/* بازنشانی استایل‌ها */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: #1a202c;
    color: #e2e8f0;
}

/* هدر */
.dashboard-header {
    background: rgba(26, 32, 44, 0.9);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-bottom: 1px solid #2d3748;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

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

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

.logo-img {
    width: 30px;
    margin-right: 10px;
}

.logo h1 {
    color: #a0aec0;
    font-size: 20px;
}

.header-nav .nav-btn {
    color: #a0aec0;
    text-decoration: none;
    margin: 0 10px;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background 0.3s;
}

.header-nav .nav-btn:hover {
    background: #2d3748;
}

.create-resume {
    background: #6b46c1;
    color: #fff;
    padding: 5px 15px;
}

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

.search-bar {
    background: #2d3748;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    color: #e2e8f0;
}

.search-btn {
    background: #4fd1c5;
    border: none;
    padding: 5px 10px;
    border-radius: 50%;
    margin-left: 10px;
    cursor: pointer;
}

.user-settings {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.notification {
    background: #e53e3e;
    color: #fff;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 12px;
    margin-left: 10px;
}

.theme-toggle {
    margin-left: 10px;
    cursor: pointer;
}

.user-icon {
    background: #6b46c1;
    color: #fff;
    border-radius: 50%;
    padding: 5px 10px;
    margin-left: 10px;
}

/* ظرف اصلی */
.dashboard-container {
    display: flex;
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

/* سایدبار */
.sidebar {
    width: 250px;
    background: #2d3748;
    padding: 20px;
    position: fixed;
    height: calc(100vh - 60px);
}

.sidebar-nav .sidebar-item {
    display: block;
    color: #a0aec0;
    text-decoration: none;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 5px;
    transition: background 0.3s;
}

.sidebar-item:hover, .sidebar-item.active {
    background: #4a5568;
    color: #fff;
}

.sidebar-item.active {
    background: #6b46c1;
}

.user-info {
    display: flex;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #4a5568;
}

.user-info .user-icon {
    margin-right: 10px;
}

/* محتوای اصلی */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 20px;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.content-section h2 {
    color: #e2e8f0;
    margin-bottom: 20px;
}

/* کارت اساتید */
.professor-card {
    background: #2d3748;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    gap: 20px;
}

.professor-avatar {
    width: 80px;
    height: 80px;
    background: #4a5568;
    border-radius: 50%;
}

.professor-details h3 {
    color: #e2e8f0;
}

.professor-details p {
    color: #a0aec0;
}

.professor-info h4 {
    color: #e2e8f0;
    margin-top: 10px;
}

.professor-info ul {
    list-style: none;
    margin-top: 5px;
}

.professor-info li {
    color: #a0aec0;
    margin-bottom: 5px;
}

/* کارت برنامه‌ها */
.application-card {
    background: #2d3748;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.application-card span {
    color: #a0aec0;
}

.application-card span:nth-child(4) {
    color: #48bb78;
}

.filter-btn {
    background: #6b46c1;
    color: #fff;
    padding: 5px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* کارت اسناد */
.document-card {
    background: #2d3748;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.document-card h3 {
    color: #e2e8f0;
}

.document-card p {
    color: #a0aec0;
}

.document-card button {
    background: #4a5568;
    color: #fff;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    margin-left: 5px;
    cursor: pointer;
}

.create-btn {
    background: #6b46c1;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* پاسخگویی */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    .main-content {
        margin-left: 0;
    }
    .header-nav .nav-btn {
        margin: 0 5px;
        padding: 3px 8px;
    }
}