhuga-text);
    font-size: 0.9rem;
}

.muhuga-form-group small {
    color: var(--muhuga-text-muted);
    font-size: 0.8rem;
}

.muhuga-form-row {
    display: flex;
    gap: 16px;
    align-items: center;
}

.muhuga-form-row-2 > * {
    flex: 1;
}

.muhuga-form-row-3 > * {
    flex: 1;
}

.muhuga-input,
.muhuga-select,
.muhuga-auth-form input[type="text"],
.muhuga-auth-form input[type="email"],
.muhuga-auth-form input[type="password"],
.muhuga-auth-form input[type="tel"],
.muhuga-auth-form select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--muhuga-border);
    border-radius: var(--muhuga-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--muhuga-transition);
    background: var(--muhuga-bg-white);
}

.muhuga-input:focus,
.muhuga-select:focus,
.muhuga-auth-form input:focus,
.muhuga-auth-form select:focus {
    outline: none;
    border-color: var(--muhuga-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

.muhuga-password-field {
    position: relative;
}

.muhuga-password-field input {
    padding-right: 50px;
}

.muhuga-toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.6;
}

.muhuga-toggle-password:hover {
    opacity: 1;
}

.muhuga-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
}

.muhuga-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--muhuga-primary);
}

.muhuga-forgot-link {
    font-size: 0.9rem;
    margin-left: auto;
}

.muhuga-form-message {
    padding: 12px 16px;
    border-radius: var(--muhuga-radius);
    font-size: 0.9rem;
    display: none;
}

.muhuga-form-message.success {
    display: block;
    background: #e8f5e9;
    color: #1b5e20;
    border: 1px solid #a5d6a7;
}

.muhuga-form-message.error {
    display: block;
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

/* ===== BUTTONS ===== */
.muhuga-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--muhuga-radius);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--muhuga-transition);
    text-decoration: none;
}

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

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

.muhuga-btn-outline {
    background: transparent;
    border: 2px solid var(--muhuga-primary);
    color: var(--muhuga-primary);
}

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

.muhuga-btn-full {
    width: 100%;
}

.muhuga-btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.muhuga-btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.muhuga-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.muhuga-btn-loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: muhuga-spin 0.8s linear infinite;
}

.muhuga-btn.loading .muhuga-btn-text {
    display: none;
}

.muhuga-btn.loading .muhuga-btn-loader {
    display: block;
}

@keyframes muhuga-spin {
    to { transform: rotate(360deg); }
}

/* ===== DASHBOARD LAYOUT ===== */
.muhuga-dashboard-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.muhuga-dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--muhuga-bg-white);
    border-bottom: 1px solid var(--muhuga-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.muhuga-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.muhuga-logo {
    height: 40px;
    width: auto;
}

.muhuga-header-title h1 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--muhuga-text);
}

.muhuga-role-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    margin-top: 2px;
}

.muhuga-header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.muhuga-notifications-trigger {
    position: relative;
    cursor: pointer;
    padding: 8px;
}

.muhuga-notification-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--muhuga-error);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

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

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

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

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

.muhuga-logout {
    font-size: 0.8rem;
    color: var(--muhuga-text-muted);
}

/* Dashboard Body */
.muhuga-dashboard-body {
    display: flex;
    flex: 1;
}

/* Sidebar */
.muhuga-sidebar {
    width: 260px;
    background: var(--muhuga-bg-white);
    border-right: 1px solid var(--muhuga-border);
    padding: 20px 0;
    position: sticky;
    top: 65px;
    height: calc(100vh - 65px);
    overflow-y: auto;
}

.muhuga-nav {
    display: flex;
    flex-direction: column;
}

.muhuga-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--muhuga-text);
    font-weight: 500;
    transition: var(--muhuga-transition);
    border-left: 3px solid transparent;
}

.muhuga-nav-item:hover {
    background: var(--muhuga-primary-bg);
    color: var(--muhuga-primary);
}

.muhuga-nav-item.active {
    background: var(--muhuga-primary-bg);
    color: var(--muhuga-primary);
    border-left-color: var(--role-color, var(--muhuga-primary));
}

.muhuga-nav-icon {
    font-size: 1.2rem;
}

/* Main Content */
.muhuga-main-content {
    flex: 1;
    padding: 24px;
    overflow-x: hidden;
}

.muhuga-content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.muhuga-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muhuga-text-muted);
    font-size: 0.9rem;
}

.muhuga-breadcrumb-separator {
    color: var(--muhuga-border);
}

.muhuga-breadcrumb span:last-child {
    color: var(--muhuga-text);
    font-weight: 500;
}

/* Sections */
.muhuga-section {
    display: none;
}

.muhuga-section.active {
    display: block;
    animation: muhuga-fadeIn 0.3s ease;
}

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

.muhuga-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.muhuga-section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--muhuga-text);
}

/* Stats Grid */
.muhuga-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.muhuga-stat-card {
    background: var(--muhuga-bg-white);
    border-radius: var(--muhuga-radius-lg);
    padding: 20px;
    box-shadow: var(--muhuga-shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border-left: 4px solid var(--card-color, var(--muhuga-primary));
    transition: var(--muhuga-transition);
}

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

.muhuga-stat-icon {
    font-size: 2rem;
}

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

.muhuga-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--muhuga-text);
}

.muhuga-stat-trend {
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 4px;
}

.muhuga-stat-trend.positive {
    color: var(--muhuga-success);
}

.muhuga-stat-trend.negative {
    color: var(--muhuga-error);
}

/* Charts */
.muhuga-charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.muhuga-chart-card {
    background: var(--muhuga-bg-white);
    border-radius: var(--muhuga-radius-lg);
    padding: 20px;
    box-shadow: var(--muhuga-shadow-sm);
}

.muhuga-chart-container {
    width: 100%;
}

.muhuga-chart-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--muhuga-text);
}

.muhuga-chart-wrapper {
    position: relative;
}

/* Cards */
.muhuga-card {
    background: var(--muhuga-bg-white);
    border-radius: var(--muhuga-radius-lg);
    padding: 24px;
    box-shadow: var(--muhuga-shadow-sm);
    margin-bottom: 24px;
}

.muhuga-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--muhuga-text);
}

.muhuga-dashboard-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Tables */
.muhuga-table-container {
    overflow-x: auto;
}

.muhuga-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.muhuga-data-table th,
.muhuga-data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--muhuga-border);
}

.muhuga-data-table th {
    background: var(--muhuga-bg);
    font-weight: 600;
    color: var(--muhuga-text-light);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.muhuga-data-table tbody tr:hover {
    background: var(--muhuga-primary-bg);
}

.muhuga-actions {
    display: flex;
    gap: 8px;
}

.muhuga-action-btn {
    padding: 6px 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--muhuga-radius-sm);
    transition: var(--muhuga-transition);
}

.muhuga-action-btn:hover {
    background: var(--muhuga-bg);
}

.muhuga-empty-row td {
    text-align: center;
    color: var(--muhuga-text-muted);
    padding: 40px 16px;
}

/* Modals */
.muhuga-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.muhuga-modal.active {
    display: flex;
}

.muhuga-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
}

.muhuga-modal-container {
    position: relative;
    background: var(--muhuga-bg-white);
    border-radius: var(--muhuga-radius-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--muhuga-shadow-lg);
}

.muhuga-modal-lg {
    max-width: 700px;
}

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

.muhuga-modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.muhuga-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--muhuga-text-muted);
    line-height: 1;
}

.muhuga-modal-body {
    padding: 24px;
}

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

/* Notifications Panel */
.muhuga-notifications-panel {
    position: fixed;
    top: 65px;
    right: -400px;
    width: 380px;
    height: calc(100vh - 65px);
    background: var(--muhuga-bg-white);
    box-shadow: var(--muhuga-shadow-lg);
    z-index: 200;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.muhuga-notifications-panel.active {
    right: 0;
}

.muhuga-notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--muhuga-border);
}

.muhuga-notifications-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.muhuga-mark-all-read {
    background: none;
    border: none;
    color: var(--muhuga-primary);
    cursor: pointer;
    font-size: 0.85rem;
}

.muhuga-notifications-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.muhuga-notification-item {
    padding: 12px 16px;
    border-radius: var(--muhuga-radius);
    margin-bottom: 8px;
    background: var(--muhuga-bg);
    cursor: pointer;
    transition: var(--muhuga-transition);
}

.muhuga-notification-item:hover {
    background: var(--muhuga-primary-bg);
}

.muhuga-notification-item.unread {
    border-left: 3px solid var(--muhuga-primary);
}

.muhuga-notification-title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.muhuga-notification-message {
    font-size: 0.85rem;
    color: var(--muhuga-text-light);
    margin-bottom: 4px;
}

.muhuga-notification-time {
    font-size: 0.75rem;
    color: var(--muhuga-text-muted);
}

/* Loading */
.muhuga-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 10;
}

.muhuga-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--muhuga-border);
    border-top-color: var(--muhuga-primary);
    border-radius: 50%;
    animation: muhuga-spin 0.8s linear infinite;
}

/* Alerts */
.muhuga-alert {
    padding: 16px 20px;
    border-radius: var(--muhuga-radius);
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.muhuga-alert-success {
    background: #e8f5e9;
    color: #1b5e20;
    border: 1px solid #a5d6a7;
}

.muhuga-alert-warning {
    background: #fff3e0;
    color: #e65100;
    border: 1px solid #ffcc80;
}

.muhuga-alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

.muhuga-alert-info {
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

/* QR Display */
.muhuga-qr-display {
    text-align: center;
    padding: 24px;
}

.muhuga-qr-image {
    max-width: 200px;
    margin-bottom: 12px;
}

.muhuga-qr-code {
    font-family: monospace;
    font-size: 1rem;
    color: var(--muhuga-text);
    margin-bottom: 16px;
}

.muhuga-qr-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Print Label */
.muhuga-print-label {
    width: 4in;
    padding: 16px;
    border: 1px solid var(--muhuga-border);
    background: white;
    font-size: 10pt;
}

.muhuga-label-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--muhuga-border);
    margin-bottom: 12px;
}

.muhuga-label-logo {
    height: 30px;
}

.muhuga-label-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.muhuga-label-product h3 {
    font-size: 14pt;
    margin-bottom: 4px;
}

.muhuga-label-qr img {
    width: 80px;
}

.muhuga-label-footer {
    display: flex;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--muhuga-border);
    font-size: 9pt;
}

.muhuga-label-trace {
    text-align: center;
    margin-top: 8px;
    font-size: 8pt;
    color: var(--muhuga-text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .muhuga-sidebar {
        width: 220px;
    }
    
    .muhuga-charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .muhuga-auth-container {
        flex-direction: column;
    }
    
    .muhuga-auth-features {
        display: none;
    }
    
    .muhuga-sidebar {
        position: fixed;
        left: -260px;
        top: 65px;
        z-index: 150;
        width: 260px;
        transition: left 0.3s ease;
    }
    
    .muhuga-sidebar.active {
        left: 0;
    }
    
    .muhuga-form-row {
        flex-direction: column;
    }
    
    .muhuga-form-row-2 > *,
    .muhuga-form-row-3 > * {
        flex: auto;
        width: 100%;
    }
    
    .muhuga-dashboard-row {
        grid-template-columns: 1fr;
    }
    
    .muhuga-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .muhuga-auth-card {
        padding: 24px;
    }
    
    .muhuga-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .muhuga-header-title h1 {
        display: none;
    }
}