body {
    background: linear-gradient(145deg, #0a1628 0%, #0d2540 50%, #0a1e35 100%) !important;
    min-height: 100vh;
}
body > header,
body > .sidebar {
    display: none !important;
}
body > main.container {
    max-width: 100% !important;
    min-height: 100vh;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.crane-bg {
    position: fixed;
    top: 50%;
    right: -8%;
    transform: translateY(-55%);
    width: 72%;
    max-width: 900px;
    opacity: 0.08;
    pointer-events: none;
    user-select: none;
}
.login-card {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.97);
    border-radius: 18px;
    padding: 2.8rem 3rem;
    width: 100%;
    max-width: 420px;
    margin: 2rem;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 184, 238, 0.2);
}
.login-brand {
    text-align: center;
    margin-bottom: 1.8rem;
}
.login-logo-icon {
    width: 80px;
    height: auto;
    margin-bottom: 0.6rem;
}
.login-brand h1 {
    font-size: 2.1rem;
    font-weight: 700;
    color: #0a1628;
    letter-spacing: 0.06em;
    margin-bottom: 0;
}
.login-divider {
    width: 40px;
    height: 3px;
    background: #00B8EE;
    border-radius: 2px;
    margin: 0.7rem auto 0.9rem;
}
.login-subtitle {
    color: #6c757d;
    font-size: 0.83rem;
    margin-bottom: 0;
}
.login-card .form-control {
    border-color: #dee2e6;
    border-radius: 8px;
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
}
.login-card .form-control:focus {
    border-color: #00B8EE;
    box-shadow: 0 0 0 0.2rem rgba(0, 184, 238, 0.2);
}
.btn-login {
    background: #00B8EE;
    border: none;
    border-radius: 8px;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    color: white;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    margin-top: 0.3rem;
    cursor: pointer;
}
.btn-login:hover {
    background: #009fd4;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 184, 238, 0.4);
    color: white;
}
.btn-login:active {
    transform: translateY(0);
}
.password-forgot {
    display: block;
    text-align: right;
    font-size: 0.82rem;
    color: #6c757d;
    margin-top: -0.4rem;
    margin-bottom: 1.2rem;
    text-decoration: none;
}
.password-forgot:hover {
    color: #00B8EE;
    text-decoration: none;
}
.login-copyright {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.28);
    font-size: 0.73rem;
    white-space: nowrap;
    z-index: 1;
}