/* إعدادات عامة للإضافة */
:root {
    --dmp-primary: #667eea;
    --dmp-primary-dark: #5a67d8;
    --dmp-secondary: #764ba2;
    --dmp-success: #48bb78;
    --dmp-warning: #ed8936;
    --dmp-error: #f56565;
    --dmp-info: #4299e1;
    --dmp-light: #f7fafc;
    --dmp-dark: #2d3748;
    --dmp-gray: #718096;
    --dmp-border: #e2e8f0;
    --dmp-shadow: 0 4px 16px rgba(102,126,234,0.15);
    --dmp-radius: 12px;
    --dmp-transition: all 0.3s ease;
}

/* الحاوي الرئيسي */
.dmp-tax-returns-manager-wrapper {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: var(--dmp-radius);
    padding: 0;
    margin: 2rem auto;
    max-width: 1200px;
    box-shadow: var(--dmp-shadow);
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    direction: rtl;
}

/* Header Section */
.dmp-header {
    background: linear-gradient(135deg, var(--dmp-primary) 0%, var(--dmp-secondary) 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dmp-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: headerGlow 8s ease-in-out infinite;
}

@keyframes headerGlow {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

.dmp-header-content {
    position: relative;
    z-index: 1;
}

.dmp-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.dmp-subtitle {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Navigation Tabs */
.dmp-nav-tabs {
    display: flex;
    background: white;
    border-bottom: 2px solid var(--dmp-border);
    padding: 0 2rem;
}

.dmp-tab-btn {
    background: none;
    border: none;
    padding: 1rem 2rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dmp-gray);
    border-bottom: 3px solid transparent;
    transition: var(--dmp-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dmp-tab-btn:hover {
    color: var(--dmp-primary);
    background: rgba(102,126,234,0.05);
}

.dmp-tab-btn.active {
    color: var(--dmp-primary);
    border-bottom-color: var(--dmp-primary);
    background: rgba(102,126,234,0.1);
}

/* Tab Content */
.dmp-tab-content {
    display: none;
    padding: 2rem;
    background: white;
    min-height: 400px;
}

.dmp-tab-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Titles */
.dmp-section-title {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--dmp-border);
}

.dmp-section-title h3 {
    margin: 0;
    color: var(--dmp-dark);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Form Styles */
.dmp-form-selection {
    background: var(--dmp-light);
    padding: 2rem;
    border-radius: var(--dmp-radius);
    margin-bottom: 2rem;
    border: 1px solid var(--dmp-border);
}

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

.dmp-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dmp-dark);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dmp-select,
.dmp-input,
.dmp-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--dmp-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--dmp-transition);
    background: white;
}

.dmp-select:focus,
.dmp-input:focus,
.dmp-textarea:focus {
    outline: none;
    border-color: var(--dmp-primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.dmp-select-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
}

/* Buttons */
.dmp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--dmp-transition);
    text-decoration: none;
    text-align: center;
}

.dmp-btn-primary {
    background: linear-gradient(135deg, var(--dmp-primary), var(--dmp-primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(102,126,234,0.3);
}

.dmp-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102,126,234,0.4);
}

.dmp-btn-success {
    background: linear-gradient(135deg, var(--dmp-success), #38a169);
    color: white;
}

.dmp-btn-warning {
    background: linear-gradient(135deg, var(--dmp-warning), #dd6b20);
    color: white;
}

.dmp-btn-error {
    background: linear-gradient(135deg, var(--dmp-error), #e53e3e);
    color: white;
}

.dmp-btn-secondary {
    background: var(--dmp-light);
    color: var(--dmp-dark);
    border: 1px solid var(--dmp-border);
}

/* Empty State */
.dmp-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--dmp-gray);
}

.dmp-empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.dmp-empty-state h3 {
    margin: 0 0 1rem 0;
    color: var(--dmp-dark);
}

/* Filters */
.dmp-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--dmp-light);
    border-radius: var(--dmp-radius);
    align-items: end;
    flex-wrap: wrap;
}

.dmp-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.dmp-filter-group label {
    font-weight: 500;
    color: var(--dmp-dark);
    font-size: 0.9rem;
}

/* Loading States */
.dmp-loading {
    text-align: center;
    padding: 3rem;
    color: var(--dmp-gray);
    font-size: 1.1rem;
}

.dmp-loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dmp-primary);
}

.dmp-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dmp-loading-content {
    background: white;
    padding: 2rem;
    border-radius: var(--dmp-radius);
    text-align: center;
    box-shadow: var(--dmp-shadow);
}

.dmp-loading-content i {
    font-size: 3rem;
    color: var(--dmp-primary);
    margin-bottom: 1rem;
}

/* Form Fields */
.tax-form-fields {
    background: white;
    padding: 2rem;
    border-radius: var(--dmp-radius);
    border: 1px solid var(--dmp-border);
    margin-top: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dmp-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--dmp-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--dmp-transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--dmp-primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.tax-form-submit {
    background: linear-gradient(135deg, var(--dmp-success), #38a169);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--dmp-transition);
    width: 100%;
    margin-top: 1rem;
}

.tax-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(72,187,120,0.4);
}

/* Returns List */
.dmp-returns-list {
    display: grid;
    gap: 1rem;
}

.dmp-return-card {
    background: white;
    border: 1px solid var(--dmp-border);
    border-radius: var(--dmp-radius);
    padding: 1.5rem;
    transition: var(--dmp-transition);
    cursor: pointer;
}

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

.dmp-return-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.dmp-return-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dmp-dark);
    margin: 0;
}

.dmp-return-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.dmp-status-not-prepared {
    background: #fed7d7;
    color: #c53030;
}

.dmp-status-prepared-review {
    background: #fef5e7;
    color: #dd6b20;
}

.dmp-status-reviewed-sent {
    background: #e6fffa;
    color: #319795;
}

.dmp-status-sent {
    background: #dcfce7;
    color: #16a34a;
}

.dmp-return-meta {
    display: flex;
    gap: 1rem;
    color: var(--dmp-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.dmp-return-actions {
    display: flex;
    gap: 0.5rem;
}

/* Notifications */
.dmp-notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.dmp-notification {
    background: white;
    border: 1px solid var(--dmp-border);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--dmp-shadow);
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

.dmp-notification.success {
    border-left: 4px solid var(--dmp-success);
}

.dmp-notification.error {
    border-left: 4px solid var(--dmp-error);
}

.dmp-notification.warning {
    border-left: 4px solid var(--dmp-warning);
}

.dmp-notification.info {
    border-left: 4px solid var(--dmp-info);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Login Notice */
.dmp-login-notice {
    background: linear-gradient(135deg, var(--dmp-warning), #dd6b20);
    color: white;
    padding: 2rem;
    border-radius: var(--dmp-radius);
    text-align: center;
    font-size: 1.1rem;
    margin: 2rem auto;
    max-width: 600px;
}

.dmp-login-notice i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

/* Statistics */
.dmp-statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.dmp-stat-card {
    background: white;
    border: 1px solid var(--dmp-border);
    border-radius: var(--dmp-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--dmp-transition);
}

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

.dmp-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dmp-primary);
    margin-bottom: 0.5rem;
}

.dmp-stat-label {
    color: var(--dmp-gray);
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dmp-tax-returns-manager-wrapper {
        margin: 1rem;
        border-radius: 8px;
    }
    
    .dmp-nav-tabs {
        padding: 0 1rem;
        flex-wrap: wrap;
    }
    
    .dmp-tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .dmp-tab-content {
        padding: 1rem;
    }
    
    .dmp-header {
        padding: 1.5rem 1rem;
    }
    
    .dmp-header h2 {
        font-size: 2rem;
    }
    
    .dmp-filters {
        flex-direction: column;
        gap: 1rem;
    }
    
    .dmp-filter-group {
        min-width: auto;
    }
    
    .dmp-return-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .dmp-return-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .dmp-statistics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .dmp-form-selection {
        padding: 1rem;
    }
    
    .tax-form-fields {
        padding: 1rem;
    }
    
    .dmp-btn {
        width: 100%;
        justify-content: center;
    }
    
    .dmp-notification {
        min-width: auto;
        margin: 0 1rem 0.5rem 1rem;
    }
}