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

body {
    font-family: 'Ubuntu', sans-serif;
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 50%, #b8d4b8 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: #28a745;
    font-size: 32px;
    font-weight: 700;
}

.login-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #28a745;
}

.error-message {
    background: #fee2e2;
    color: #dc2626;
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    font-size: 14px;
    text-align: center;
}

.btn-login {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 14px;
    border: none;
    border-radius: 5px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

/* Dashboard Styles */
.dashboard-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #c3e6cb;
}

.dashboard-header h1 {
    color: #28a745;
    font-size: 28px;
}

.btn-logout {
    background: #dc3545;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-logout:hover {
    background: #c82333;
}

.dashboard-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.welcome-message {
    color: #666;
    font-size: 18px;
    margin-bottom: 20px;
}

.mentees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.mentee-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #d4edda;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.mentee-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.15);
    border-color: #28a745;
}

.mentee-card h3 {
    color: #28a745;
    margin-bottom: 10px;
    font-size: 16px;
}

.mentee-card p {
    color: #666;
    font-size: 14px;
}

/* Profile Page Styles */
.profile-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

.profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #c3e6cb;
}

.profile-header h1 {
    color: #28a745;
    font-size: 28px;
}

.back-btn {
    background: #6c757d;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.back-btn:hover {
    background: #5a6268;
}

.profile-name {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.profile-name h2 {
    color: #28a745;
    font-size: 24px;
    margin-bottom: 5px;
}

.profile-name p {
    color: #666;
    font-size: 14px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    background: white;
    padding: 10px;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: #f8f9fa;
    color: #666;
    font-family: 'Ubuntu', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background: #d4edda;
    color: #28a745;
}

.tab-btn.active {
    background: #28a745;
    color: white;
}

.tab-content {
    background: white;
    padding: 30px;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    min-height: 400px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Content formatting */
.content-section {
    margin-bottom: 25px;
}

.content-section h3 {
    color: #28a745;
    font-size: 16px;
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid #d4edda;
}

.content-section p, .content-section li {
    color: #555;
    font-size: 14px;
    line-height: 1.6;
}

.content-section ul {
    list-style: none;
    padding-left: 0;
}

.content-section ul li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.content-section ul li::before {
    content: "•";
    color: #28a745;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.tag {
    display: inline-block;
    background: #d4edda;
    color: #155724;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin: 3px;
}

.experience-item, .education-item {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #28a745;
}

.experience-item h4, .education-item h4 {
    color: #28a745;
    font-size: 15px;
    margin-bottom: 5px;
}

.experience-item .company, .education-item .institution {
    color: #333;
    font-weight: 500;
}

.experience-item .location, .education-item .years {
    color: #666;
    font-size: 13px;
    margin-bottom: 10px;
}

.experience-item ul li {
    padding: 3px 0;
    padding-left: 20px;
    position: relative;
    font-size: 13px;
}

.experience-item ul li::before {
    content: "→";
    color: #28a745;
    position: absolute;
    left: 0;
}