body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 30px;
}
.header {
    text-align: center;
    margin-bottom: 40px;
}
.header h1 {
    font-weight: 700;
    color: #343a40;
}
.header p {
    color: #6c757d;
    font-size: 1.1rem;
}
.table-container {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}
table.table thead {
    background-color: #343a40;
    color: #fff;
}
table.table tbody tr:hover {
    background-color: #f1f3f5;
}
.btn-custom {
    border-radius: 50px;
    font-weight: 500;
}
.navbar-custom {
    background-color: #343a40;
}
.navbar-custom .navbar-brand,
.navbar-custom .nav-link {
    color: #fff;
}
.navbar-custom .nav-link:hover {
    color: #ffc107;
}

/* Canvas for particles */
#bgCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Login box */
.login-box {
    position: relative;
    z-index: 10;
    background: #ffffff85;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    width: 100%;
    max-width: 400px;
    margin: auto;
    top: 50%;
    transform: translateY(-50%);
}
.login-box h2 {
    text-align: center;
    margin-bottom: 25px;
    font-weight: 700;
    color: #343a40;
}
.login-box .btn-login {
    border-radius: 50px;
    font-weight: 500;
}
.text-error {
    color: #dc3545;
    margin-top: 10px;
    text-align: center;
}


body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 30px;
}
.header {
    text-align: center;
    margin-bottom: 40px;
}
.header h1 {
    font-weight: 700;
    color: #343a40;
}
.header p {
    color: #6c757d;
    font-size: 1.1rem;
}
.table-container {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}
table.table thead {
    background-color: #343a40;
    color: #fff;
}
table.table tbody tr:hover {
    background-color: #f1f3f5;
}
.btn-custom {
    border-radius: 50px;
    font-weight: 500;
}
.navbar-custom {
    background-color: #1e7eddb8;
}
.navbar-custom .navbar-brand,
.navbar-custom .nav-link {
    color: #fff;
}
.navbar-custom .nav-link:hover {
    color: #ffc107;
}