.login-overlay {
    position: absolute;
    inset: 0;
    background: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1;
}
.login-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}
.login-card {
    background: #ffffff;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    padding: 50px 40px;
    border: 1px solid rgba(0,0,0,0.03);
}
.login-header {
    text-align: center;
    margin-bottom: 35px;
}
.login-header img {
    height: 60px;
    margin-bottom: 20px;
    object-fit: contain;
}
.login-title {
    font-size: 26px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.login-subtitle {
    font-size: 14px;
    color: #64748b;
}
.form-group {
    margin-bottom: 22px;
}
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 8px;
}
.form-input-wrap {
    position: relative;
}
.form-input-wrap i.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 16px;
    transition: color 0.3s;
}
.form-input {
    width: 100%;
    height: 48px;
    padding: 0 16px 0 45px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    color: #1e293b;
    font-size: 14px;
    transition: all 0.3s ease;
}
.form-input:focus {
    background: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px #f1f5f9;
    outline: none;
}
.form-input:focus ~ i.input-icon,
.form-input-wrap:focus-within i.input-icon {
    color: var(--primary);
}
.form-extras {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    font-size: 13px;
}
.form-check-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: #64748b;
    font-weight: 500;
}
.form-check-custom input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}
.forgot-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}
.forgot-link:hover {
    color: var(--primary-dark);
}
.login-btn {
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}
.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
.login-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: #64748b;
}
.login-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}
.login-footer a:hover {
    text-decoration: underline;
}

/* Invalid feedback adjustments */
.form-input.is-invalid {
    border-color: #ef4444;
    background: #fef2f2;
}
.text-danger {
    color: #ef4444;
}