:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --background-color: #f8fafc;
}

body {
    background: var(--background-color);
    background-image: 
        radial-gradient(at 40% 20%, rgba(37,99,235,0.1) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(96,165,250,0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(37,99,235,0.1) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.page-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    transition: transform 0.3s ease;
}

.login-container:hover {
    transform: translateY(-5px);
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.75rem;
    position: relative;
    padding-bottom: 1rem;
}

.login-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.form-control {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(226,232,240,0.8);
    background: rgba(255,255,255,0.9);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37,99,235,0.15);
    background: white;
}

.password-field {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.alert {
    border-radius: 0.5rem;
    border: none;
    background: rgba(239,68,68,0.1);
    color: #ef4444;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.form-label {
    color: #475569;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.input-group {
    position: relative;
}

.copyright {
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(226,232,240,0.8);
}

.copyright a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.copyright a:hover {
    color: var(--secondary-color);
}