body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.75), rgba(30, 58, 138, 0.75)),
        url('../images/bg.jpg') center/cover no-repeat fixed;
    min-height: 100vh;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
}

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

.input-group-modern .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
    font-size: 1.15rem;
    z-index: 5;
}

.form-control-modern {
    height: 48px;
    padding-left: 42px;
    border-radius: 10px !important;
    border: 1px solid #e2e8f0;
    background-color: #f8fafc;
    font-size: 0.92rem;
    transition: all 0.2s ease;
}

.form-control-modern:focus {
    background-color: #fff;
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    z-index: 5;
    padding: 0;
    font-size: 1.15rem;
}

.btn-auth {
    height: 46px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    background: #0284c7;
    border: none;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
    transition: all 0.2s ease;
}

.btn-auth:hover {
    background: #0369a1;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(2, 132, 199, 0.4);
}