/* Reset and base */
body,
html {
    height: 100%;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
}

/* Background container with dark overlay + background image */
.background-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
    position: relative;
    overflow: hidden;

    /* dark overlay + image */
    background:
        linear-gradient(rgba(18, 18, 18, 0.582), rgba(18, 18, 18, 0.85)),
        url('../image/27263.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #e0e0e0;
    z-index: 0;
}

.login-container {
    max-width: 400px;
    width: 100%;
    z-index: 1;
}

.card {
    background-color: #1e1e1e;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.7);
    border: none;
}

.card-body {
    padding: 2rem;
}

/* Logo styling */
.login-logo {
    max-width: 140px;
    display: block;
    margin: 0 auto 1.5rem auto;
}

/* Gradient heading */
.gradient-text {
    font-weight: 700;
    font-size: 1.8rem;
    text-align: center;
    background: linear-gradient(90deg, #0dcaf0, #2dd7f2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
}

/* Form labels */
.form-label {
    font-weight: 600;
    color: #bbb;
}

/* Input fields */
.form-control {
    background-color: #2c2c2c;
    border: 1.5px solid #444;
    border-radius: 8px;
    color: #eee;
    padding: 10px 15px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control::placeholder {
    color: #888;
}

.form-control:focus {
    border-color: #0dcaf0;
    box-shadow: 0 0 8px #0dcaf0;
    outline: none;
    background-color: #1e1e1e;
    color: #fff;
}

/* Primary button with your requested color */
.btn-round {
    border-radius: 25px;
    padding: 12px 0;
    font-weight: 600;
    font-size: 1.1rem;
    background: #0dcaf0;
    border: none;
    color: white;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(13, 202, 240, 0.5);
    width: 100%;
    display: inline-block;
    text-align: center;
}

.btn-round:hover,
.btn-round:focus {
    background-color: #0ab9d9;
    box-shadow: 0 6px 12px rgba(10, 185, 217, 0.7);
    outline: none;
}

/* Responsive */
@media (max-width: 480px) {
    .card-body {
        padding: 1.5rem 1rem;
    }

    .gradient-text {
        font-size: 1.4rem;
    }
}