/* Reset و تنظیمات پایه */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #BBDEFB;
    --secondary-color: #FF4081;
    --text-primary: #212121;
    --text-secondary: #757575;
    --background: #F5F5F5;
    --surface: #FFFFFF;
    --error: #F44336;
    --success: #4CAF50;
    --warning: #FF9800;
    --border: #E0E0E0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
}

/* صفحه لاگین */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    animation: slideUp 0.5s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .material-icons {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    color: var(--text-primary);
    font-weight: 600;
}

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

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon .material-icons {
    position: absolute;
    right: 12px;
    color: var(--text-secondary);
}

.input-with-icon input {
    width: 100%;
    padding: 12px 45px 12px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.input-with-icon input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.login-btn:hover {
    background: var(--primary-dark);
}

.message {
    margin-top: 1rem;
    padding: 12px;
    border-radius: var(--radius);
    text-align: center;
    display: none;
}

.message.error {
    background: #FFEBEE;
    color: var(--error);
    border: 1px solid #FFCDD2;
}

.message.success {
    background: #E8F5E8;
    color: var(--success);
    border: 1px solid #C8E6C9;
}

/* صفحه اصلی */
.header {
    background: var(--surface);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo .material-icons {
    font-size: 2rem;
    color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.logout-btn:hover {
    background: #F5F5F5;
    color: var(--error);
}

.main-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
}

.welcome-section h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.welcome-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.action-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-light);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.card-icon .material-icons {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.card p {
    color: var(--text-secondary);
}

/* بخش‌های مدیریت */
.management-section {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-top: 2rem;
    animation: slideUp 0.3s ease;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

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

/* لیست آیتم‌ها */
.items-list {
    display: grid;
    gap: 1.5rem;
}

.item-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    gap: 1.5rem;
    transition: var(--transition);
}

.item-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.item-image {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: var(--radius);
    overflow: hidden;
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.item-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.item-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-edit {
    background: var(--primary-light);
    color: var(--primary-dark);
}

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

.btn-delete {
    background: #FFEBEE;
    color: var(--error);
}

.btn-delete:hover {
    background: var(--error);
    color: white;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

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

/* مودال */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--surface);
    margin: 2% auto;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.close {
    color: var(--text-secondary);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--error);
}

.modal-form {
    padding: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-light);
}

/* آپلود فایل */
.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    background: #FAFAFA;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.upload-area .material-icons {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-secondary);
}

.image-preview {
    margin-top: 1rem;
    display: none;
}

.image-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* دکمه‌ها */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

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

.btn-secondary {
    background: var(--surface);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: #F5F5F5;
    color: var(--text-primary);
}

/* پیام نتایج */
.result-message {
    margin-top: 2rem;
    padding: 1rem;
    border-radius: var(--radius);
    text-align: center;
    display: none;
}

/* اعلان سیستمی */
.system-notification {
    position: fixed;
    top: 20px;
    left: 20px;
    right: 20px;
    max-width: 400px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transform: translateY(-100px);
    opacity: 0;
    transition: var(--transition);
}

.system-notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification-content {
    display: flex;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
}

.notification-icon {
    font-size: 2rem !important;
    flex-shrink: 0;
}

.notification-icon.success {
    color: var(--success);
}

.notification-icon.error {
    color: var(--error);
}

.notification-icon.warning {
    color: var(--warning);
}

.notification-icon.info {
    color: var(--primary-color);
}

.notification-text {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.notification-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: var(--transition);
}

.notification-close:hover {
    background: #F5F5F5;
    color: var(--text-primary);
}

/* انیمیشن‌ها */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ریسپانسیو */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .action-cards {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
    }
    
    .modal-header,
    .modal-form {
        padding: 1rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .item-card {
        flex-direction: column;
        text-align: center;
    }
    
    .item-image {
        width: 100%;
        height: 200px;
    }
    
    .item-meta {
        justify-content: center;
    }
    
    .item-actions {
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}