:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: url('https://images.unsplash.com/photo-1503264116251-35a269479413?auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

body::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
}

.login-container {
    max-width: 420px;
    width: 100%;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    0% {
        transform: translateY(-20px);
        opacity: 0;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
    color: white;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem;
    color: white;
    font-size: 2rem;
}

.form-control {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.input-group-icon {
    position: relative;
}

.input-group-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    z-index: 10;
}

.input-group-icon .form-control {
    padding-left: 45px;
}

.btn-login {
    background-color: var(--primary-color);
    border: none;
    padding: 0.75rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    width: 100%;
    color: white;
}

.btn-login:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: #e9ecef;
}

.login-footer a {
    color: #ffffff;
    font-weight: 500;
    text-decoration: underline;
}

.alert-danger {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    background-color: rgba(220, 53, 69, 0.85);
    color: white;
    border: none;
}