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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Login Styles */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #333;
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    height: 80px;
    resize: vertical;
}

/* Button Styles */
.btn-primary, .btn-secondary, .btn-logout {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: all 0.3s;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a67d8;
}

.btn-secondary {
    background: #718096;
    color: white;
}

.btn-logout {
    background: #e53e3e;
    color: white;
}

/* Dashboard Styles */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    background: white;
    padding: 1rem 2rem;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.photo-group {
    grid-column: 1 / -1;
}

.form-actions {
    margin-top: 2rem;
    text-align: center;
}

/* Certificate Preview Styles */
.certificate-preview {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.certificate-template {
    border: 2px solid #ddd;
    padding: 2rem;
    margin: 2rem 0;
    position: relative;
    background: url('../images/certificate-template.jpg') no-repeat center;
    background-size: cover;
    min-height: 500px;
}

.student-photo img {
    width: 150px;
    height: 200px;
    object-fit: cover;
    border: 3px solid #gold;
}

/* Cropper Styles */
#cropperContainer {
    max-width: 500px;
    margin: 1rem 0;
}

.error {
    color: #e53e3e;
    text-align: center;
    margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-container {
        padding: 1rem;
    }
}