/* Background */
body {
    margin: 0;
    padding: 0;
    background: #000000;
    color: #fff;
    font-family: 'Roboto', sans-serif;
}

/* Login container full height */
.login-container {
    min-height: 100vh;
    padding: 20px;
}

/* Login card */
.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(0,0,0,0.45); /* transparent black glass */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

/* Card header with gradient */
.login-card .card-header {
    background: linear-gradient(135deg, #575d62, #0056b3);
    color: #fff;
    text-align: center;
    padding: 1.5rem;
}

.login-card .card-header h4 {
    margin: 0;
    font-weight: 600;
}

/* Card body */
.login-card .card-body {
    padding: 2rem;
}

/* Form elements */
.form-label {
    font-weight: 500;
    color: #333;
}

.form-control {
    border-radius: 8px;
    padding: 12px;
    border: 1px solid #ddd;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: #097efb;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.2);
}

/* Buttons */
.btn-primary, .btn-danger {
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

/* Remove hover animation, keep only color change */
.btn-primary:hover {
    background-color: #1a5799;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Alerts */
.alert {
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .login-card .card-body {
        padding: 1.5rem;
    }
}

/* Sakura canvas background */
#sakura-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Ensure the login card sits above the canvas */
.login-card {
    position: relative;
    z-index: 3;
}

/* Dim overlay under the card to increase contrast */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 1;
    pointer-events: none;
}

/* Keep form text readable on dark glass */
.login-card .card-header,
.login-card .card-body,
.form-label,
.btn-primary,
.btn-danger {
    color: #fff !important;
}

.form-control {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.08);
}

.form-control::placeholder {
    color: rgba(255,255,255,0.6);
}

.btn-primary {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
}

.btn-danger {
    background: rgba(220,53,69,0.12);
    border: 1px solid rgba(220,53,69,0.2);
    color: #fff;
}